Chapter 30 Hematologic Problems Copyright © 2020 by Elsevier, Inc. All rights reserved. Anemia (1 of 4) A deficiency in Number of erythrocytes (RBCs) Quantity or quality of hemoglobin (Hgb) Volume of packed RBCs (hematocrit) Copyright © 2020 by Elsevier, Inc. All rights reserved. 2 Causes of Anemia Copyright © 2020 by Elsevier, Inc. All rights reserved. 3 Anemia (2 of 4) RBC function Transport oxygen (O2) from lungs to systemic tissues Carry carbon dioxide from tissues to lungs Copyright © 2020 by Elsevier, Inc. All rights reserved. 4 Anemia (3 of 4) Not a specific disease Manifestation of a pathologic process Diagnosed based on Complete blood count (CBC) Reticulocyte count Peripheral blood smear Copyright © 2020 by Elsevier, Inc. All rights reserved. 5 Anemia (4 of 4) Classified according to Morphology • Cellular characteristic • RBC size and color Etiology • Cause • Clinical condition causing anemia Copyright © 2020 by Elsevier, Inc. All rights reserved. 6 Anemia Clinical Manifestations Caused by body’s response to tissue hypoxia Manifestations vary based on how fast anemia has evolved, its severity, and any coexisting disease Hgb levels are often used to determine severity of anemia Copyright © 2020 by Elsevier, Inc. All rights reserved. 77 Anemia Integumentary Manifestations Pallor Jaundice Decreased Hgb Decreased blood flow to the skin Increased concentration of serum bilirubin Pruritus Increased serum and skin bile salt concentrations Copyright © 2020 by Elsevier, Inc. All rights reserved. 8 Anemia Cardiopulmonary Manifestations Result from heart and lungs trying to provide adequate O2 to tissues Cardiac output maintained by increasing heart rate and stroke volume Copyright © 2020 by Elsevier, Inc. All rights reserved. 9 Anemia Nursing Assessment (1 of 2) Subjective data Important health information • • • • Past health history Medications Surgery or other treatments Dietary history Functional health patterns Copyright © 2020 by Elsevier, Inc. All rights reserved. 10 Anemia Nursing Assessment (2 of 2) Objective data General Integumentary Respiratory Cardiovascular GI Neurologic Diagnostic findings Copyright © 2020 by Elsevier, Inc. All rights reserved. 11 Anemia Nursing Diagnoses Fatigue Impaired nutritional status Ineffective tissue perfusion Copyright © 2020 by Elsevier, Inc. All rights reserved. 12 Anemia Nursing Interventions (1 of 2) Nursing care varies Numerous causes of anemia Patient specific needs Copyright © 2020 by Elsevier, Inc. All rights reserved. 13 Anemia Nursing Interventions (2 of 2) Patients with fatigue Alternate rest and activity Prioritize activities • Accommodate energy levels • Maximize O2 supply for vital functions Aid to minimize risk of injury from falls Monitor cardiorespiratory response Evaluate nutritional needs Copyright © 2020 by Elsevier, Inc. All rights reserved. 14 Case Study (1 of 29) K.L. is a 24-year-old female with increasing lethargy, inability to pay attention at work, and headache. She has a pale, beefy tongue and inflamed lip. She tells you she is breastfeeding her 4 month old. What should you do? Copyright © 2020 by Elsevier, Inc. All rights reserved. 15 Anemia Gerontologic Considerations Anemia is not normal More common in the 70s and beyond Often related to an underlying cause Signs and symptoms may be overlooked Other health issues May be mistaken for normal aging Copyright © 2020 by Elsevier, Inc. All rights reserved. 16 Anemia Decreased Erythrocyte Production RBC production (erythropoiesis) is in equilibrium with RBC destruction/ loss Balance ensures that adequate number of RBCs is always available Copyright © 2020 by Elsevier, Inc. All rights reserved. 17 Erythrocyte Production Life span of an RBC is 120 days Three changes in erythropoiesis may decrease RBC production: Decreased Hgb synthesis Defective DNA synthesis in RBCs Diminished availability of erythrocyte precursors Copyright © 2020 by Elsevier, Inc. All rights reserved. 18 Iron-Deficiency Anemia Most common nutritional disorder in the world Most susceptible Very young Poor diet Women in reproductive years Copyright © 2020 by Elsevier, Inc. All rights reserved. 19 Iron-Deficiency Anemia Etiology (1 of 2) Inadequate dietary intake Normally dietary intake is enough Need more with menstruation, pregnancy Malabsorption Iron absorption occurs in the duodenum Diseases or surgery that alter, destroy, or remove absorption surface of this area of intestine cause anemia Copyright © 2020 by Elsevier, Inc. All rights reserved. 20 Iron-Deficiency Anemia Etiology (2 of 2) Blood loss Major cause of iron deficiency in adults Chronic blood loss most commonly through GI and GU systems • Bleeding often not apparent • May take time to identify Postmenopausal bleeding, chronic kidney disease, and dialysis may contribute Copyright © 2020 by Elsevier, Inc. All rights reserved. 21 Iron-Deficiency Anemia Clinical Manifestations General manifestations of anemia Pallor is most common Glossitis is second • Inflammation of tongue Cheilitis is also found • Inflammation of lips Copyright © 2020 by Elsevier, Inc. All rights reserved. 22 Iron-Deficiency Anemia Diagnostic Studies Laboratory findings Hgb, Hct, MCV, MCH, MCHC, reticulocytes, serum iron, TIBC, bilirubin, platelets Stool occult blood test Endoscopy and colonoscopy Bone marrow biopsy Copyright © 2020 by Elsevier, Inc. All rights reserved. 23 Iron-Deficiency Anemia Interprofessional and Nursing Management Goal Treat underlying problem causing loss, reduced intake or poor absorption of iron Replace iron Nutritional therapy Oral iron supplements Transfusion of packed RBCs Copyright © 2020 by Elsevier, Inc. All rights reserved. 24 Case Study (2 of 29) K.L. has lab work done. Her results are back, and her lab values show Decreased: Hct, Hgb, MCV, iron, ferritin, and transferrin Increased: TIBC What is the likely cause of her anemia? Copyright © 2020 by Elsevier, Inc. All rights reserved. 25 Iron-Deficiency Anemia Drug Therapy (1 of 3) Oral iron Inexpensive Convenient Factors to consider • Enteric-coated or sustained-release capsules are counterproductive • Daily dose is 150 to 200 mg Copyright © 2020 by Elsevier, Inc. All rights reserved. 26 Iron-Deficiency Anemia Drug Therapy (2 of 3) Oral iron Factors to consider • Best absorbed in an acidic environment • Undiluted liquid iron may stain teeth Should be diluted and drank through a straw • Side effects Heartburn, constipation, diarrhea Copyright © 2020 by Elsevier, Inc. All rights reserved. 27 Iron-Deficiency Anemia Drug Therapy (3 of 3) Parenteral iron Indicated for malabsorption, oral iron intolerance, need for iron beyond normal limits, poor patient compliance Can be given IM or IV IM may stain skin • Z-track Copyright © 2020 by Elsevier, Inc. All rights reserved. 28 Iron-Deficiency Anemia Nursing and Interprofessional Management Reassess Hgb and RBC count to evaluate response to therapy Emphasize adherence to dietary and drug therapy Need to take supplement for 2 to 3 months after Hgb returns to normal Monitor for liver problems with lifelong therapy Copyright © 2020 by Elsevier, Inc. All rights reserved. 29 Case Study (3 of 29) How should K.L.’s anemia be treated? Copyright © 2020 by Elsevier, Inc. All rights reserved. 30 Case Study (4 of 29) K.L. tells you she can’t afford medicine. She has three children and her husband is out of work. Her income is barely keeping the household going. Copyright © 2020 by Elsevier, Inc. All rights reserved. 31 Case Study (5 of 29) Anything that costs money is out of the question. What can you teach K.L. about effects of anemia if left untreated? Copyright © 2020 by Elsevier, Inc. All rights reserved. 32 Thalassemia Etiology A group of diseases involving inadequate production of normal Hgb Results in decreased RBC production Due to absent or reduced globulin protein Abnormal Hgb synthesis Hemolysis occurs Copyright © 2020 by Elsevier, Inc. All rights reserved. 33 Thalassemia Genetic Link Autosomal recessive genetic basis One thalassemic gene Thalassemia minor Two thalassemic genes Thalassemia major Copyright © 2020 by Elsevier, Inc. All rights reserved. 34 Thalassemia Clinical Manifestations (1 of 3) Thalassemia minor Often asymptomatic Moderate anemia • Microcytosis • Hypochromia Body adapts to reduction of Hgb—thus no treatment is indicated Copyright © 2020 by Elsevier, Inc. All rights reserved. 35 Thalassemia Clinical Manifestations (2 of 3) Thalassemia major Life-threatening Physical and mental growth often slowed Jaundice is prominent Splenomegaly, hepatomegaly, and cardiomyopathy Symptoms develop in childhood Copyright © 2020 by Elsevier, Inc. All rights reserved. 36 Thalassemia Clinical Manifestations (3 of 3) Thalassemia major As the bone marrow responds to the reduced O2carrying capacity of the blood, RBC production is stimulated, and marrow becomes packed with immature erythroid precursors that die Chronic bone marrow hyperplasia Endocrine problems and thrombosis Copyright © 2020 by Elsevier, Inc. All rights reserved. 