Musculoskeletal Copyright © 2020 by Elsevier, Inc. All rights reserved. Osteoarthritis Copyright © 2020 by Elsevier, Inc. All rights reserved. 2 Osteoarthritis (OA) • Slowly progressive noninflammatory disorder of the diarthrodial joints • 30 million Americans affected • Numbers expected to increase as population ages • More common in women • Especially hand OA and knee OA (after menopause) • Most men affected by 70 to 80 years, except for traumatic arthritis • Hip OA more common Copyright © 2020 by Elsevier, Inc. All rights reserved. 3 Etiology and Pathophysiology • Gradual loss of articular cartilage • Formation of osteophytes at joint margins • Not normal part of aging process • Cartilage destruction • • • • Begins between ages 20 and 30 Most adults affected by age 40 Symptoms manifest after age 50 to 60 More than 50% over age 65 have x-ray evidence of OA in at least 1 joint Copyright © 2020 by Elsevier, Inc. All rights reserved. 4 Pathologic Changes in OA (Fig. 64-1) Copyright © 2020 by Elsevier, Inc. All rights reserved. 5 Manifestations: Joints • Joint pain – (Pain with movement) Primary symptom ranging from mild discomfort to significant disability Pain worsens with joint use • Early stages: rest relieves pain • Later stages: pain with rest and trouble sleeping due to increased joint pain Pain may worsen with lower barometric pressure Copyright © 2020 by Elsevier, Inc. All rights reserved. 6 Manifestations: Joints 7 • Joint stiffness occurs after periods of rest or unchanged position • Early morning stiffness usually resolves within 30 minutes • Distinguishes from rheumatoid arthritis • Overactivity leads to mild joint effusion, temporarily increasing stiffness • Crepitation (grating sensation) • OA affects joints asymmetrically • Assess infection risk, thinning skin, and elevated BGL for all patients on steroids Copyright © 2020 by Elsevier, Inc. All rights reserved. Manifestations: Joints 8 • Joints most affected by OA Hips Knees Metatarsophalangeal (MTP) Cervical vertebrae Lumbar vertebrae Distal interphalangeal (DIP) Proximal interphalangeal (PIP) • Metacarpophalangeal (MCP) • • • • • • • Copyright © 2020 by Elsevier, Inc. All rights reserved. Fig. 64-2 Manifestations: Deformity • Specific to joint involved • Heberden’s nodes: DIP (see slide 19) • Bouchard’s nodes: PIP • Appear red, swollen, and tender • Varus deformity (bowlegged): medial knee • Valgus deformity (knock-kneed): lateral knee • One leg shorter than the other: hip Copyright © 2020 by Elsevier, Inc. All rights reserved. 9 Heberden’s nodes (Fig. 64-1D) Copyright © 2020 by Elsevier, Inc. All rights reserved. 10 Interprofessional Care Nutritional Therapy and Exercise If overweight, weight-reduction critical Dietary changes as needed Exercise Aerobic Range of motion Muscle strengthening Copyright © 2020 by Elsevier, Inc. All rights reserved. 11 Ambulatory Care Home and work environment modification Eliminate scatter rugs; use railings and night lights Wear well-fitting support shoes Assistive devices • Canes, walkers, elevated toilet seats, grab bars • CANE – “COAL” Cane Opposite Effected Leg • Always lead with effected leg and device Copyright © 2020 by Elsevier, Inc. All rights reserved. 12 Osteoporosis Weakening of the bones Hallmark sign is frequent fractures / breaks Patients will gradually lose height Runs in families, assess genetic risk Bone scans and Dual-energy x-ray absorptiometry (DXA) to assess extent Copyright © 2020 by Elsevier, Inc. All rights reserved. 13 Rheumatoid Arthritis Copyright © 2020 by Elsevier, Inc. All rights reserved. 