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Treatment of complications associated with systemic sclerosis.

Posted Sep 11 2009 4:58pm

Research by Moore SC, Desantis ER.

PURPOSE: Current and emerging drug therapy options for patients suffering from the complications of systemic sclerosis are presented.

SUMMARY: Systemic sclerosis is a devastating and rare, chronic, autoimmune disease and is characterized by various disease complications due to skin thickening, vascular damage, and inflammation affecting numerous organs.

There are two major subtypes of systemic sclerosis: limited cutaneous scleroderma and diffuse cutaneous scleroderma. Patients suffer from Raynaud's phenomenon, skin changes, musculoskeletal changes, gastrointestinal complications, pulmonary complications, scleroderma renal crisis, and dryness of the eyes and mouth. Currently, there is no cure for systemic sclerosis, but research is focusing on decreasing the progression and symptoms of this disease.

Raynaud's phenomenon is the temporary vasoconstriction of the small vessels of the fingers, toes, tip of the nose, and earlobes. Skin thickening is the cardinal symptom of systemic sclerosis, with as many as 50% of patients developing digital ulcers. Care of these ulcers is crucial in the prevention of osteomyelitis and other infections.

Malabsorption syndrome may also occur in patients, many of whom will eventually require parenteral nutrition to maintain their caloric needs. Pulmonary interstitial fibrosis and pulmonary arterial hypertension are additional serious complications of systemic sclerosis. The use of prostacyclin analogues, phosphodiesterase inhibitors, calcium-channel blockers, cyclophosphamide, bosentan, and other agents has been investigated in patients suffering from the complications of systemic sclerosis.

CONCLUSION: Systemic sclerosis is characterized by various circulatory, dermatological, gastrointestinal, musculoskeletal, pulmonary, and renal complications. Although there is no cure for systemic sclerosis, management of its associated complications can help improve patients' quality of life.

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