37 Thalassemia Interprofessional Care No specific drug or diet is effective in treating thalassemia Thalassemia major Blood transfusions or exchange transfusions with chelating agents that bind to iron to reduce iron overloading Drugs may increase urine excretion of iron Splenectomy Copyright © 2020 by Elsevier, Inc. All rights reserved. 38 Megaloblastic Anemias Group of disorders Caused by impaired DNA synthesis Presence of large RBCs (megaloblasts) Majority result from deficiency in Cobalamin (vitamin B12) Folic acid Copyright © 2020 by Elsevier, Inc. All rights reserved. 39 Cobalamin Deficiency Etiology Most commonly caused by pernicious anemia Caused by absence of intrinsic factor (IF) Insidious onset Begins in middle age or later Predominant in Scandinavians and blacks Copyright © 2020 by Elsevier, Inc. All rights reserved. 40 Cobalamin Deficiency Intrinsic factor (IF) Protein secreted by parietal cells of gastric mucosa IF is required for cobalamin (extrinsic factor) absorption in the distal ileum If IF is not secreted, cobalamin will not be absorbed Copyright © 2020 by Elsevier, Inc. All rights reserved. 41 Cobalamin Deficiency Etiology Can also occur: Surgery or chronic diseases of the GI tract Excess alcohol or hot tea ingestion Smoking Long-term users of H2 histamine receptor blockers and proton pump inhibitors Strict vegetarians Familial predisposition Copyright © 2020 by Elsevier, Inc. All rights reserved. 42 Cobalamin Deficiency Clinical Manifestations General manifestations of anemia develop slowly due to tissue hypoxia GI problems: • Sore , red, beefy, and shiny tongue, anorexia, nausea, vomiting, and abdominal pain Neuromuscular problems: • Weakness, paresthesias of feet and hands, decreased vibratory and position senses, ataxia, muscle weakness, and impaired thought processes Copyright © 2020 by Elsevier, Inc. All rights reserved. 43 Cobalamin Deficiency Diagnostic Studies Macrocytic RBCs have abnormal shapes and fragile cell membranes Serum cobalamin levels are low Normal serum folate levels and low cobalamin levels suggest megaloblastic anemia is due to cobalamin deficiency Upper GI endoscopy with biopsy of gastric mucosa to rule out gastric cancer Copyright © 2020 by Elsevier, Inc. All rights reserved. 44 Cobalamin Deficiency Interprofessional and Nursing Management Parenteral or intranasal administration of cobalamin is treatment of choice Patients will die in 1 to 3 years without treatment Anemia can be reversed with ongoing treatment but long-standing neuromuscular complications may not be reversible Copyright © 2020 by Elsevier, Inc. All rights reserved. 45 Megaloblastic Anemia Nursing and Interprofessional Management Early detection and treatment Ensure safety Diminished sensations to heat and pain from neurologic impairment Protect from falling, burns, and trauma Physical therapy may be needed Copyright © 2020 by Elsevier, Inc. All rights reserved. 46 Megaloblastic Anemia Folic Acid Deficiency Causes megaloblastic anemia Folic acid is needed for DNA synthesis RBC formation and maturation Manifestations are similar to those of cobalamin deficiency, but if neurologic symptoms present, may be caused by thiamine deficiency Copyright © 2020 by Elsevier, Inc. All rights reserved. 47 Folic Acid Deficiency (1 of 2) Common causes Dietary deficiency Malabsorption syndromes Drugs Increased requirement Alcohol use and anorexia Loss during hemodialysis Copyright © 2020 by Elsevier, Inc. All rights reserved. 48 Folic Acid Deficiency (2 of 2) Serum folate level is low Serum cobalamin level is normal Treated with replacement therapy Normal is 5 to 25 ng/mL (11 to 57 nmol/L) Usual dose is 1 mg/day by mouth Encourage patient to eat foods with large amounts of folic acid Copyright © 2020 by Elsevier, Inc. All rights reserved. 49 Audience Response Question (1 of 2) At an outpatient clinic, K.L.’s 78-year-old grandma is found to have a Hgb of 8.7 g/dL (87 g/L) and a Hct of 35%. Based on the most common cause of these findings in the older adult, the nurse collects information about: a. a history of jaundice and black tarry stools. b. a 3-day diet recall of the foods the patient has eaten. c. any drugs that have depressed the function of the bone marrow. d. a history of any chronic diseases, such as cancer or renal disease. Copyright © 2020 by Elsevier, Inc. All rights reserved. 50 Audience Response Question (2 of 2) Answer: D a history of any chronic diseases, such as cancer or renal disease. Copyright © 2020 by Elsevier, Inc. All rights reserved. 51 Anemia of Chronic Disease Anemia of Inflammation (1 of 2) Can be caused by Cancer Autoimmune and infectious disorders • HIV, hepatitis, malaria Chronic inflammation Heart failure Bleeding episodes Copyright © 2020 by Elsevier, Inc. All rights reserved. 52 Anemia of Chronic Disease Anemia of Inflammation (2 of 2) Associated with Underproduction of RBCs Mild shortening of RBC survival • Normocytic, normochromic, and hypoproliferative RBCs Usually a mild anemia but can become severe if the underlying disorder is untreated Copyright © 2020 by Elsevier, Inc. All rights reserved. 53 Anemia of Chronic Disease Anemia of chronic disease findings Increased Serum ferritin Increased Iron stores Normal folate and cobalamin levels Treating underlying cause is best Blood transfusions for severe cases Limited use of erythropoietin therapy Copyright © 2020 by Elsevier, Inc. All rights reserved. 54 Aplastic Anemia Pancytopenia Decrease in all blood cell types • Red blood cells (RBCs) • White blood cells (WBCs) • Platelets Hypocellular bone marrow Ranges from moderate to very severe Potentially fatal Copyright © 2020 by Elsevier, Inc. All rights reserved. 55 Aplastic Anemia Etiology Rare Annual rate of 2 to 5 new cases/million/year About 70% due to autoimmune activity by autoreactive T-lymphocytes May be acquired Toxic injury to bone marrow stem cells Result of inherited stem cell defect Copyright © 2020 by Elsevier, Inc. All rights reserved. 56 Aplastic Anemia Clinical Manifestations Abrupt or insidious development Symptoms caused by suppression of any or all bone marrow elements General manifestations of anemia Fatigue, dyspnea Cardiovascular and cerebral responses Neutropenia, thrombocytopenia Copyright © 2020 by Elsevier, Inc. All rights reserved. 57 Aplastic Anemia Diagnostic Studies Diagnosis confirmed by laboratory studies Decreased Hgb, WBC, and platelet values Decreased reticulocyte count Elevated serum iron and TIBC Hypocellular bone marrow with increased yellow marrow (fat content) Copyright © 2020 by Elsevier, Inc. All rights reserved. 58 Aplastic Anemia: Nursing and Interprofessional Management (1 of 2) Identify and remove causative agent (when possible) Provide supportive care until pancytopenia reverses Prevent complications from infection and hemorrhage Copyright © 2020 by Elsevier, Inc. All rights reserved. 59 Aplastic Anemia: Nursing and Interprofessional Management (2 of 2) Prognosis of severe untreated aplastic anemia is poor Advances in treatment options have significantly improved outcomes Immunosuppressive therapy and bone marrow transplantation can be curative Copyright © 2020 by Elsevier, Inc. All rights reserved. 60 Anemia Caused by Blood Loss Acute and Chronic Anemia from blood loss may be caused by either acute or chronic problems Acute blood loss occurs because of sudden hemorrhage • Trauma, complications of surgery, conditions or diseases that disrupt total blood volume Copyright © 2020 by Elsevier, Inc. All rights reserved. 61 Acute Blood Loss Conditions or diseases that disrupt vascular integrity Hypovolemic shock Compensatory increased plasma volume with diminished O2 -carrying RBCs Copyright © 2020 by Elsevier, Inc. All rights reserved. 62 Acute Blood Loss Clinical Manifestations (1 of 2) Caused by body’s attempts to maintain adequate blood volume and meet oxygen requirements Clinical signs and symptoms are more important than laboratory values Copyright © 2020 by Elsevier, Inc. All rights reserved. 63 Acute Blood Loss Clinical Manifestations (2 of 2) Pain Internal hemorrhage • Tissue distention, organ displacement, nerve compression Retroperitoneal bleeding • Numbness • Pain in lower extremities Shock is major complication Copyright © 2020 by Elsevier, Inc. All rights reserved. 64 Acute Blood Loss Diagnostic Studies With sudden blood volume loss, values may seem normal or high for 2 to 3 days Once plasma volume is replaced, low RBC concentrations become evident Low RBC, Hgb, and Hct levels reflect actual blood loss Copyright © 2020 by Elsevier, Inc. All rights reserved. 65 Acute Blood Loss: Interprofessional and Nursing Management (1 of 2) Replace blood volume to prevent shock Identify source of hemorrhage and stopping blood loss Correct RBC loss Provide supplemental iron Copyright © 2020 by Elsevier, Inc. All rights reserved. 