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Systemic lupus erythematosus with a protein-losing enteropathy
JAMA
|July 19, 1976
Summary
Systemic lupus erythematosus (SLE) can cause severe anasarca and hypoalbuminemia due to gastrointestinal protein loss, not kidney issues. Low-dose corticosteroids effectively treated this rare presentation, achieving full remission.
Area of Science:
- Rheumatology
- Nephrology
- Gastroenterology
Background:
- Systemic lupus erythematosus (SLE) is a chronic autoimmune disease with diverse clinical manifestations.
- Arthralgic SLE, typically mild, can present with extra-articular complications.
- Hypoalbuminemia and anasarca are severe complications, often linked to renal involvement.
Observation:
- A young woman with mild, arthralgic SLE developed anasarca and profound hypoalbuminemia.
- The onset occurred 15 months after initial SLE diagnosis.
- Clinical evaluation excluded active nephritis as the cause of protein loss.
Findings:
- Gastrointestinal protein loss was identified as the primary cause of hypoalbuminemia.
- This contrasts with the more common renal protein loss in SLE-associated edema.
- Low-dose corticosteroid therapy induced a complete clinical remission.
Implications:
- Highlights the potential for gastrointestinal protein loss in SLE, even without active nephritis.
- Suggests a need for thorough investigation of protein loss causes in SLE patients.
- Demonstrates the efficacy of conservative corticosteroid treatment for this specific SLE complication.