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Mortality patterns in Malaysian systemic lupus erythematosus patients
S S Yeap1, S K Chow, M Manivasagar
1Department of Medicine, Faculty of Medicine, Universiti Malaya, 50603 Kuala Lumpur.
The Medical Journal of Malaysia
|December 6, 2001
Summary
Systemic lupus erythematosus (SLE) patients experienced a 20.2% mortality rate, with infection and active disease being primary causes of death. Early indicators like renal disease and neurological issues predicted higher mortality risk in SLE patients.
Area of Science:
- Rheumatology
- Internal Medicine
- Epidemiology
Background:
- Systemic lupus erythematosus (SLE) is a chronic autoimmune disease with significant morbidity and mortality.
- Understanding long-term outcomes and causes of death in SLE is crucial for improving patient care.
Purpose of the Study:
- To analyze mortality rates and causes of death in a cohort of SLE patients.
- To identify factors associated with increased mortality in SLE.
Main Methods:
- Retrospective analysis of case records for 494 SLE patients.
- Data collected from patients followed at University Hospital, Kuala Lumpur between 1976 and 1990.
- Causes of death and clinical characteristics were reviewed.
Main Results:
- Overall mortality was 20.2% (100 patients).
- Leading causes of death included infection (30%), renal (15%), and respiratory (14%) complications.
- Active SLE contributed to 19% of deaths.
- Patients who died showed significantly more renal disease, neurological disease, serositis, or thrombocytopenia within the first year compared to survivors.
Conclusions:
- Infection and active SLE remain significant contributors to mortality in systemic lupus erythematosus.
- Early identification of renal disease, neurological involvement, serositis, and thrombocytopenia may help predict mortality risk in SLE patients.