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The Long-Term Clinical Outcome of 56 Patients with Biopsy-Proven Lupus Nephritis Followed at a Single CenterDepartment of Internal Medicine (Div. Immunopathology), University Hospital, Utrecht, The Netherlands
Department of Nephrology, University Hospital, Utrecht, The Netherlands
Department of Internal Medicine (Div. Immunopathology), University Hospital, Utrecht, The Netherlands We retrospectively evaluated the clinical outcome of 45 female and 11 male patients with biopsy-proven lupus nephritis, followed at our hospital between February 1974 and February 1990. In the majority signs of nephritis were present at the time systemic lupus erythematosus was diagnosed (range: —42-156 months) and the median time from onset of nephritis to biopsy was 2 months. The median follow-up from the time of the biopsy was 53.5 months (range: 2-192), the median age at biopsy 25 years and the median serum creatinine level 1.2 mg/dl. Initial renal biopsies had the following histopathological classes according to the World Health Organization criteria (n): I (2); II (10); III (10); IV (28); V (5); VI (1). Over the study period active episodes were treated with high-dose oral prednisone alone or combined with intravenous nitrogen mustard and oral chlorambucil (1974-75), azathioprine (1978-86), cyclophosphamide (1986-90) and/or plasma-exchange (1976-84). These strategies were based on literature data or multicenter studies in which we participated. Eight patients developed end-stage renal disease (ESRD) (median: 47 months post-biopsy; range: 20-120). In these, initial biopsies showed class IV in seven, and class V in one. Confounded risk factors for ESRD were class IV biopsy, male gender and serum creatinine level above 1.4 mg/dl. The calculated proportion without ESRD 5 years post-biopsy was 87% (95% confidence limits: 98-76%), and at 10 years 70% (95% confidence limits: 90-49%). Five patients (11.2%) died; causes of death were cerebrovascular accident (n = 2), cerebral lupus (n = 2) and S. aureus sepsis (n = I). Twelve (21.4%) patients had localized herpes zoster infection; six (10.7%) had a salmonella sepsis.
Key Words: Systemic lupus erythematosus • Lupus nephritis
Lupus, Vol. 1, No. 2,
97-103 (1992) This article has been cited by other articles:
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