Chapter 47 Care of the Patient with a Blood or Lymphatic Disorder - Agranulocytosis - Leukemia - Coagulation Disorders - Platelet Disorders - Thrombocytopenia - Clotting Factor Defects - Hemophilia Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 1 Disorders of the Hematological and Lymphatic Systems • Agranulocytosis Etiology/pathophysiology • Severe reduction in the number of granulocytes Basophils, eosinophils, neutrophils • WBC extremely low – leukopenia Neutrophil count is < 200/mm3 – neutropenia o Normal = 3000 to 7000/mm3 • Causes of agranulocytosis Medications adverse reaction or toxicity primary cause Chemotherapy Radiation Neoplastic disease Viral and bacterial infections Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 2 Disorders of the Hematological and Lymphatic Systems • Agranulocytosis Etiology/pathophysiology • Suppression of bone marrow reduces the number and production of WBC • Leukocytes from bone marrow provide body protection against microorganisms • Protection is ineffective when bone marrow suppression has occured Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 3 Disorders of the Hematological and Lymphatic Systems • Agranulocytosis (continued) Clinical manifestations/assessment • Symptoms of infection Fever, headache, chills, fatigue • Ulcerations of mucous membranes Mouth, nose, pahrynx, vagina, rectum • Bronchial pneumonia • Urinary tract infection Assessment • Subjective data Note common complaints of fever, extreme fatigue, prostration Meds taken, OTC & prescription may cause condition Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 4 Disorders of the Hematological and Lymphatic Systems • Agranulocytosis (continued) Assessment • Objective data Fever over 100.6º F Erythema and pain from ulcers Ulcers are cultured Lung and bronchial auscultations reveals crackles and ronchi due to trapped exudates Causative chemical agents: o Analgesics (Butazolidin), antibiotics (chloramphenicol, penicillin derivatives, cephalosporins), antiepileptics (phenytoin), antihistamines, antineoplastic drugs (vincristine), antithyroid (PTU), diuretics, phenothiazides (thorazine, prolixin, sparine, compazine), Sulfonamides and derivatives Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 5 Disorders of the Hematological and Lymphatic Systems • Agranulocytosis (continued) Diagnostic Tests • Leukocytes with neutrophil differential < normal • Bone marrow study Medical management/nursing interventions • • • • • • • Remove cause of bone marrow depression Prevent or treat infections Blood and ulceration cultures PRBCs for transfusion G-CSF (filgrastim [Neupogen]) subQ for neutropenia Meticulous hand washing Strict asepsis Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 6 Disorders of the Hematological and Lymphatic Systems • Agranulocytosis (continued) Nursing Interventions • Directed at protecting the patient from infection • Meticulous hand washing • Strict asepsis Patient Teaching • Discuss frequent, thorough oral hygiene Treat or prevent mouth and pharyngeal infection • Explain need for soft, bland diet high in protein, vitamins and calories • Balanced rest and activity to prevent fatigue and malaise • Avoid crowds, people with infectious diseases, and cold or hot environments; • Teach S/Sx of infection and its intervention Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 7 Disorders of the Hematological and Lymphatic Systems • Agranulocytosis (continued) Prognosis • A potentially fatal condition due to possibility of a lifethreatening bacterial infection Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 8 Disorders of the Hematological and Lymphatic Systems • Leukemia Etiology/pathophysiology • Malignant disorder of the hematopoietic system • Excess leukocytes accumulate in the bone marrow and lymph nodes • Cause unknown Attributed to genetic origin, virus, previous radiation treatment, chemotherapeutic agent toxic to bone marrow • Marrow is replaced by white cells with abnormal numbers and forms of immature cells found in circulation and infiltrated into lymph nodes, spleen, liver • Increased WBCs lead to infiltration and damage to BM, lymph nodes, spleen, and organs Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 9 Disorders of the Hematological and Lymphatic Systems • Leukemia Etiology/pathophysiology – cont’d • Leukemic infiltration leads to: Hepatomegaly, splenomegaly, lymphadenopathy, bone pain, meningeal irritation, and oral lesion Hematopoietic function is disturbed by incompetent BM o Increased susceptability to infection Classification • Acute or chronic • Proliferating cells (lymphocytic, monocytic, etc.) • Types of leukocyte involved Myelogenous or lymphocytic origin • Four major types of leukemia ALL, AML, CML, CLL Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 10 Disorders of the Hematological and Lymphatic Systems • Leukemia (continued) Clinical manifestations/assessment • BM failures results from: 1. BM overcrowding by abnormal cells 2. inadequate production of normal marrow elements • Anemia • Thrombocytopenia; leukopenia • Leukemic cells infiltrate Organs leading to splenomegaly, hepatomegaly, lymphadenopathy, bone pain, meningeal irritation, oral lesions Enlarged