14 Rheumatoid Arthritis (RA) • Chronic, systemic autoimmune disease; inflammation of connective tissue in diarthrodial (synovial) joints • Periods of remission and exacerbation • Extraarticular manifestations • Disabling form of arthritis causing loss of independence and self-care • Mobility aids or joint reconstruction may be needed if treatment inadequate • Teach to use cold packs prior to exercise to decrease pain 15 Rheumatoid Arthritis Fig. 64-3 16 Manifestations: Joints • Onset typically subtle • Fatigue, anorexia, weight loss, generalized stiffness that becomes localized stiffness with progression • May report history of precipitating stressful event • Infection, stress, exertion, childbirth, surgery, emotional upset • No direct correlation found in research Copyright © 2020 by Elsevier, Inc. All rights reserved. 17 Typical Deformities of Rheumatoid Arthritis (Fig. 64-4) 18 Extraarticular Manifestations 19 • Sjögren’s syndrome • Dry, gritty eyes and photosensitivity • Felty syndrome • Enlarged spleen and low WBCs result in increased risk of infection and lymphoma • Flexion contractures • Decreased self-care • Depression • Pain and disability • Increased C-reactive protein levels Copyright © 2020 by Elsevier, Inc. All rights reserved. Drug Therapy: DMARDs 20 • Methotrexate • Early treatment • Lower toxicity • Side effects (rare): bone marrow suppression and hepatotoxicity • Need to monitor CBC and blood chemistry • Therapeutic effects in 4 to 6 weeks; may be given alone or with biologic response modifiers Copyright © 2020 by Elsevier, Inc. All rights reserved. Drug Therapy: DMARDs • Sulfasalazine (Azulfidine) and hydroxychloroquine (Plaquenil) • Used for mild to moderate disease • Drink fluids • Wear sunscreen • Eye exam: baseline, then every 6 to 12 months Copyright © 2020 by Elsevier, Inc. All rights reserved. 21 Other Drug Therapy • Corticosteroid therapy • Intraarticular injections • Low-dose oral for limited time • Complications: osteoporosis and avascular necrosis • NSAIDs and salicylates • Treat pain and inflammation • May take 2 to 3 weeks for full effectiveness • Celecoxib (Celebrex): COX-2 inhibitor • Non-aspirin NSAIDs increase risk of blood clots, heart attack, and stroke Naproxen = NSAID – Nephrotoxic and GI Irritation 22 Ambulatory Care Rest • Alternate rest periods with activity • Helps relieve pain and fatigue • Amount of rest varies • Avoid total bed rest • 8 to 10 hours of sleep plus daytime rest • Modify activities to avoid overexertion Copyright © 2020 by Elsevier, Inc. All rights reserved. 23 Ambulatory Care: Cold and Heat Therapy and Exercise • Relieve pain, stiffness, and muscle spasm • Cold • Especially beneficial during periods of disease activity • Application should not exceed 10 to 15 minutes at one time • Bags of frozen vegetables, ice Copyright © 2020 by Elsevier, Inc. All rights reserved. 24 Ambulatory Care: Cold and Heat Therapy and Exercise 25 • Moist heat • Relieve chronic stiffness • Should not exceed 20 minutes at a time • Heating pads, moist hot packs, paraffin baths, warm baths, or showers • Do not use with topical heat-producing cream • Be alert for burn potential Copyright © 2020 by Elsevier, Inc. All rights reserved. Ambulatory Care: Cold and Heat Therapy and Exercise • Gentle ROM exercises done daily to keep joints functional • Aquatic exercises in warm water beneficial • Limit to one or two repetitions during acute inflammation Copyright © 2020 by Elsevier, Inc. All rights reserved. 26 Ambulatory Care: Cold and Heat Therapy and Exercise • Gentle ROM exercises done daily to keep joints functional • Aquatic exercises in warm water beneficial • Limit to one or two repetitions during acute inflammation Copyright © 2020 by Elsevier, Inc. All rights reserved. 27 Gout Copyright © 2020 by Elsevier, Inc. All rights reserved. 28 Gout • Incidence in United States greater than 8 million • Men three times more than women • Develops in men age 30 to 50 • Women rarely have gout before menopause Copyright © 2020 by Elsevier, Inc. All rights reserved. 