Juvenile Rheumatoid Arthritis Nursing Care Planning and Management

JRA, now usually called juvenile idiopathic arthritis (JIA), is chronic autoimmune joint inflammation in children: pain, swelling, and stiffness that threaten mobility. It is the most common chronic arthritis of childhood and comes in several subtypes. On the floor the work is preserving joint function and mobility, controlling pain, keeping the child moving, and watching for uveitis, which can be silent.

What It Is

Juvenile rheumatoid arthritis (JRA), also called juvenile idiopathic arthritis (JIA), is the most common chronic rheumatologic disease in children and one of the most common chronic diseases of childhood. It is a group of disorders sharing chronic joint inflammation, affecting the connective tissues that support and cover the body, including the musculoskeletal system, skin, and mucous membranes.

Pathophysiology

JRA is genetically complex, with multiple genes driving onset and presentation, and both humoral and cell-mediated immunity are involved. T lymphocytes are central, releasing proinflammatory cytokines (TNF-alpha, IL-6, IL-1) and favoring a type-1 helper T-lymphocyte response, with T-cell receptor studies confirming recruitment of T-lymphocytes specific for synovial nonself antigens. Humoral abnormalities include increased autoantibodies (especially antinuclear antibodies), increased serum immunoglobulins, circulating immune complexes, and complement activation. Chronic synovial inflammation features B-lymphocyte infiltration and expansion, while macrophage and T-cell invasion releases cytokines that drive synoviocyte proliferation. Some pediatric rheumatologists view systemic-onset JRA as an autoinflammatory disorder, like familial Mediterranean fever (FMF) or cryopyrin-associated periodic fever syndromes, rather than a JRA subtype; this is supported by similar expression of a phagocytic protein (S100A12) in systemic-onset JRA and FMF and the same marked responsiveness to IL-1 receptor antagonists.

Statistics and Incidences

Onset peaks at two age ranges: 1 to 3 years and 8 to 12 years. About 300,000 children in the United States are estimated to have some type of arthritis. Reported JRA prevalence ranges from 1.6 to 86.1 cases per 100,000. Worldwide it occurs more often in certain populations (such as indigenous peoples) in areas as disparate as British Columbia and Norway. Disease-associated mortality is hard to quantify but is estimated at less than 1% in Europe and less than 0.5% in North America; most European deaths relate to amyloidosis and most US deaths to infections. Girls with oligoarticular onset outnumber boys 3:1; in children with uveitis the girl-to-boy ratio is 5 to 6.6:1, and in polyarticular onset girls outnumber boys 2.8:1.

Causes

The cause is unknown and the genetic component is complex, which makes clean distinctions between subtypes difficult.

Clinical Manifestations

Arthritis is defined as intra-articular swelling on exam or limited joint motion with pain, warmth, or erythema. The hips, temporomandibular joint, and small spinal joints do not swell with synovitis but show loss of motion plus pain. In synovitis the fingers may look swollen and range of motion becomes painful. A soft, boggy swelling may be felt in the popliteal fossa. Joint inflammation comes first; untreated, it causes irreversible changes in joint cartilage, ligaments, and menisci.

Assessment and Diagnostic Findings

Diagnosis rests on history and physical exam. ESR or CRP is usually elevated in systemic-onset JRA (with a disproportionate CRP rise) and may be elevated in polyarticular disease, but is often normal in oligoarticular disease; other inflammation markers include thrombocytosis, leukocytosis, complement, and, inversely, albumin and hemoglobin. Get a CBC, liver function tests (to exclude viral or autoimmune hepatitis), and serum creatinine before starting NSAIDs, methotrexate (MTX), or TNF-alpha inhibitors. A positive ANA marks increased risk of anterior uveitis; children younger than 6 years at arthritis onset with a positive ANA are highest risk for uveitis and need slit lamp screening every 3 to 4 months. Radiography of a single affected joint helps exclude other disease such as osteomyelitis. CT best shows bony abnormalities but has largely been superseded by MRI, which is the most sensitive radiologic indicator of disease activity. On ultrasonography, inflamed synovium appears as mixed echogenicity lining the articular cartilage, and Doppler flow assesses synovial vascularity.