lymph nodes and painless splenomegally first sign of disease in some Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 11 Disorders of the Hematological and Lymphatic Systems • Leukemia (continued) Diagnostic Tests • • • • • • WBC is low, elevated, or excessively elevated Anemia and thrombocytopenia BM biopsy shows immature leukocytes CXR shows mediastinal node and lung involvement Node biopsy shows excessive blasts (immature cells) Peripheral blood evaluation and bone marrow examination are primary methods of diagnosing and classifying type of leukemia • Lumbar puncture and CT scan are done to determine presence of leukemic cells outside of blood and BM Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 12 Disorders of the Hematological and Lymphatic Systems • Leukemia (continued) Assessment • Subjective Data Complaints regarding symptoms that may seem unrelated at first Pain in bones or joints is noticed Fatigue, malaise, decreased activity tolerance, irritability • Objective Data Infections are common Occult blood is detected in urine and stool Skin abnormalities o Petechiae and ecchymoses Mucous membrane abnormalities o bleeding Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 13 Disorders of the Hematological and Lymphatic Systems • Leukemia (continued) Medical management • Goal is achieve remission or control symptoms • Treatment is aimed at eradicating leukemia with: Chemotherapy (mainstay for treatment); radiation Bone marrow transplant • Three purposes for using multiple drugs 1. decrease drug resistance 2. minimize drug toxicity to patient by using multiple drugs with varying toxicities 3. interrupt cell growth at multiple points in cell cycle • BM and stem cell transplantation selected as treatment of choice in patients with suitable donors if the initial remission of acute leukemia has been induced Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 14 Disorders of the Hematological and Lymphatic Systems • Leukemia (continued) Medical management • Chronic leukemia Occurs almost exclusively in adults and develops slowly, the desired objectives depend of kind of cells involved • Medications: Leukeran, hydroxyurea, corticosteroids, Cytoxan Not curative but prolongs life • Lymph node radiation is used and blood transfusion is given for anemia Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 15 Disorders of the Hematological and Lymphatic Systems • Leukemia (continued) Nursing Interventions and Patient Teaching • • • • • Prevention of infection and avoid infectious agents Leukopenia (< 5000 cells/mm3) can be fatal Throbocytopenia induced hemorrhage is life threatening Pain is controlled through analgesia Support of patient and family promoted through a positive nurse-patient-family relationship and referral to community support groups • Nurses have contact with patient 24 hrs/day Help reverse feelings of abandonment and loneliness by balancing the demanding technical needs with a humanistic, caring approach Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 16 Disorders of the Hematological and Lymphatic Systems • Leukemia (continued) Nursing Interventions • Physical care perspective Nurse are challenged to make astute assessments and plan care to help patient survive the severe side effects of chemotherapy Nurse must be knowledgeable about all drugs o MOA, purpose, routes of administration, dose, S/E o Know how to assess laboratory data reflecting drug effects Patient survival and comfort during aggressive chemotherapy are significantly affected by quality of nursing intervention Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 17 Disorders of the Hematological and Lymphatic Systems • Leukemia (continued) Nursing Interventions • Procedures, meaning of treatments, and care plans are discussed by nurse and patient • Community resources for support and information are invaluable for education of patient and family • Continuation of medical regimen is encouraged • Avoidance of situations in which infection is transmitted • Medication and diet are discussed Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 18 Disorders of the Hematological and Lymphatic Systems • Prognosis Chemotherapy has improved the prognosis of children with ALL • Untreated median survival is 4 to 6 months • Treatment with vincristine and prednisone and anthracycline drug (daunorubicin and doxorubicin), the median survival is 5 years • 50% of children with ALL can be cured • AML, remission is achieved in 75% • 20 to 25% of adults with AML has 5 year remission Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 19 Disorders of the Hematological and Lymphatic Systems • Coagulation Disorders Etiology/Pathophysiology • Release of blood from vascular system is due to: Trauma or vessel damage, vessel inadequacy, disturbance of function of platelets or clotting factors, or liver disease (impaired clotting mechanism) • Clotting mechanism is a hemostatic chain reaction Vasoconstriction inhibits capillary leakage Hematoma compression provides pressure Body reaction occurs: arterial BP lowers Disruption in mechanism leads to hemorrhage Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 20 Disorders of the Hematological and Lymphatic