66 Acute Blood Loss: Interprofessional and Nursing Management (2 of 2) May be impossible to prevent blood loss if caused by trauma Postoperative patients Monitor blood loss Give blood products for anemia No need for long-term treatment Copyright © 2020 by Elsevier, Inc. All rights reserved. 67 Chronic Blood Loss Sources of chronic blood loss: Bleeding ulcer Hemorrhoids Menstrual and postmenopausal blood loss Management involves Identifying the source and stop bleeding Providing supplemental iron as needed Copyright © 2020 by Elsevier, Inc. All rights reserved. 68 Hemolytic Anemia (1 of 2) Destruction or hemolysis of RBCs at a rate that exceeds production Caused by problems intrinsic or extrinsic to the RBCs • Intrinsic forms are usually hereditary and result from defects in RBCs themselves • RBCs are normal in acquired forms, but damage is caused by external factors. Copyright © 2020 by Elsevier, Inc. All rights reserved. 69 Sequences of Events in Hemolysis Copyright © 2020 by Elsevier, Inc. All rights reserved. 70 Hemolytic Anemia (2 of 2) General manifestations of anemia Specific manifestations including Jaundice Enlargement of the spleen and liver Maintenance of renal function is a major focus of treatment Copyright © 2020 by Elsevier, Inc. All rights reserved. 71 Case Study (6 of 29) C.P. is a black woman with reports of severe joint and abdominal pain, frequent urination during past two nights, and knee swelling. Copyright © 2020 by Elsevier, Inc. All rights reserved. 72 Case Study (7 of 29) She reports a history of feeling fatigued but attributed it to her active lifestyle. What should you do? Copyright © 2020 by Elsevier, Inc. All rights reserved. 73 Sickle Cell Disease (SCD) Group of inherited, autosomal recessive disorders An abnormal form of Hgb in RBC Genetic disorder usually identified during routine neonatal screening Incurable, significantly affects quality of life Copyright © 2020 by Elsevier, Inc. All rights reserved. 74 Sickle Cell Disease Etiology and Pathophysiology (1 of 3) Abnormal Hgb, Hgb S, causes the RBC to stiffen and elongate Substitution of valine for glutamic acid on the β-globin chain of Hgb Erythrocytes take on a sickle shape in response to decreased O2 levels Copyright © 2020 by Elsevier, Inc. All rights reserved. 75 Sickle Cell Disease Etiology and Pathophysiology (2 of 3) Substitution of valine for glutamic acid on the βglobin chain of Hgb Copyright © 2020 by Elsevier, Inc. All rights reserved. 76 Sickle Cell Disease Etiology and Pathophysiology (3 of 3) Types of SCD Sickle cell anemia • Most severe • Homozygous for hemoglobin S (Hgb SS) Sickle cell thalassemia Sickle cell Hgb C disease Sickle cell trait (Hgb AS) Copyright © 2020 by Elsevier, Inc. All rights reserved. 77 Sickle Cell Hemoglobin Aggregates and Alters Shape of RBC Copyright © 2020 by Elsevier, Inc. All rights reserved. 78 Sickle Cell Disease Sickling Episodes The major pathophysiologic event of this disease Triggered by low O2 tension in blood Infection is most common precipitating factor At first, sickling is reversible with re-oxygenation Copyright © 2020 by Elsevier, Inc. All rights reserved. 79 Sickle Cell Disease Sickle Cell Crisis Severe, painful, acute exacerbation of RBC sickling causes a vaso-occlusive crisis Severe capillary hypoxia eventually leads to tissue necrosis Life-threatening shock is a possible result of severe O2 depletion of the tissues and a reduction of the circulating fluid volume Copyright © 2020 by Elsevier, Inc. All rights reserved. 80 Case Study (8 of 29) In taking a more complete history, C.P. tells you she had one similar episode of symptoms (severe joint and abdominal pain, frequent urination during past two nights, fatigue, and knee swelling) when she had an acute attack of pneumonia 2 months ago. Copyright © 2020 by Elsevier, Inc. All rights reserved. 81 Case Study (9 of 29) What is unusual about her episode of pneumonia? Copyright © 2020 by Elsevier, Inc. All rights reserved. 82 Sickle Cell Disease Clinical Manifestations Typical patient is asymptomatic except during sickling episodes Symptoms may include Pain from tissue hypoxia and damage Pallor of mucous membranes Jaundice from hemolysis Prone to gallstones (cholelithiasis) Copyright © 2020 by Elsevier, Inc. All rights reserved. 83 Clinical Manifestations of Sickle Cell Disease Copyright © 2020 by Elsevier, Inc. All rights reserved. 84 Sickle Cell Disease Complications (1 of 2) Infection is a major cause of morbidity and mortality Function of spleen becomes compromised from sickled RBCs • Autosplenectomy is a result of scarring Pneumococcal pneumonia most common Severe infections can cause aplastic crisis • Can lead to shutdown of RBC production Copyright © 2020 by Elsevier, Inc. All rights reserved. 85 Sickle Cell Disease Complications (2 of 2) Acute chest syndrome Lung complications include pneumonia, tissue infarction, and fat embolism Characterized by fever, chest pain, cough, lung infiltrates, and dyspnea Leads to multiple serious complications Copyright © 2020 by Elsevier, Inc. All rights reserved. 86 Sickle Cell Disease Diagnostic Studies Peripheral blood smear Hemoglobin electrophoresis Skeletal x-rays Magnetic resonance imaging (MRI) Doppler studies Chest x-ray Copyright © 2020 by Elsevier, Inc. All rights reserved. 87 Case Study (10 of 29) C.P. tells you that 2 days ago she went hiking in the mountains. She is sure her swollen knee is from the hike. Physical examination showed an enlarged spleen and an enlarged, inflamed knee joint. What should be done next? Copyright © 2020 by Elsevier, Inc. All rights reserved. 88 Sickle Cell Disease: Nursing and Interprofessional Management (1 of 5) Care is directed toward Preventing sequelae from disease Alleviating manifestations from complications Minimizing end-organ damage Continuously assessing for and promptly treating serious sequelae Copyright © 2020 by Elsevier, Inc. All rights reserved. 89 Sickle Cell Disease: Nursing and Interprofessional Management (2 of 5) Hospitalized patients in sickle cell crisis O2 treats hypoxia and controls sickling Assess for changes in respiratory status Rest with VTE prophylaxis Give fluids Transfusion therapy • Chelation therapy with repeated transfusions Copyright © 2020 by Elsevier, Inc. All rights reserved. 90 Sickle Cell Disease: Nursing and Interprofessional Management (3 of 5) Under-treatment is a major problem Pain management May develop pain medication tolerance Require continuous and breakthrough analgesia with morphine and hydromorphone Multimodal and interdisciplinary approach involving emotional and adjunctive measures Copyright © 2020 by Elsevier, Inc. All rights reserved. 91 Sickle Cell Disease: Nursing and Interprofessional Management (4 of 5) Treat infections Give folic acid Hydrea is only antisickling agent shown to be clinically beneficial Hematopoietic stem cell transplantation (HSCT) is only available cure Copyright © 2020 by Elsevier, Inc. All rights reserved. 92 Sickle Cell Disease: Nursing and Interprofessional Management (5 of 5) Patient and caregiver teaching and support are important Ways to avoid crises Ways to maintain adequate fluid intake Immunizations Importance of prompt medical attention Pain control Copyright © 2020 by Elsevier, Inc. All rights reserved. 93 Case Study (11 of 29) C.P.’s lab values show Hematocrit 30% Hgb 10 g/dL WBC count 20,000/µL Bilirubin 2.8 mg/dL Urinalysis normal Ferritin normal X-ray of her knee is normal Copyright © 2020 by Elsevier, Inc. All rights reserved. 94 Case Study (12 of 29) What problem do C.P.’s history and symptoms suggest? Copyright © 2020 by Elsevier, Inc. All rights reserved. 95 Acquired Hemolytic Anemia (1 of 4) Results from hemolysis of RBCs from extrinsic factors Physical destruction Antibody reactions Infectious agents and toxins Copyright © 2020 by Elsevier, Inc. All rights reserved. 96 Acquired Hemolytic Anemia (2 of 4) Physical destruction of RBCs results from exertion of extreme force on cells Hemodialysis Extracorporeal circulation used in cardiopulmonary bypass Prosthetic heart valves Abnormal vessels Copyright © 2020 by Elsevier, Inc. All rights reserved. 97 Acquired Hemolytic Anemia (3 of 4) RBCs can be fragmented and destroyed as they try to pass through abnormal arterial or venous microcirculation Excessive platelet aggregation and/or fibrin polymer formation • Seen in thrombotic thrombocytopenic purpura (TTP) and disseminated intravascular coagulopathy (DIC) Copyright © 2020 by Elsevier, Inc. All rights reserved. 98 Acquired Hemolytic Anemia (4 of 4) Antibodies may destroy RBCs by mechanisms involved in antigen-antibody reactions Blood transfusion reaction Autoimmune antibody reactions Copyright © 2020 by Elsevier, Inc. All rights reserved. 