29 Gout: Etiology and Pathophysiology • Uric acid is the end product of purine metabolism; excreted by kidneys • Gout occurs if kidneys can’t excrete enough or if too much is being made • Primary hyperuricemia: genetic • Secondary hyperuricemia: increased production, decreased excretion, or drugs that inhibit uric acid excretion; organ transplant recipients getting immunosuppressants also at risk Copyright © 2020 by Elsevier, Inc. All rights reserved. 30 Gout: Etiology and Pathophysiology (2 of 2) • Caused by interaction of factors • Metabolic syndrome • Increased intake of high purine foods • Prolonged fasting • Excessive alcohol • Two processes must occur • Crystallization • Inflammation • Phagocytosis causes increased inflammation and tissue damage Copyright © 2020 by Elsevier, Inc. All rights reserved. 31 Clinical Manifestations • One or more joints (usually less than 4) • Most common is the great toe (podagral) • Other: wrists, knees, ankles, midfoot, olecranon bursae • Dusky or cyanotic • Very tender • Triggers: trauma, surgery, alcohol, or systemic infection Copyright © 2020 by Elsevier, Inc. All rights reserved. 32 Tophi of Chronic Gout (Fig. 64-6) Copyright © 2020 by Elsevier, Inc. All rights reserved. 33 Diagnostic Studies • Serum uric acid higher than 6 mg/dL • 24-hour urine for uric acid • Synovial fluid aspiration • Clinical symptoms • X-ray of affected joint 34 Interprofessional and Nursing Management • Drug therapy • Prevention • Allopurinol (Zyloprim or Aloprim) or febuxostat (Uloric) • Probenecid—uricosuric: increase urinary excretion of uric acid; must avoid aspirin • Lesinurad (Zurampic): uricosuric (new) • Duzallo—combination lesinurad and allopurinol Copyright © 2020 by Elsevier, Inc. All rights reserved. 35 Interprofessional and Nursing Management: Gout • Monitor serum uric acid regularly • Dietary restrictions • Limit alcohol and food high in purine • Adequate urine volume • Weight reduction • Nursing interventions • Supportive care of inflamed joint • Assess motion limitations and pain Copyright © 2020 by Elsevier, Inc. All rights reserved. 36 Lyme Disease Copyright © 2020 by Elsevier, Inc. All rights reserved. 37 Lyme Disease • Borrelia burgdorferi infection transmitted by deer tick bite • Most common vector-borne disease in United States; 7.9 cases per 100,000 people • No person-person transmission • Summer is time of peak transmission • Three areas in United States • Northeast: Maryland to Massachusetts • Midwest: Wisconsin and Minnesota • Northwest coast: California and Oregon • Reinfection common Copyright © 2020 by Elsevier, Inc. All rights reserved. 38 Manifestations • Characteristic: erythema migrans (EM) • Bull’s eye rash (see slide 136)—occurs in 80% • Appears within 1 month of exposure • May occur elsewhere on body with disease progression • Central red macule or papule expanding to outer red ring up to 12 in • Warm to touch; not itchy or painful • Occurs with acute flu-like symptoms: • Low-grade fever, headache, neck stiffness, fatigue, loss of appetite, migratory joint, and muscle pain • Resolve over weeks to months, even without treatment Copyright © 2020 by Elsevier, Inc. All rights reserved. 39 Erythema Migrans (EM) (Fig. 64-7) Copyright © 2020 by Elsevier, Inc. All rights reserved. 40 Manifestations • Without treatment can spread to heart, joints, and CNS • Arthritis: second most common symptom • 60% get chronic arthritic pain; knee • Cardiac: heart block and pericarditis • Neurologic: Bell’s palsy • Other: short-term memory loss, cognitive impairment, shooting pains, numbness, and tingling in feet Copyright © 2020 by Elsevier, Inc. All rights reserved. 41 Septic Arthritis Copyright © 2020 by Elsevier, Inc. All rights reserved. 