Systems • Coagulation Disorders Clinical Manifestations • Petichiae and ecchymoses • Epistaxis and gingival bleeding • Circulatory hypovolemia is noted through hypotension: Pallor, cold, clammy skin and tachycardia • GI bleeding with flank pain • CNS involvement Altered response and malaise to loss of consciousness or affected speech Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 21 Disorders of the Hematological and Lymphatic Systems • Coagulation Disorders Assessment • Subjective Data Note history of bleeding after surgical or dental procedure Exposure to toxic or hazardous agents or to radiation Headache, extremity pain and numbness Medications (i.e. aspirin) • Objective Data Pain on abdominal pressure o Reveals spleen or liver tenderness and enlargement Look for petechiae, ecchymoses, hematoma Examination of emesis an stool may show signs of bleeding Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 22 Disorders of the Hematological and Lymphatic Systems • Coagulation Disorders Diagnostic Tests • • • • Platelet count is low RBC is low with decreased Hgb level Altered coagulation time BM shows abnormal cells Medical Management • Underlying cause is assessed and corrected • Heparin therapy and toxicity is considered as a cause • Infections and complications are treated and prevented Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 23 Disorders of the Hematological and Lymphatic Systems • Coagulation Disorders Nursing Interventions • Nurse should monitor VS to note any signs of hypovolemic shock • Patient is moved gently to prevent trauma to tissues • Nurse will monitor IV infusions and transfusions as ordered Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 24 Disorders of the Hematological and Lymphatic Systems • Thrombocytopenia Etiology/pathophysiology • Deficiency of number of circulating platelets or change in function of platelets alters the coagulation process • Condition in which the number of platelets is reduced below 150,000/mm3; may be due to decreased production or decreased survival Aplastic anemia, leukemia, tumors, chemotherapy • Decreased platelet survival occurs in: Presence of antibody destruction, infection, viral invasion • Increased platelet destruction occurs in DIC • Splenomegaly is due to entrapment of blood in spleen Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 25 Disorders of the Hematological and Lymphatic Systems • Thrombocytopenia Etiology/pathophysiology • Thrombocytopenic purpura Most common cause of increased destruction of platelets Drug induced or immune throbocytopenic purpura (ITP) • ITP Most common acquired thrombocytopenia Syndrome of abnormal destruction of circulating platelets Autoimmune disease Platelets are coated with Ab and when they reach the spleen they are destroyed by macrophages • Medication induced Platelet returns to normal 1 to 2 weeks after the medication is withdrawn Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 26 Disorders of the Hematological and Lymphatic Systems • Thrombocytopenia Etiology/pathophysiology • Acute ITP is mostly in children • Chronic ITP is most common in women 20 to 40 y/o • It is an autoimmune process caused by production of an autoantibody (IgG) directed against a platelet antigen Clinical Manifestations • Major signs are petichiae and ecchymoses on skin • Petichiae only occurs in platelet disorder • < 100,000/mm3 risk of bleeding from mucous membranes and in cutaneous sites and internal organ increases • < 20,000/mm3 is significant risk for serious bleeding • < 5000/mm3 leads spontaneous, fatal CNS or GI bleed Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 27 Disorders of the Hematological and Lymphatic Systems • Thrombocytopenia Assessment • Subjective Data Ask patient about o Recent viral infections (produce transient thrombocytopenia) o Medications in current use o Extent of alcohol ingestion • Objective Data Observe for petichiae and ecchymoses Epistaxis and gingival bleeding Signs of increased ICP due to cerebral hemorrhage Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 28 Disorders of the Hematological and Lymphatic Systems • Thrombocytopenia Diagnostic Tests • Complete lab studies Platelet count, peripheral blood smear, bleeding time • Bone marrow aspiration to determine presence of immature platelets Medical Management • Primary treatment are corticosteroid therapy and splenectomy Ability to suppress phagocytic response of splenic macrophages • IV Ig or immunosuppressive drugs • Platelet transfusions Recommended when count is < 20,000/mm3 unless actively bleeding • Plasmapheresis is used to treat ITP by removing Ab produced y autoimmune process Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 29 Disorders of the Hematological and Lymphatic Systems • Thrombocytopenia Nursing Interventions and Patient Teaching • Medication toxicity is the cause then D/C meds • Infections are prevented by meticulous asepsis and gentle handling of patient • Monitor plasma and platelet infusion and whole blood transfusion for reaction and effects on condition • Instructions on S/Sx and preventive measures are given: • Avoid trauma, use stool softeners, high fiber diet, check for presence of blood, use soft tooth