99 Acquired Hemolytic Anemia Infectious Agents Cause hemolysis in three ways: Invade the RBC and destroy its contents • Parasites, such as in malaria Release hemolytic substances • Clostridium perfringens Generate an antigen-antibody reaction • Mycoplasma pneumoniae Copyright © 2020 by Elsevier, Inc. All rights reserved. 100 Acquired Hemolytic Anemia Treatment and Management Supportive care until the causative agent can be eliminated or made less injurious Emergency preparedness is essential for potential hemolytic crises • Aggressive hydration and electrolyte replacement, corticosteroids, blood products, splenectomy Folic acid replacement and immunosuppressive agents for chronic conditions Copyright © 2020 by Elsevier, Inc. All rights reserved. 101 Hemochromatosis Iron overload disorder Genetic defect most common cause May occur with other diseases Genetic link Increased intestinal iron absorption Increased tissue and organ iron deposition Copyright © 2020 by Elsevier, Inc. All rights reserved. 102 Case Study (13 of 29) What patient teaching is essential for you to discuss with C.P.? Copyright © 2020 by Elsevier, Inc. All rights reserved. 103 Thrombocytopenia Copyright © 2020 by Elsevier, Inc. All rights reserved. 104 Thrombocytopenia Normal Hemostasis Involves the vascular endothelium, platelets, and coagulation factors Function together to stop hemorrhage and repair vascular injury Disruption of any component may result in bleeding or thrombotic disorders Copyright © 2020 by Elsevier, Inc. All rights reserved. 105 Etiology and Pathophysiology Reduction of platelets Results in abnormal hemostasis Prolonged or spontaneous bleeding Primarily an acquired disorder Commonly from ingestion of certain drugs Copyright © 2020 by Elsevier, Inc. All rights reserved. 106 Case Study (14 of 29) R.H. is a 46-year-old cancer survivor who returns to your clinic for a regular check-up. She is currently reporting an increase in fatigue for the last 2 to 3 weeks. Copyright © 2020 by Elsevier, Inc. All rights reserved. 107 Case Study (15 of 29) She is also unable to complete her normal morning ADLs without intermittent rest periods. What should you do first? Copyright © 2020 by Elsevier, Inc. All rights reserved. 108 Causes of Thrombocytopenia Inherited Acquired Immune thrombocytopenia purpura (ITP) Thrombotic thrombocytopenia purpura (TTP) Heparin-induced thrombocytopenia (HIT) Copyright © 2020 by Elsevier, Inc. All rights reserved. 109 Immune Thrombocytopenia (ITP) Most common acquired thrombocytopenia Syndrome of abnormal destruction of circulating platelets Acquired autoimmune disorder Copyright © 2020 by Elsevier, Inc. All rights reserved. 110 Immune Thrombocytopenic Purpura (ITP) Clinical syndrome presents as Acute condition in children Chronic condition in adults Treated with multiple therapies Copyright © 2020 by Elsevier, Inc. All rights reserved. 111 Thrombotic Thrombocytopenia Purpura (TTP) (1 of 2) An uncommon syndrome with a variety of features that are not always present Called TTP-HUS as it is almost always associated with hemolytic-uremic syndrome Associated with enhanced aggregation of platelets that form into microthrombi Copyright © 2020 by Elsevier, Inc. All rights reserved. 112 Thrombotic Thrombocytopenic Purpura (TTP) (2 of 2) Caused by plasma enzyme deficiency Primarily in previously healthy adults May be idiopathic or from drug toxicities Medical emergency Bleeding and clotting occur at the same time Copyright © 2020 by Elsevier, Inc. All rights reserved. 113 Heparin-Induced Thrombocytopenia (HIT) (1 of 2) Associated with use of heparin Life-threatening Two major responses to an immune-mediated response to heparin: Platelet destruction Vascular endothelial injury Copyright © 2020 by Elsevier, Inc. All rights reserved. 114 Heparin-Induced Thrombocytopenia (HIT) (2 of 2) Develops 5 to 10 days after heparin therapy is started Platelet count drops by more than 50% VTE is major clinical problem • Arterial thrombosis can also develop • VTE and PE often result Copyright © 2020 by Elsevier, Inc. All rights reserved. 115 Thrombocytopenia (1 of 6) Clinical manifestations Patients are often asymptomatic Most common symptom is mucosal or cutaneous bleeding • Petechiae—microhemorrhages • Purpura—bruise from numerous petechiae • Ecchymoses—larger lesions from hemorrhage Copyright © 2020 by Elsevier, Inc. All rights reserved. 116 Thrombocytopenia (2 of 6) Copyright © 2020 by Elsevier, Inc. All rights reserved. 117 Thrombocytopenia (3 of 6) Manifestations Hemorrhage may be insidious or acute • Internal bleeding may manifest as weakness, fainting, dizziness, tachycardia, abdominal pain, or hypotension • Cerebral hemorrhage may be fatal Copyright © 2020 by Elsevier, Inc. All rights reserved. 118 Thrombocytopenia (4 of 6) Diagnostic studies Decreased Platelet count< 150,000/μL • Prolonged bleeding < 50,000/μL • Hemorrhage decreased 20,000/μL Medical history Clinical examination Lab parameter comparisons Copyright © 2020 by Elsevier, Inc. All rights reserved. 119 Thrombocytopenia (5 of 6) Diagnostic studies Lab tests for hemostasis and coagulation can be normal Specific assays can assist Bone marrow exam can rule out production problems as the cause Copyright © 2020 by Elsevier, Inc. All rights reserved. 120 Case Study (16 of 29) When taking her BP, you notice R.H. has small, flat, pinpoint, reddish-brown microhemorrhages all over her forearms. Copyright © 2020 by Elsevier, Inc. All rights reserved. 121 Case Study (17 of 29) On further inspection, you notice that on her left thigh, she has a very large, purple bruise which she reports is tender to the touch. What are these lesions? Copyright © 2020 by Elsevier, Inc. All rights reserved. 122 Thrombocytopenia (6 of 6) Interprofessional care Based on the cause Removal or treatment of underlying cause or disorder may be sufficient Avoid aspirin and other drugs that affect platelet function or production Copyright © 2020 by Elsevier, Inc. All rights reserved. 123 Immune Thrombocytopenia Purpura (ITP) (1 of 6) Interprofessional care Therapy initiated if platelets ↓ 30,000/μL Corticosteroids • Suppress phagocytic response of splenic macrophages resulting in increased life span of the platelets • Depress antibody formation • Reduce capillary leakage Copyright © 2020 by Elsevier, Inc. All rights reserved. 124 Immune Thrombocytopenia Purpura (ITP) (2 of 6) Interprofessional care High doses of IV immunoglobulin (IVIG) and anti-Rho (D) • Compete with antiplatelet antibodies for macrophage receptors in the spleen Rituximab (Rituxan) • Lyse activated B cells • Reduce immune recognition of platelets Copyright © 2020 by Elsevier, Inc. All rights reserved. 125 Immune Thrombocytopenic Purpura (ITP) (3 of 6) Interprofessional care Thrombopoietin receptor agonists • Used with chronic ITP when insufficient response to other treatments • Romiplostim (Nplate) • Eltrombopag (Promacta) Copyright © 2020 by Elsevier, Inc. All rights reserved. 126 Immune Thrombocytopenia Purpura (ITP) (4 of 6) Interprofessional care Splenectomy • May be needed if patient does not respond to other treatments • 2/3 of patients achieve sustained remission Copyright © 2020 by Elsevier, Inc. All rights reserved. 127 Immune Thrombocytopenic Purpura (ITP) (5 of 6) • • Effectiveness of splenectomy based on Spleen has an abundance of macrophages that sequester and destroy platelets Structural features enhance interaction of antibodycoated platelets and macrophages Copyright © 2020 by Elsevier, Inc. All rights reserved. 128 Immune Thrombocytopenia Purpura (ITP) (6 of 6) • • Effectiveness of splenectomy based on Some antibody synthesis occurs in spleen , so antiplatelet antibodies decrease after splenectomy Spleen normally sequesters around 1/3 of the platelets, so its removal increases number of platelets in circulation Copyright © 2020 by Elsevier, Inc. All rights reserved. 129 Thrombotic Thrombocytopenia Purpura (TTP) (1 of 2) Interprofessional care First treat underlying disorder or remove cause Untreated TTP usually results in irreversible renal failure and death Plasmapheresis can aggressively reverse platelet consumption • Continued daily until platelet counts normalize and hemolysis has ceased Copyright © 2020 by Elsevier, Inc. All rights reserved. 130 Thrombotic Thrombocytopenia Purpura (TTP) (2 of 2) Interprofessional care Rituximab • Used for patients refractory to plasma exchange • Decreases level of inhibitory ADAMTS13 IgG antibodies Other immunosuppressants may be used Splenectomy may be considered Copyright © 2020 by Elsevier, Inc. All rights reserved. 131 Case Study (18 of 29) R.H.’s lab results are back: Platelet count 40,000/μL Hgb 9.10 g/dL; Hct 29% RBCs 3.26 × 106/μL Prothrombin (PT) time 15 seconds Activated partial thromboplastin time (APTT) <35 seconds What type of thrombocytopenia does she probably have? Copyright © 2020 by Elsevier, Inc. All rights reserved. 