42 Septic Arthritis • Infectious or bacterial arthritis • Microorganism invades joint cavity • Hematogenous spread, trauma or surgical incision • Most common: Staphylococcus aureus • Risk factors: • Diseases with decreased host resistance • Corticosteroid or immunosuppressant therapy • Debilitating chronic illness • Gonorrhea is a common cause, assess sexual risk factors and causes 43 Septic Arthritis • Most affected joints: knee and hip • Symptoms: severe pain, redness, and swelling; fever, shaking chills • Hip: avascular necrosis • Diagnosis: • • • • Arthrocentesis (joint aspiration) Synovial fluid culture WBC count Blood cultures Copyright © 2020 by Elsevier, Inc. All rights reserved. 44 Spondyloarthropathie s Copyright © 2020 by Elsevier, Inc. All rights reserved. 45 Spondyloarthropathies • Group of multisystem inflammatory disorders affecting the spine, peripheral joints and periarticular structures. • Includes: ankylosing spondylitis, psoriatic arthritis, and reactive arthritis • Seronegative arthroplasties are RF negative • Genetic and environmental factors • HLA-B27 associated with these diseases Copyright © 2020 by Elsevier, Inc. All rights reserved. 46 Ankylosing Spondylitis • Chronic inflammatory disease that primarily affects axial skeleton • Sacroiliac joints, intervertebral disc spaces, and costovertebral articulations • Onset: 30’s or adolescence • Men three times greater than women • Women have milder course; undetected • Straight leg Raising test – Raise the pts leg to 60 degrees from the side of the bed to assess spinal herniation Copyright © 2020 by Elsevier, Inc. All rights reserved. 47 Clinical Manifestations 48 • Inflammatory spine pain is first sign • Low back pain, stiffness, and limitation of motion that is worse in morning and night; improves with mild activity • Uveitis may present before arthritic symptoms • Chest pain and sternal/costal tenderness • Postural abnormalities and deformities (see slide 151) Advanced ankylosing spondylitis Copyright © 2020 by Elsevier, Inc. All rights reserved. Fig. 64-8 49 Systemic Lupus Erythematosus (SLE) Copyright © 2020 by Elsevier, Inc. All rights reserved. 50 Systemic Lupus Erythematosus • Multisystem inflammatory autoimmune disease • Complex multifactorial disorder • • • • Genetic Hormonal Environmental Immunologic Copyright © 2020 by Elsevier, Inc. All rights reserved. 51 Systemic Lupus Erythematosus • Affects • Skin • Joints • Serous membranes • Pleura • Pericardium • Renal system • Hematologic system • Neurologic system Copyright © 2020 by Elsevier, Inc. All rights reserved. 52 Butterfly Rash of SLE (Fig. 64-10) Copyright © 2020 by Elsevier, Inc. All rights reserved. 53 Clinical Manifestations and Complications • Musculoskeletal problems • Polyarthralgia with morning stiffness • Diffuse swelling • Arthritis • Swan neck deformity in fingers • Ulnar deviation • Subluxation with hyperlaxity of joints • Increased risk of bone loss and fracture Copyright © 2020 by Elsevier, Inc. All rights reserved. 54 Swan Neck Deformity (Fig. 64-4D) Copyright © 2020 by Elsevier, Inc. All rights reserved. 55 Nursing Implementation 56 • Lupus and Pregnancy • SLE common in women of childbearing age; pregnancy/treatment during pregnancy must be addressed • Infertility may have occurred from renal involvement, high-dose corticosteroids, and immunosuppressive drugs • Spontaneous abortion, stillbirth, and intrauterine growth retardation are common Copyright © 2020 by Elsevier, Inc. All rights reserved. Scleroderma Copyright © 2020 by Elsevier, Inc. All rights reserved. 57 Scleroderma (Systemic sclerosis) • Connective tissue disorder characterized by fibrotic, degenerative, and sometimes, inflammatory changes in the skin, blood vessels, synovium, skeletal muscle, and internal organs Copyright © 2020 by Elsevier, Inc. All rights reserved. 