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Study Examines Global Prevalence Of Kidney Failure Among Critically Ill Patients
Aug 17, 2005 - 9:59:00 PM, Reviewed by: Dr.
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"In summary, we have conducted a multinational, multicenter, prospective, epidemiological study of ARF that includes the largest and most representative sample of ICUs and ARF patients so far," the authors write.
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By JAMA,
A multinational study has found that 5 to 6 percent of patients in intensive care units experience acute kidney failure, and about 60 percent of these patients die in the hospital, according to an article in the August 17 issue of JAMA.
The epidemiology and outcome of acute renal (kidney) failure (ARF) in critically ill patients in different regions of the world have not been well understood, according to background information in the article.
Shigehiko Uchino, M.D., of Austin Hospital, Melbourne, Australia, and colleagues conducted a study to determine the prevalence of ARF in intensive care unit (ICU) patients at 54 hospitals in 23 countries. The ICU patients were either treated with renal replacement therapy (RRT), such as dialysis, or fulfilled at least 1 of the predefined criteria for ARF from September 2000 to December 2001.
Of 29,269 critically ill patients admitted during the study period, 1,738 (5.7 percent) had ARF during their ICU stay, including 1,260 who were treated with RRT. The most common contributing factor to ARF was septic shock (47.5 percent). Approximately 30 percent of patients had preadmission renal dysfunction. The overall hospital death rate was 60.3 percent. Dialysis dependence at hospital discharge was 13.8 percent for survivors. Independent risk factors for hospital death included use of vasopressors (drugs that produce a rise in blood pressure), mechanical ventilation, septic shock, cardiogenic shock, and hepatorenal syndrome (kidney failure combined with severe liver disease).
"In summary, we have conducted a multinational, multicenter, prospective, epidemiological study of ARF that includes the largest and most representative sample of ICUs and ARF patients so far," the authors write. "This information may be helpful in the design of future international interventional trials, which would apply to worldwide practice, in regard to the statistical power and choice of appropriate outcome measures."
- JAMA
JAMA Full Text Article Link
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