132 Heparin-Induced Thrombocytopenia (HIT) (1 of 2) Interprofessional care Stop all heparin including heparin flushes • Note clearly on medical record Start patient on a direct thrombin inhibitor Start warfarin (Coumadin) only when platelet count reaches 150,000/μL Copyright © 2020 by Elsevier, Inc. All rights reserved. 133 Heparin-Induced Thrombocytopenia (HIT) (2 of 2) Interprofessional care For severe clotting: • Plasmapheresis to clear platelet-aggregating IgG from the blood • Protamine sulfate to interrupt circulating heparin • Thrombolytic agents to treat thromboembolic events • Surgery to remove clots Copyright © 2020 by Elsevier, Inc. All rights reserved. 134 Thrombocytopenia From Decreased Platelet Production Interprofessional care Management is based on identifying cause and treating disease or removing the causative agent Treat with corticosteroids if precipitating factor is unknown Platelet transfusions for life-threatening hemorrhage Copyright © 2020 by Elsevier, Inc. All rights reserved. 135 Acquired Thrombocytopenia From Decreased Platelet Production Interprofessional care Often caused by another underlying condition or therapy used to treat another problem • In acute leukemia, all blood cell types may be depressed • Chemotherapeutic drugs can cause bone marrow suppression • Thrombocytopenia will resolve if patient is adequately supported during treatment Copyright © 2020 by Elsevier, Inc. All rights reserved. 136 Case Study (18 of 29) 1. What kind of treatment should R.H. expect? 2. What could happen if she does not follow through with treatment? 3. How will her doctor know when to stop treatment? Copyright © 2020 by Elsevier, Inc. All rights reserved. 137 Nursing Management Thrombocytopenia (1 of 10) Nursing assessment Subjective data • Past health history • Medications • Functional health patterns Objective data • Fever, lethargy, bleeding, splenomegaly, abdominal distention • Lab data Copyright © 2020 by Elsevier, Inc. All rights reserved. 138 Nursing Management Thrombocytopenia (2 of 10) Nursing diagnoses The primary nursing diagnosis is risk for bleeding Copyright © 2020 by Elsevier, Inc. All rights reserved. 139 Nursing Management Thrombocytopenia (3 of 10) Planning Overall goals are that the patient will • Have no bleeding • Maintain vascular integrity • Manage home care to prevent any complications related to an increased risk for bleeding Copyright © 2020 by Elsevier, Inc. All rights reserved. 140 Nursing Management Thrombocytopenia (4 of 10) Nursing implementation Health promotion • Discourage the use of OTC medications, especially aspirin products • Encourage patients to have a complete medical evaluation if manifestations of bleeding tendencies develop • Observe for early signs in patients receiving cancer chemotherapy drugs Copyright © 2020 by Elsevier, Inc. All rights reserved. 141 Nursing Management Thrombocytopenia (5 of 10) Nursing implementation Acute care • Prevent or control hemorrhage • Bleeding usually begins superficially • Deep bleeding occurs only when clotting factors are diminished • Any bleeding needs evaluation and treatment • Watch for bleeding that can be difficult to detect Copyright © 2020 by Elsevier, Inc. All rights reserved. 142 Nursing Management Thrombocytopenia (6 of 10) Nursing implementation Acute care • If subcutaneous injection is unavoidable, use smallgauge needles and apply direct pressure or ice packs after • Avoid IM injections • Teach importance of adhering to self-care measures to reduce risk of bleeding Copyright © 2020 by Elsevier, Inc. All rights reserved. 143 Nursing Management Thrombocytopenia (7 of 10) Nursing implementation Acute care • Closely monitor platelet count, coagulation studies, Hgb, and Hct • Manage blood loss from excessive menstrual bleeding Count sanitary napkins used Use hormones to suppress menses Copyright © 2020 by Elsevier, Inc. All rights reserved. 144 Nursing Management Thrombocytopenia (8 of 10) Nursing implementation Administer platelet transfusions Blood component therapy is frequently used to manage hematologic diseases Copyright © 2020 by Elsevier, Inc. All rights reserved. 145 Nursing Management Thrombocytopenia (9 of 10) Nursing implementation Ambulatory care • Monitor patients for response to therapy • Teach avoidance of causative agents, trauma, and injury • Teach clinical signs and symptoms of bleeding • Encourage planned, periodic medical exams • Address quality of life issues Copyright © 2020 by Elsevier, Inc. All rights reserved. 146 Nursing Management Thrombocytopenia (10 of 10) Evaluation Expected outcomes • No evidence of bleeding or bruising • State needed knowledge and skills to manage disease process Copyright © 2020 by Elsevier, Inc. All rights reserved. 147 Case Study (20 of 29) 1. If R.H. does not respond to plasmapheresis, what surgery might be done? 2. What is your role in preparing her for care after surgery? Copyright © 2020 by Elsevier, Inc. All rights reserved. 148 Hemophilia and von Willebrand Disease (1 of 5) Hemophilia is X-linked recessive genetic disorder caused by defective or deficient coagulation factor Two major types Hemophilia A Hemophilia B Copyright © 2020 by Elsevier, Inc. All rights reserved. 149 Hemophilia and von Willebrand Disease (2 of 5) von Willebrand disease is a related disorder involving deficiency of von Willebrand coagulation factor (Factor VIII) Made in the liver Copyright © 2020 by Elsevier, Inc. All rights reserved. 150 Hemophilia and von Willebrand Disease (3 of 5) Clinical manifestations/complications Bleeding, which may be life-threatening Slow, persistent, prolonged bleeding Delayed bleeding after minor injuries Uncontrollable hemorrhage after dental extractions or irritation with toothbrush Epistaxis GI bleeding from ulcers and gastritis Copyright © 2020 by Elsevier, Inc. All rights reserved. 151 Hemophilia and von Willebrand Disease (4 of 5) Clinical manifestations/complications Hematuria and potential renal failure Ecchymoses and subcutaneous hematomas Compartment syndrome Neurologic signs Hemarthrosis Copyright © 2020 by Elsevier, Inc. All rights reserved. 152 Hemophilia and von Willebrand Disease (5 of 5) Diagnostic studies Factor deficiency within the intrinsic system (factor VIII, IX, XI, XII , vWF) Interprofessional care Preventive care Replacement therapy Treatment of complications Copyright © 2020 by Elsevier, Inc. All rights reserved. 153 Disseminated Intravascular Coagulation (DIC) (1 of 5) Serious bleeding and thrombotic disorder Results from abnormally initiated and accelerated clotting Decreases in clotting factors and platelets ensue May lead to uncontrollable hemorrhage Copyright © 2020 by Elsevier, Inc. All rights reserved. 154 Disseminated Intravascular Coagulation (DIC) (2 of 5) Always caused by an underlying disease or condition Abnormal response to clotting cascade stimulated by a disease process or disorder • Acute, catastrophic condition • Subacute, or chronic level Copyright © 2020 by Elsevier, Inc. All rights reserved. 155 Disseminated Intravascular Coagulation (DIC) (3 of 5) Clinical manifestations Bleeding in the skin, respiratory and cardiovascular systems, GI and urinary tracts, neurologic and musculoskeletal systems Thrombosis in the skin, respiratory and cardiovascular systems, GI tract, kidneys Copyright © 2020 by Elsevier, Inc. All rights reserved. 156 Disseminated Intravascular Coagulation (DIC) (4 of 5) Diagnostic studies D-dimer is a specific marker for the degree of fibrinolysis Decreased Platelets Decreased Fibrinogen Clotting times prolonged Copyright © 2020 by Elsevier, Inc. All rights reserved. 157 Disseminated Intravascular Coagulation (DIC) (5 of 5) Interprofessional care Early diagnosis and treatment of underlying cause Control ongoing thrombosis and bleeding • If chronic DIC and not bleeding, no therapy needed • When patient with DIC is bleeding, blood products are given while treating underlying cause Copyright © 2020 by Elsevier, Inc. All rights reserved. 158 Leukemia Copyright © 2020 by Elsevier, Inc. All rights reserved. 159 Leukemia (1 of 2) A group of cancers affecting the blood and bloodforming tissues of Bone marrow Lymph system Spleen Copyright © 2020 by Elsevier, Inc. All rights reserved. 160 160 Leukemia (2 of 2) Occurs in all age-groups Accumulation of dysfunctional cells due to loss of regulation in cell division Fatal if untreated Accounts for 29% of all childhood cancers Copyright © 2020 by Elsevier, Inc. All rights reserved. 161 161 Leukemia Etiology and Pathophysiology No single cause Combination of genetic and environmental influences • Oncogenes, or abnormal genes, can cause many types of cancers • Chemical agents, chemotherapeutic agents, viruses, radiation, and immunologic deficiencies have been associated with development of leukemia Copyright © 2020 by Elsevier, Inc. All rights reserved. 162 162 Pathophysiology of Leukemia Copyright © 2020 by Elsevier, Inc. All rights reserved. 