58 Scleroderma • Types: • Localized: more common, better prognosis. Skin changes limited to few places; does not involve trunk or internal organs • Systemic: rapidly progressive skin and connective tissue changes with internal organ involvement Copyright © 2020 by Elsevier, Inc. All rights reserved. 59 Scleroderma Etiology and Pathophysiology • Exact cause unknown; believed to develop due to immunologic and vascular abnormalities • Overproduction of collagen (see Fig. 64-11 in the textbook) causes progressive tissue fibrosis and blood vessel occlusion • Disrupts function of lungs, kidneys, heart, and GI tract • Vascular problems involving the small arteries and arterioles occur early Copyright © 2020 by Elsevier, Inc. All rights reserved. 60 Sclerodactyly in the Hand (Fig. 64-12) Copyright © 2020 by Elsevier, Inc. All rights reserved. 61 Clinical Manifestations • Internal organ involvement • Sjögren’s syndrome: dry eyes and mouth; 20% with systemic disease • Dysphagia, gum disease and dental decay • Esophageal fibrosis can cause gastric acid reflux • Hypomotility of esophagus and dysphagia can lead to decreased food intake and weight loss • Constipation from colonic hypomotility • Diarrhea due to bacterial overgrowth Copyright © 2020 by Elsevier, Inc. All rights reserved. 62 Polymyositis and Dermatomyositis Copyright © 2020 by Elsevier, Inc. All rights reserved. 63 Polymyositis (PM) and Dermatomyositis (DM) • Polymyositis: diffuse, idiopathic, inflammatory myopathy of striated muscle • Dermatomyositis: muscle changes of polymyositis with skin changes • Rare disorders • Affect adults older than 20 years • Women two times more than men Copyright © 2020 by Elsevier, Inc. All rights reserved. 64 PM and DM • Clinical manifestations and complications • Muscular • Weight loss • Fatigue • Muscle weakness in the shoulders, legs, arms, and pelvic girdle • Difficulty performing routine activities and repetitive movements • Unable to move against resistance or gravity • Dysphagia and dysphonia due to weak pharyngeal muscles Copyright © 2020 by Elsevier, Inc. All rights reserved. 65 Mixed Connective Tissue Disease • Combination of clinical features of several rheumatic diseases • SLE, scleroderma, and PM • Affects women in 20s to 30s • Overlap syndrome Copyright © 2020 by Elsevier, Inc. All rights reserved. 66 Sjögren’s Syndrome • Common autoimmune disease that targets moisture-producing exocrine gland • Xerostomia and keratoconjunctivitis sicca • Other glands in stomach, pancreas, and intestines • Affects people over age 40 • Women 10 times more than men Copyright © 2020 by Elsevier, Inc. All rights reserved. 67 Sjögren’s Syndrome 68 • Primary Sjögren’s syndrome • Lacrimal and salivary symptoms • 20% to 40% also have lung, liver, kidneys, and skin involvement • Increased risk for non-Hodgkin’s lymphoma • Etiology: genetic and environmental • Genes: Whites; Japanese, Chinese, African American • Trigger: viral or bacterial infection; lymphocytes attack lacrimal and salivary glands Copyright © 2020 by Elsevier, Inc. All rights reserved. Sjögren’s Syndrome • Manifestations • Dry eyes: burning, blurred vision, photosensitivity • Dry mouth: buccal fissures, change in taste, dysphagia, mouth infections, dental decay • Other: dry skin, rashes, joint and muscle pain, and thyroid problems (e.g., Grave’s disease and Hashimoto’s thyroiditis) Copyright © 2020 by Elsevier, Inc. All rights reserved. 69 Myofascial Pain Syndrome Copyright © 2020 by Elsevier, Inc. All rights reserved. 70 Myofascial Pain Syndrome • Chronic muscle pain and tenderness • Chest, neck, shoulders, hips, and lower back • Referred pain to: • Buttock, hand, and head • Can cause temporomandibular joint (TMJ) pain • Occurs most with middle-aged adults and women Copyright © 2020 by Elsevier, Inc. All rights reserved. 