brush, gently blow nose • Stress the importance to notify physician for signs and symptoms of bleeding Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 30 Disorders of the Hematological and Lymphatic Systems • Thrombocytopenia Prognosis • ITP Treatment is administered 3 to 4 weeks before a complete response is seen • Chronic ITP Transient remissions occur o 80% benefit from splenectomy resulting in complete or partial remission Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 31 Disorders of the Hematological and Lymphatic Systems • Thrombocytopenia Clinical manifestations/assessment • • • • Petechiae Ecchymoses Platelets below 100,000/mm3 Bleeding from mucous membranes Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 32 Disorders of the Hematological and Lymphatic Systems • Thrombocytopenia (continued) Medical management/nursing interventions • • • • • • Corticosteriod therapy Splenectomy Gamma globulin Immunosuppressive drugs Platelet transfusions Avoid trauma Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 33 Disorders of the Hematological and Lymphatic Systems • Hemophilia Etiology/pathophysiology • Hereditary coagulation disorder, characterized by a disturbance of clotting factor • Hemophilia A 85% of total incidence, antihemophillic factor VIII is absent which is essential in converting prothrombin to thrombin • Hemophilia B (Christmas disease Deficiency in Factor IX, absence of plasma thromboplastin component leading to non formation of thromboplastin • X-linked hereditary trait affects mainly males, females are carriers Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 34 Disorders of the Hematological and Lymphatic Systems • Hemophilia Etiology/pathophysiology – cont’d • Decrease in formation of prothrombin activators occurs as a result of decrease in clotting factors • In the past, they were high risk for HIV infection • Hemophilia A people developed AIDS due to transfussion of factor VIII concentrate • Heat treatment of Factor VIII destroys the virus Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 35 Disorders of the Hematological and Lymphatic Systems • Hemophilia Clinical manifestations/assessment • Internal and external bleeding • Hemarthrosis Bleeding into joints is a hallmark of a severe disease o Occurs in knees, ankles and elbow Pain, edema, erythema, and fever occurs • Excessive blood loss from small cuts and dental procedures • Pain from hemorrhage damage Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 36 Disorders of the Hematological and Lymphatic Systems • Hemophilia Assessment • Subjective Data Incidents of ecchymoses and hemorrhage from slightest trauma Pain with joint motion • Objective Data Note blood in subcutaneous tissues, urine, or stool Note edematous or immobile joints Diagnostic Tests • Factors VIII and IX are absent/deficient • Normal platelet count, BT, PT, INR • PTT is prolonged Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 37 Disorders of the Hematological and Lymphatic Systems • Hemophilia (continued) Medical management • Prevent and treat bleeding and relive pain are the focus • Transfusion and administration of Factor VIII and IX For prophylaxis and to stop hemorrhage Cryoprecipitate o Clotting factor concentrate rich in factor VIII o Risk of viral disease transmission Factor VIII concentrate o Typically used • Genetic engineering Recombinant factor VIII is advatageous because of: o Viral safety, unlimited supply, lower cost Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 38 Disorders of the Hematological and Lymphatic Systems • Hemophilia (continued) Medical management • Minimize bleeding—avoid trauma • Relieve pain—no aspirin • Transfusions Factor VIII or IX concentrate Cryoprecipitate (rich in factor VIII) Manufactured factor VIII or IX Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 39 Disorders of the Hematological and Lymphatic Systems • Hemophilia (continued) Nursing Interventions and Patient Teaching • Nurse will control bleeding in emergency situation by applying pressure and cold to the site • Monitor transfusion of factor VIII • Supportive care measures Pain management and genetic counseling • Not given aspirin • Nurse and patient should discuss avoiding injury and controlling bleeding • Avoid trauma • Supervision of young patient and inform playmates, teachers and others Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 40 Disorders of the Hematological and Lymphatic Systems • Hemophilia (continued) Nursing Interventions and Patient Teaching • Emergency care treatment Immobilizing affected part, applying ice, notify physician • Discuss diet to prevent obesity, which put excess pressure on joints • Regular dental care and preventive dental and medical measures • Discuss overprotection Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 41 Disorders of the Hematological and Lymphatic Systems • Hemophilia (continued) Prognosis • Hemophiliacs who received clotting factor concentrates before 1984 became seropositive for HIV • Now, risk of contracting HIV from clotting factor concentrate is almost nil • Average life span is near normal • END!!! Copyright © 2007 by Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved. Slide 42