163 Leukemia Classification (1 of 2) Acute versus chronic Cell maturity and nature of disease onset • Acute: Clonal proliferation of immature hematopoietic cells • Chronic: More mature forms of WBC and onset is more gradual Copyright © 2020 by Elsevier, Inc. All rights reserved. 164 164 Leukemia Classification (2 of 2) Based on type of WBC Acute lymphocytic leukemia (ALL) Acute myelogenous leukemia (AML) Chronic myelogenous leukemia (CML) Chronic lymphocytic leukemia (CLL) Copyright © 2020 by Elsevier, Inc. All rights reserved. 165 165 Case Study (21 of 29) W.C. is a 64-year-old man who reports general fatigue and recent weight loss. What specific information will you be sure to obtain during your initial nursing assessment? Copyright © 2020 by Elsevier, Inc. All rights reserved. 166 166 Acute Myelogenous Leukemia (AML) 25% of all leukemias Abrupt, dramatic onset 80% of the acute leukemias in adults Serious infection or abnormal bleeding Characterized by uncontrolled proliferation of myeloblasts Hyperplasia of bone marrow Copyright © 2020 by Elsevier, Inc. All rights reserved. 167 167 Acute Lymphocytic Leukemia (ALL) (1 of 2) Most common type of leukemia in children 20% of acute leukemia in adults Immature, small lymphocytes proliferate in the bone marrow Most are of B cell origin Copyright © 2020 by Elsevier, Inc. All rights reserved. 168 168 Acute Lymphocytic Leukemia (ALL) (2 of 2) Signs and symptoms may appear Abruptly • Fever at time of diagnosis • Bleeding Insidiously • Progressive weakness, fatigue, bone and/or joint pain, bleeding tendencies CNS manifestations are common Copyright © 2020 by Elsevier, Inc. All rights reserved. 169 169 Chronic Myelogenous Leukemia (CML) (1 of 2) Excessive development of neoplastic granulocytes in bone marrow Move into peripheral blood in massive numbers Infiltrate liver and spleen Copyright © 2020 by Elsevier, Inc. All rights reserved. 170 170 Chronic Myelogenous Leukemia (CML) (2 of 2) Philadelphia chromosome Genetic marker Present in 90% or more CML patients Chronic, stable phase Followed by acute, aggressive (blastic) phase Copyright © 2020 by Elsevier, Inc. All rights reserved. 171 171 Chronic Lymphocytic Leukemia (CLL) (1 of 2) Most common leukemia in adults Production and accumulation of functionally inactive but long-lived, mature-appearing lymphocytes B cells involvement Lymphocytes infiltrate bone marrow, spleen, liver Lymphadenopathy throughout body Copyright © 2020 by Elsevier, Inc. All rights reserved. 172 172 Chronic Lymphocytic Leukemia (CLL) (2 of 2) Complications are rare in early stage May develop as disease advances Pain, paralysis from pressure caused by enlarged lymph nodes Mediastinal node enlargement leads to pulmonary symptoms Many patients in early stages may require no treatment Copyright © 2020 by Elsevier, Inc. All rights reserved. 173 173 Leukemia Subtype may be difficult to identify May have lymphoid, myeloid, or mixed characteristics Poor prognosis Overlap with non-Hodgkin’s lymphoma Both involve proliferation of lymphocytes or their precursors Copyright © 2020 by Elsevier, Inc. All rights reserved. 174 174 Leukemia Clinical Manifestations (1 of 5) Varied but usually related to Bone marrow failure • Overcrowding by abnormal cells • Inadequate production of normal marrow elements Formation of leukemic infiltrates Copyright © 2020 by Elsevier, Inc. All rights reserved. 175 175 Leukemia Clinical Manifestations (2 of 5) Inadequate marrow elements predispose patient to Anemia Thrombocytopenia Decreased number and function of WBCs Copyright © 2020 by Elsevier, Inc. All rights reserved. 176 176 Leukemia Clinical Manifestations (3 of 5) As leukemia progresses, fewer normal blood cells are made Abnormal WBCs continue to accumulate, do not go through normal cell cycle to death (apoptosis) Copyright © 2020 by Elsevier, Inc. All rights reserved. 177 177 Leukemia Clinical Manifestations (4 of 5) Leukemic cells may cause Splenomegaly Hepatomegaly Lymphadenopathy Bone pain Meningeal irritation Oral lesions Solid masses (chloromas) Copyright © 2020 by Elsevier, Inc. All rights reserved. 178 178 Leukemia Clinical Manifestations (5 of 5) Leukostasis Life-threatening complication Caused by a high leukemic WBC count in peripheral blood • Greater than 100,000/µL Blood thickens and blocks circulatory pathways Copyright © 2020 by Elsevier, Inc. All rights reserved. 179 179 Leukemia Diagnostic Studies (1 of 2) To diagnose and classify types of leukemia Peripheral blood evaluation Bone marrow examination To identify cell types and stage Morphologic, histochemical, immunologic, and cytogenic methods Copyright © 2020 by Elsevier, Inc. All rights reserved. 180 180 Leukemia Diagnostic Studies (2 of 2) To determine the presence of leukemic cells outside of blood and bone marrow Lumbar puncture PET/CT scan Copyright © 2020 by Elsevier, Inc. All rights reserved. 181 181 Case Study (22 of 29) The provider orders a CBC for W.C. WBC 110,000/µL Hgb 10.5 g/L Platelets 120,000 /µL What problem do his symptoms and lab values suggest? Copyright © 2020 by Elsevier, Inc. All rights reserved. 182 182 Leukemia Interprofessional Care (1 of 6) Initial goal is to attain remission Complete, partial, or molecular • Prognosis is directly related to ability to maintain a remission • Prognosis becomes more unfavorable with each relapse Chemotherapy is the mainstay of treatment Copyright © 2020 by Elsevier, Inc. All rights reserved. 183 183 Leukemia Interprofessional Care (2 of 6) Stages of chemotherapy • Induction • Postinduction or postremission (consolidation) • Maintenance Copyright © 2020 by Elsevier, Inc. All rights reserved. 184 184 Leukemia Interprofessional Care (3 of 6) Induction therapy Attempt to induce remission Seeks to destroy leukemic cells in tissues, peripheral blood, and bone marrow Patient may become critically ill • Neutropenia, thrombocytopenia, anemia 70% of patients younger than 60 achieve complete remission Copyright © 2020 by Elsevier, Inc. All rights reserved. 185 185 Leukemia Interprofessional Care (4 of 6) Postinduction or postremission chemotherapy Intensification therapy • High-dose therapy • May be given after induction therapy • Other drugs that target cell in a different way than those administered during induction may be added Copyright © 2020 by Elsevier, Inc. All rights reserved. 186 186 Leukemia Interprofessional Care (5 of 6) Postinduction or postremission chemotherapy Consolidation therapy • Started after remission is achieved • 1 or 3 more courses of induction drugs • Eliminate remaining leukemic cells that may not be clinically or pathologically evident Copyright © 2020 by Elsevier, Inc. All rights reserved. 187 187 Leukemia Interprofessional Care (6 of 6) Maintenance therapy Lower doses of the same drugs used in induction given every 3 to 4 weeks Goal is to keep body free of leukemic cells Copyright © 2020 by Elsevier, Inc. All rights reserved. 188 188 Leukemia Chemotherapy Regimens Combination chemotherapy Mainstay of treatment Three purposes • Decrease drug resistance • Decrease drug toxicity by using multiple drugs • Interrupt cell growth at multiple points in cell cycle Copyright © 2020 by Elsevier, Inc. All rights reserved. 189 189 Leukemia Other Treatments Corticosteroids Radiation therapy Total body radiation in preparation for bone marrow transplantation Organ- or field-specific such as liver or spleen Immunotherapy and targeted therapy Copyright © 2020 by Elsevier, Inc. All rights reserved. 190 190 Leukemia Hematopoietic Stem Cell Transplant Goal of HSCT Eliminate all leukemic cells using combinations of chemotherapy with or without total body irradiation Eradicates patient’s hematopoietic stem cells Copyright © 2020 by Elsevier, Inc. All rights reserved. 191 191 Leukemia Stem Cell Transplantation Replaced with those of an HLA-matched Sibling HLA-half-matched relative Volunteer donor (allogenic) Identical twin (syngeneic) Copyright © 2020 by Elsevier, Inc. All rights reserved. 192 192 Nursing Management Assessment (1 of 4) Subjective data Past health history • Exposure to toxins, chromosome abnormalities, frequent infections Medications • Previous chemotherapy Surgery or radiation treatments Copyright © 2020 by Elsevier, Inc. All rights reserved. 193 193 Nursing Management Assessment (2 of 4) Functional health patterns Copyright © 2020 by Elsevier, Inc. All rights reserved. 194 194 Nursing Management Assessment (3 of 4) Objective data Fever, lymphadenopathy, lethargy Pallor, jaundice, petechiae, ecchymoses CV—tachycardia, systolic murmurs GI—oral lesions or bleeding, herpes or infection, hepatomegaly, splenomegaly Seizures, disorientation, confusion Muscle wasting, bone or joint pain Copyright © 2020 by Elsevier, Inc. All rights reserved. 195 195 Nursing Management Assessment (4 of 4) Diagnostic findings WBC may be normal or abnormal Anemia Decreased Hct and Hgb Thrombocytopenia Philadelphia chromosome Hypercellular bone marrow aspirate or biopsy Copyright © 2020 by Elsevier, Inc. All rights reserved. 