期刊
AMERICAN JOURNAL OF MEDICINE
卷 125, 期 6, 页码 585-593出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.amjmed.2012.01.016
关键词
Acute kidney injury; Death; End-stage renal disease
资金
- Ontario Ministry of Health and Long-Term Care
- New Staff Dean's Grant from the University of Toronto Faculty of Medicine
- Randomized Controlled Trial Mentoring Program of the Canadian Institute of Health Research (CIHR)
- Amgen
- CIHR Clinician Scientist Award
- CIHR Master's Award
BACKGROUND: Acute kidney injury frequently arises within an acute care hospitalization. Outcomes among acute kidney injury survivors following hospital discharge are poorly documented. METHODS: We conducted a population-based cohort study between 1996 and 2006 of all adult patients in Ontario with acute kidney injury who did not require in-hospital dialysis, and who survived free of dialysis >= 30 days after discharge. Those with acute kidney injury (n = 41,327) were matched 1: 1 to patients without acute kidney injury during their index hospitalization. Matching was by age (+/- 1 year), sex, history of chronic kidney disease, receipt of mechanical ventilation during the index hospitalization, and a propensity score for developing acute kidney injury. The primary outcome was subsequent need for chronic dialysis. The secondary outcomes were all-cause mortality and rehospitalization. RESULTS: Mean age was 70 years, and median follow-up was 2 years (maximum 10 years). The incidence of chronic dialysis was 1.78 per 100 person-years among those with acute kidney injury and 0.74 per 100 person-years among unaffected controls (adjusted hazard ratio [HR]; 2.70, 95% confidence interval [CI], 2.42-3.00). Rates also were higher for all-cause mortality (15.34 vs 14.51 per-100 person-years; adjusted HR 1.10; 95% CI, 1.07-1.13) and rehospitalization (44.93 vs 37.18 per 100 person-years; adjusted HR 1.21; 95% CI, 1.18-1.24). CONCLUSION: Even when acute dialysis is not required, survivors of acute kidney injury remain at higher risk of receipt of chronic dialysis thereafter. The absolute risk of death was more than 8 times the rate of chronic dialysis. (C) 2012 Elsevier Inc. All rights reserved. . The American Journal of Medicine (2012) 125, 585-593
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