期刊
AMERICAN JOURNAL OF KIDNEY DISEASES
卷 57, 期 4, 页码 566-574出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1053/j.ajkd.2010.10.049
关键词
Vasculitis; glomerulonephritis; plasma exchange; meta-analysis
资金
- Kidney Research Scientist Core Education National Training Program
- Canadian Institutes of Health Research
- Alberta Heritage Foundation for Medical Research
- European Renal Association-European Dialysis and Transplantation Association
- Canadian Network and Centre for Trials Internationally
- Imperial College National Institute of Health Research Comprehensive Biomedical Research Centre
Background: Plasma exchange may be effective adjunctive treatment for renal vasculitis. We performed a systematic review and meta-analysis of randomized controlled trials of plasma exchange for renal vasculitis. Study Design: Systematic review and meta-analysis of articles identified from electronic databases, bibliographies, and studies identified by experts. Data were abstracted in parallel by 2 reviewers. Setting & Population: Adults with idiopathic renal vasculitis or rapidly progressive glomerulonephritis. Selection Criteria for Studies: Randomized controlled trials that compared standard care with standard care plus adjuvant plasma exchange in adult patients with either renal vasculitis or idiopathic rapidly progressive glomerulonephritis. Intervention: Adjuvant plasma exchange. Outcome: Composite of end-stage renal disease or death. Results: We identified 9 trials including 387 patients. In a fixed-effects model, the pooled RR for end-stage renal disease or death was 0.80 for patients treated with adjunctive plasma exchange compared with standard care alone (95% CI, 0.65-0.99; P = 0.04). No significant heterogeneity was detected (P = 0.5; I-2 = 0%). The effect of plasma exchange did not differ significantly across the range of baseline serum creatinine values (P = 0.7) or number of plasma exchange treatments (P = 0.8). The RR for end-stage renal disease was 0.64 (95% CI, 0.47-0.88; P = 0.006), whereas the RR for death alone was 1.01 (95% CI, 0.71-1.4; P = 0.9). Limitations: Although the primary result was statistically significant, there is insufficient statistical information to reliably determine whether plasma exchange decreases the composite of end-stage renal disease or death. Conclusions: Plasma exchange may decrease the composite end point of end-stage renal disease or death in patients with renal vasculitis. Additional trials are required given the limited data available. Am J Kidney Dis. 57(4):566-574. (C) 2011 by the National Kidney Foundation, Inc.
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