196 196 Nursing Management Planning Overall goals Understand and adhere to treatment plan Have minimal side effects and complications of disease and treatment Establish realistic hope and goals, feeling supported during periods of treatment, relapse, and remission Copyright © 2020 by Elsevier, Inc. All rights reserved. 197 197 Nursing Management Acute Care (1 of 3) Many physical and psychologic needs Diagnosis evokes great fear Equated with death Family needs help adjusting to stress of sick role May be viewed as hopeless, horrible Copyright © 2020 by Elsevier, Inc. All rights reserved. 198 198 Nursing Management Acute Care (2 of 3) Important nursing interventions Maximizing patient’s physical functioning Teaching patients that acute side effects of treatment are usually temporary Encouraging patients to discuss quality of life issues Copyright © 2020 by Elsevier, Inc. All rights reserved. 199 199 Nursing Management Acute Care (3 of 3) You will face special challenges when meeting the treatment needs of a patient with leukemia Review all drugs being given Be prepared to manage the sometimes lifethreatening side effects of treatment Assess lab data reflecting effects of drugs and sequelae of the disease Copyright © 2020 by Elsevier, Inc. All rights reserved. 200 200 Case Study (23 of 29) W.C.’s wife comes to his next appointment to find out results of all of his tests. She is quite worried. What is the primary nursing management for W.C. and his wife? Copyright © 2020 by Elsevier, Inc. All rights reserved. 201 201 Nursing Management Ambulatory Care (1 of 3) Ongoing care is necessary to monitor for signs and symptoms of disease control or relapse Teach patient and caregiver Diligence in disease management Need for follow-up care When to seek medical attention Copyright © 2020 by Elsevier, Inc. All rights reserved. 202 202 Nursing Management Ambulatory Care (2 of 3) Goals of rehabilitation Manage the consequences • • • • Physical Psychosocial Social Spiritual Copyright © 2020 by Elsevier, Inc. All rights reserved. 203 203 Nursing Management Ambulatory Care (3 of 3) Vigilant follow-up care Assures that we recognize and treat cancer survivor’s unique needs Often may need referral or consultation • Physical therapy • Pneumococcal vaccine • Annual influenza vaccine Copyright © 2020 by Elsevier, Inc. All rights reserved. 204 204 Nursing Management Evaluation Expected outcomes Cope effectively with the diagnosis, treatment regimen, and prognosis Have no complications related to the disease or its treatment Feel supported throughout treatment Copyright © 2020 by Elsevier, Inc. All rights reserved. 205 205 Case Study (24 of 29) W.C.’s results indicate he is in the early stages of CLL. What would you teach W.C. about follow-up care and managing his condition? Copyright © 2020 by Elsevier, Inc. All rights reserved. 206 206 Audience Response Question (1 of 2) A patient with acute myelogenous leukemia is starting chemotherapy. When teaching the patient about the induction stage of chemotherapy, what is an appropriate statement? a. “The drugs are started slowly to minimize side effects.” b. “You will be at increased risk for bleeding and infection.” c. “High doses will be administered every day for several months.” d. “Most patients have more energy and are resistant to infection.” Copyright © 2020 by Elsevier, Inc. All rights reserved. 207 Audience Response Question (2 of 2) Answer: B “You will be at increased risk for bleeding and infection.” Copyright © 2020 by Elsevier, Inc. All rights reserved. 208 Lymphoma Copyright © 2020 by Elsevier, Inc. All rights reserved. 209 Lymphoma (1 of 3) Cancers originating in bone marrow and lymphatic structures Result in proliferation of lymphocytes Copyright © 2020 by Elsevier, Inc. All rights reserved. 210 Lymphoma (2 of 3) Comprise 4% to 5% of all cancers in United States Two major types Hodgkin’s lymphoma Non-Hodgkin’s lymphoma (NHL) Copyright © 2020 by Elsevier, Inc. All rights reserved. 211 Lymphoma (3 of 3) See Table 30-27 in the textbook for a Comparison of Hodgkin’s and Non-Hodgkin’s Lymphoma Copyright © 2020 by Elsevier, Inc. All rights reserved. 212 Hodgkin’s Lymphoma (1 of 2) Known as Hodgkin’s disease Makes up about 10% of all lymphomas Cancerous condition with Proliferation of abnormal giant, multinucleated cells • Reed-Sternberg cells • Proliferate in the lymph nodes Copyright © 2020 by Elsevier, Inc. All rights reserved. 213 Hodgkin’s Lymphoma (2 of 2) Bimodal age-specific incidence 15 to 30 years of age Greater than 55 years of age About 8260 new cases each year Long-term survival exceeds 80% for all stages Copyright © 2020 by Elsevier, Inc. All rights reserved. 214 Hodgkin’s Lymphoma Etiology and Pathophysiology (1 of 2) Cause remains unknown Key factors Infection with Epstein-Barr virus (EBV) Genetic predisposition Exposure to occupational toxins Incidence increased in those with HIV infection Copyright © 2020 by Elsevier, Inc. All rights reserved. 215 Hodgkin’s Lymphoma Etiology and Pathophysiology (2 of 2) Starts in a single location then spreads to adjacent lymphatics Eventually infiltrates other organs Disease above diaphragm stays confined to lymph nodes for variable time Disease below diaphragm often spreads to extralymphoid sites, such as liver Copyright © 2020 by Elsevier, Inc. All rights reserved. 216 Hodgkin’s Lymphoma Clinical Manifestations (1 of 5) Usually gradual onset Enlargement of cervical, axillary, or inguinal lymph nodes Second most common location is a mediastinal node mass Nodes are movable and nontender Not painful unless nodes exert pressure on adjacent nerves Copyright © 2020 by Elsevier, Inc. All rights reserved. 217 Enlarged Cervical Lymph Nodes Copyright © 2020 by Elsevier, Inc. All rights reserved. 218 Hodgkin’s Lymphoma Clinical Manifestations (2 of 5) Patient may notice Weight loss Fatigue and weakness Fever and chills Tachycardia Night sweats Copyright © 2020 by Elsevier, Inc. All rights reserved. 219 Hodgkin’s Lymphoma Clinical Manifestations (3 of 5) Initial findings that correlate with a worse prognosis Called B symptoms • Fever greater than 100.4° F (380° C) • Drenching night sweats • Weight loss exceeding 10% in 6 months Copyright © 2020 by Elsevier, Inc. All rights reserved. 220 Hodgkin’s Lymphoma Clinical Manifestations (4 of 5) Alcohol-induced pain at site of disease Generalized pruritus without lesions With mediastinal node involvement Cough Dyspnea Stridor Dysphagia Copyright © 2020 by Elsevier, Inc. All rights reserved. 221 Hodgkin’s Lymphoma Clinical Manifestations (5 of 5) Advanced cases Hepatomegaly Splenomegaly Anemia Other physical signs vary, depending on disease location Copyright © 2020 by Elsevier, Inc. All rights reserved. 222 Case Study (25 of 29) N.L. is a 74-year-old man who visits his primary care provider with “GI issues”. Blood work and a CT are ordered Enlarged cervical lymph nodes are noted on assessment. Followed by a lymph node biopsy. What is lymphoma? Copyright © 2020 by Elsevier, Inc. All rights reserved. 223 Hodgkin’s Lymphoma Diagnostic Studies Peripheral blood analysis Increased ESR, high leukocyte alkaline phosphatase, hypercalcemia, hyperalbuminemia Excisional lymph node biopsy Bone marrow examination Radiologic evaluation Copyright © 2020 by Elsevier, Inc. All rights reserved. 224 Stages of Hodgkin’s Lymphoma Copyright © 2020 by Elsevier, Inc. All rights reserved. 225 Hodgkin’s Lymphoma: Nursing and Interprofessional Management (1 of 8) Nomenclature used in staging A or B classification • Presence of systemic symptoms when disease is found Roman numeral (I to IV) • Location and extent of disease Copyright © 2020 by Elsevier, Inc. All rights reserved. 226 Hodgkin’s Lymphoma: Nursing and Interprofessional Management (2 of 8) Management focuses on selecting a treatment plan Least amount to achieve cure Minimize short- and long-term complications Copyright © 2020 by Elsevier, Inc. All rights reserved. 227 Hodgkin’s Lymphoma: Nursing and Interprofessional Management (3 of 8) Combination chemotherapy Favorable early-stage disease, receive 2 to 4 cycles Unfavorable early stage, receive 4 to 6 cycles Advanced stage, receive 6 to 8 cycles Copyright © 2020 by Elsevier, Inc. All rights reserved. 228 Hodgkin’s Lymphoma: Nursing and Interprofessional Management (4 of 8) Involved site radiation as a supplement to chemotherapy varies depending on Extent of disease Presence of resistant disease after chemotherapy Response to therapy determined by PET/CT scans, other diagnostic tests Copyright © 2020 by Elsevier, Inc. All rights reserved. 229 Hodgkin’s Lymphoma: Nursing and Interprofessional Management (5 of 8) A variety of chemotherapy regimens and newer agents used to treat patients who have relapsed or refractory disease Once remission is obtained, a curative option may be intensive chemotherapy with the use of autologous or allogeneic HSCT Copyright © 2020 by Elsevier, Inc. All rights reserved. 