71 Myofascial Pain Syndrome (3 of 3) • Treatment • Physical therapy • “Spray and stretch” method—painful area is iced or sprayed with a coolant and then stretched • Topical patches • Trigger point injections • Massage, acupuncture, biofeedback, ultrasound Copyright © 2020 by Elsevier, Inc. All rights reserved. 72 Fibromyalgia Copyright © 2020 by Elsevier, Inc. All rights reserved. 73 Fibromyalgia • Chronic central pain syndrome • Widespread, nonarticular musculoskeletal pain and fatigue • Multiple tender points • Also have: • Nonrestorative sleep • Morning stiffness • Irritable bowel syndrome • Anxiety Copyright © 2020 by Elsevier, Inc. All rights reserved. 74 Fibromyalgia • Common disorder • Major cause of disability • Affects 3.7 million in United States • More common in women ages 40 to 75 years • Many shared features with systemic exertion intolerance disease (SEID) • See Table 64-20 in the textbook Copyright © 2020 by Elsevier, Inc. All rights reserved. 75 Tender Points in Fibromyalgia 76 • Physical examination • Point tenderness in 11 of 18 sites • Pain throughout body • Pain from unusual stimulus (allodynia) • Pain varies day to day • Sometimes fewer than 11 sites • Sometimes all sites Copyright © 2020 by Elsevier, Inc. All rights reserved. Fig. 64-14 Fibromyalgia: Clinical Manifestations and Complications • Stiffness • Nonrefreshing sleep • Fatigue • Paresthesia in hands and feet • Restless legs syndrome – (Teach Regular Exercise) 77 Fibromyalgia Interprofessional Care • Drug therapy for chronic widespread pain • Pregabalin (Lyrica) • Duloxetine (Cymbalta) • Milnacipin (Savella) • Low-dose tricyclic antidepressants (TCAs), SSRIs, or benzodiazepines • Muscle relaxants • OTC and nonopioid analgesics • Zolpidem (Ambien) Copyright © 2020 by Elsevier, Inc. All rights reserved. 78 Fibromyalgia Nursing Management • Limit intake of sugar, caffeine, alcohol • May be muscle irritants • Vitamin and mineral supplements • Avoid “miracle” diets and supplements • Relaxation strategies • Biofeedback, imagery, meditation, cognitive behavioral therapy • Psychologic counseling and support group Copyright © 2020 by Elsevier, Inc. All rights reserved. 79 Systemic Exertion Intolerance Disease Copyright © 2020 by Elsevier, Inc. All rights reserved. 80 Systemic Exertion Intolerance Disease (SEID) • Formerly: chronic fatigue syndrome • Complex, multisystem disease • Physical, emotional, or cognitive exertion impaired and accompanied by profound fatigue • Affects at least 1 million people in United States • Many undiagnosed • Women 3 to 4 times more than men • Affects all ethnicities; more common in minorities and socioeconomically disadvantaged Copyright © 2020 by Elsevier, Inc. All rights reserved. 81 SEID Etiology and Pathophysiology • Precise mechanisms remain unknown • Many theories exist about cause • Neuroendocrine abnormalities involving a hypofunction of HPA axis and hypothalamic-pituitary-gonadal (HPG) axis • Several microorganisms investigated • Changes in CNS Copyright © 2020 by Elsevier, Inc. All rights reserved. 82 SEID: Interprofessional Management • Severe occupational and psychosocial loss; social pressure and isolation • Labeled lazy or crazy • SEID does not appear to progress • Most patients recover or gradually improve over time • Some do not show significant improvement • Recovery more common with sudden onset Copyright © 2020 by Elsevier, Inc. All rights reserved. 83 Musculo Wrap Up 84 • Joint Abnormalities • Osteoarthritis – Non inflammatory, pain with movement • Rheumatoid – Inflammatory, autoimmune, causes discomfort and deformities such as Swan Neck • Bursitis – Inflammation of fluid filled sac that cushions the joint • Osteoporosis – Softening of the bone with aging. Can cause Pt to become shorter. Assess with DXA or bone scan • Pain management • Alternate rest with activity • Use cold packs prior to exercise