Medical Management

Goals are to prevent or control joint damage, prevent loss of function, and decrease pain. Exercise preserves range of motion and muscle strength and protects joints through better shock absorption; useful types include muscle strengthening, range-of-motion activity, stretching of deformities, and endurance and recreational exercise. Synovectomy is rarely needed and has poor long-term outcomes but may help children with one or a few joints involved and very active proliferative synovitis. Osteotomy and arthrodesis are salvage procedures for severe joint destruction or deformity. Total hip and knee replacements relieve pain and restore function in a functionally disabled child with debilitating disease.

Pharmacologic Management

Treatment aims at remission with the least drug toxicity. NSAIDs block prostaglandin synthesis by inhibiting cyclooxygenase (COX), reducing swelling and pain, and are used across all JIA subtypes. Disease-modifying antirheumatic drugs (DMARDs) can slow or prevent progression and the resulting joint destruction and loss of function. Corticosteroids are potent anti-inflammatories used to bridge until DMARDs take effect. Immunomodulators block TNF-alpha and IL-1 or their effects, the central proinflammatory cytokines.

Nursing Management

The goal is to maintain mobility and preserve joint function.

Nursing Assessment

History and exam are the most important diagnostic steps. Assess symptom duration and onset, affected joints, pain description, changes in physical activity, general health, arthritis history, previous illness, and associated symptoms. On exam, check vital signs, auscultate heart and lungs, palpate the abdomen, and examine the skin.

Nursing Diagnosis

• Acute pain related to tissue distension from fluid accumulation, inflammation, and joint destruction.
• Impaired physical mobility related to skeletal deformities, pain, discomfort, activity intolerance, and decreased muscle strength.
• Disturbed body image related to changes in ability to perform usual tasks.
• Self-care deficit related to musculoskeletal impairment.
• Deficient knowledge related to lack of exposure or recall.

Nursing Care Planning and Goals

• Pain is relieved or controlled.
• Child appears relaxed, sleeps and rests, and participates in activities appropriately.
• Child follows the prescribed pharmacologic regimen.
• Child uses relaxation skills and diversional activities in the pain control program.
• Child maintains a position of function with absent or limited contractures.
• Child maintains or increases strength and function of affected or compensatory body parts.
• Child demonstrates techniques that allow resumption of activities.
• Child voices increased confidence in dealing with illness, lifestyle changes, and possible limitations.
• Child understands the condition, prognosis, and potential complications and sets realistic future goals.

Nursing Interventions

Physical therapy includes exercise, splints, and heat. Stress to caregivers that the child should perform activities of daily living to maintain function and independence. For pain relief, provide a firm mattress or bedboard and small pillow, elevate linens with a bed cradle as needed, and let the child assume a position of comfort in bed or chair. Assist with active and passive ROM, resistive exercises, and isometrics when able. Offer emotional support: encourage talking about concerns and future expectations, give positive reinforcement, and accept feelings of grief, hostility, and dependency. For health education, review the disease process, prognosis, and expectations; discuss the child's role through nutrition, medication, and balanced exercise and rest; and help plan a realistic schedule of activity, rest, personal care, drug administration, physical therapy, and stress management.

Evaluation

Goals are met when pain is relieved or controlled, the child rests and participates appropriately, follows the medication regimen, uses relaxation and diversional activities, maintains a position of function with limited contractures, maintains strength and function, demonstrates techniques to resume activities, voices increased confidence, and understands the condition, prognosis, and complications with realistic future plans.

Documentation Guidelines

Document temperature and other assessment findings including vital signs, causative and contributing factors, the condition's impact on self-image and lifestyle, current or recent antibiotic therapy, plan of care, teaching plan, responses to interventions and teaching, progress toward outcomes, and any modifications to the plan.