230 Hodgkin’s Lymphoma: Nursing and Interprofessional Management (6 of 8) Therapy must be aggressive Potentially life-threatening problems are encountered in an attempt to achieve remission Maintenance chemotherapy does not contribute to increased survival after achieving complete remission Copyright © 2020 by Elsevier, Inc. All rights reserved. 231 Hodgkin’s Lymphoma: Nursing and Interprofessional Management (7 of 8) Secondary cancers Occur 10 years after treatment for Hodgkin’s lymphoma Most common secondary solid tumor cancers • Lung cancer • Breast cancer Copyright © 2020 by Elsevier, Inc. All rights reserved. 232 Hodgkin’s Lymphoma: Nursing and Interprofessional Management (8 of 8) Nursing care based on managing problems related to disease Pancytopenia Other side effects of therapy Address physical and spiritual consequences, fertility issues, long-term effects of therapy Copyright © 2020 by Elsevier, Inc. All rights reserved. 233 Case Study (26 of 29) What is staging and what does it mean? Copyright © 2020 by Elsevier, Inc. All rights reserved. 234 Non-Hodgkin’s Lymphoma (1 of 3) Broad group of cancers of immune system affecting all ages Primarily B-, T-, or NK- , histocytic and dendritic cells Over 75 types Copyright © 2020 by Elsevier, Inc. All rights reserved. 235 Non-Hodgkin’s Lymphoma (2 of 3) Categorized by Level of differentiation (maturity) Cell of origin Rate of cellular proliferation Immunophenotype (cell surface markers) Clinical features Copyright © 2020 by Elsevier, Inc. All rights reserved. 236 Non-Hodgkin’s Lymphoma (3 of 3) Most common subtypes in the United States are Diffuse large B-cell lymphoma Follicular lymphoma Marginal zone lymphoma Mantle cell lymphoma Peripheral T-cell lymphoma Copyright © 2020 by Elsevier, Inc. All rights reserved. 237 Non-Hodgkin’s Lymphoma Etiology and Pathophysiology (1 of 2) Unknown cause May result from Chromosomal translocations Infections Environmental factors Immunodeficiency states Copyright © 2020 by Elsevier, Inc. All rights reserved. 238 Non-Hodgkin’s Lymphoma Etiology and Pathophysiology (2 of 2) Most common in people who have Inherited immunodeficiency syndromes Have used immunosuppressive agents Received chemotherapy or radiation No hallmark feature All NHLs involve lymphocytes arrested in various stages of development Copyright © 2020 by Elsevier, Inc. All rights reserved. 239 Non-Hodgkin’s Lymphoma Clinical Manifestations (1 of 2) Widespread disease usually present at time of diagnosis Painless lymph node enlargement Primary clinical manifestation Lymphadenopathy can wax and wane Other symptoms depending on where disease is present Copyright © 2020 by Elsevier, Inc. All rights reserved. 240 Non-Hodgkin’s Lymphoma Involving the Spleen Copyright © 2020 by Elsevier, Inc. All rights reserved. 241 Non-Hodgkin’s Lymphoma Clinical Manifestations (2 of 2) Patients with high-grade lymphomas Lymphadenopathy B symptoms • Fever • Night sweats • Weight loss Copyright © 2020 by Elsevier, Inc. All rights reserved. 242 Non-Hodgkin’s Lymphoma Diagnostic and Staging Studies (1 of 3) Resemble those used for Hodgkin’s lymphoma Since NHL is more often extranodal MRI Lumbar puncture Bone marrow biopsy Barium enema or upper endoscopy Copyright © 2020 by Elsevier, Inc. All rights reserved. 243 Non-Hodgkin’s Lymphoma Diagnostic and Staging Studies (2 of 3) Staging guides therapy Precise histologic subtype through biopsy is extremely important Classified based on morphologic, genetic, immunophenotypic, and clinical features In early NHL, CBC may be normal Copyright © 2020 by Elsevier, Inc. All rights reserved. 244 Non-Hodgkin’s Lymphoma Diagnostic and Staging Studies (3 of 3) Treatment guided by Cell type Cytogenetic studies Clinical behavior • Indolent (low grade) • Aggressive (high grade) • Highly aggressive (very high grade) Copyright © 2020 by Elsevier, Inc. All rights reserved. 245 Non-Hodgkin’s Lymphoma: Nursing and Interprofessional Management (1 of 5) Treatment Chemotherapy Biotherapy Radiation therapy Sometimes phototherapy and topical therapy Copyright © 2020 by Elsevier, Inc. All rights reserved. 246 Non-Hodgkin’s Lymphoma: Nursing and Interprofessional Management (2 of 5) More aggressive lymphomas (diffuse large Bcell) are generally more responsive to treatment Indolent lymphomas are hard to effectively treat Copyright © 2020 by Elsevier, Inc. All rights reserved. 247 Case Study (27 of 29) N.L. is diagnosed with intermediate-grade, diffuse, large non-Hodgkin’s lymphoma. What is his primary treatment option? Copyright © 2020 by Elsevier, Inc. All rights reserved. 248 Non-Hodgkin’s Lymphoma: Nursing and Interprofessional Management (3 of 5) Hematopoietic stem cell transplant Rituximab (Rituxan) Monitor for symptoms of severe hypersensitivity infusion reactions • Especially with first infusion Ibritumomab tiuxetan (Zevalin) Copyright © 2020 by Elsevier, Inc. All rights reserved. 249 Non-Hodgkin’s Lymphoma: Nursing and Interprofessional Management (4 of 5) Use radiation precautions in caring for patients Teach patients about safety issues and how to minimize risk of radiation exposure to staff and others Copyright © 2020 by Elsevier, Inc. All rights reserved. 250 Case Study (28 of 29) What other treatments might N.L. receive? Copyright © 2020 by Elsevier, Inc. All rights reserved. 251 Non-Hodgkin’s Lymphoma: Nursing and Interprofessional Management (5 of 5) Complete remission is uncommon However, improvement in symptoms is expected in the majority of patients Copyright © 2020 by Elsevier, Inc. All rights reserved. 252 Non-Hodgkin’s Lymphoma Nursing Management (1 of 2) Largely based on managing problems related to disease, pancytopenia, and other side effects Must know about subtype and extent of disease Copyright © 2020 by Elsevier, Inc. All rights reserved. 253 Non-Hodgkin’s Lymphoma Nursing Management (2 of 2) Skin in radiation field requires special attention Psychosocial considerations Fertility concerns Copyright © 2020 by Elsevier, Inc. All rights reserved. 254 Case Study (29 of 29) What is the most important nursing care for N.L.? Copyright © 2020 by Elsevier, Inc. All rights reserved. 255 Multiple Myeloma Condition in which cancerous plasma cells proliferate in bone marrow and destroy bone Accounts for 1.8% of all cancers 1% of all hematologic cancers Occurs between ages of 65 and 74 Copyright © 2020 by Elsevier, Inc. All rights reserved. 256 Multiple Myeloma Etiology and Pathophysiology (1 of 2) Cause unknown Possible exposure to chemicals, herbicides, insecticides Viral infections Copyright © 2020 by Elsevier, Inc. All rights reserved. 257 Multiple Myeloma Etiology and Pathophysiology (2 of 2) Involves excess production of plasma cells Normal plasma cells make immunoglobulins to protect the body In multiple myeloma, plasma cells make monoclonal antibodies that are ineffective and even harmful Copyright © 2020 by Elsevier, Inc. All rights reserved. 258 Multiple Myeloma Clinical Manifestations (1 of 2) Develops slowly and insidiously Skeletal pain is major manifestation Pelvis, spine, and ribs Diffuse osteoporosis develops Osteolytic lesions seen in skull, vertebrae, long bones, ribs Compression of spinal cord, pathologic fractures Copyright © 2020 by Elsevier, Inc. All rights reserved. 259 Multiple Myeloma Clinical Manifestations (2 of 2) Calcium loss from bones causes hypercalcemia Leads to renal, GI, neurologic manifestations Serum hyperviscosity leads to cerebral, lung, renal, and other organ dysfunction Copyright © 2020 by Elsevier, Inc. All rights reserved. 260 Multiple Myeloma Diagnostic Studies Laboratory Radiologic M protein found in blood Pancytopenia Hypercalcemia MRI, PET, and CT scans Bone marrow examination Copyright © 2020 by Elsevier, Inc. All rights reserved. 261 Multiple Myeloma: Nursing and Interprofessional Management (1 of 4) Corticosteroids Chemotherapy Immunotherapy Targeted therapy HSCT Copyright © 2020 by Elsevier, Inc. All rights reserved. 262 Multiple Myeloma: Nursing and Interprofessional Management (2 of 4) Seldom cured, but treatment can relieve symptoms, produce remission, and prolong life Goals of management Control pain Prevent pathologic fractures Copyright © 2020 by Elsevier, Inc. All rights reserved. 263 Multiple Myeloma: Nursing and Interprofessional Management (3 of 4) Bisphosphonates Kyphoplasty Chemotherapy Corticosteroids Bortezomib and lenalidomide Bortezomib and cyclophosphamide Copyright © 2020 by Elsevier, Inc. All rights reserved. 264 Multiple Myeloma: Nursing and Interprofessional Management (4 of 4) Immunotherapy and targeted therapy Ambulation and adequate hydration Pain management Braces Assessment/ treatment of infections Psychosocial needs Copyright © 2020 by Elsevier, Inc. All rights reserved. 265