• Seok Jeong Lee, Chong Whan Kim, Myoung Kyu Lee, Sang-Ha Kim, Suk Joong Yong, and Won-Yeon Lee.
• Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea.
• J Crit Care. 2017 Oct 1; 41: 36-41.

PurposeDiuretics are used frequently in critically ill patients. We investigated the effects of furosemide on the prognosis.Materials And MethodsFollowing a retrospective review of patients admitted to the medical intensive care unit (ICU), we analyzed risk factors with variables including initial furosemide dose for ICU mortality.ResultsA total of 448 patients were included. Total furosemide dose during the first three days of the ICU stay (odds ratio (OR) 2.35, 95% confidence interval (CI) 1.01-5.02) and fluid balance during the same period (OR 3.04, 95% CI 1.46-6.31) were associated with ICU mortality, as were malignancy, chronic furosemide use, and APACHE II score. However, in oliguric patients, positive fluid balance was associated with ICU mortality (OR 22.33, 95% CI 1.82-273.72) but the high-dose furosemide was not. In contrast, in non-oliguric patients, high-dose furosemide was associated with ICU mortality (OR 2.47, 95% CI 1.01-5.68); however, the positive fluid balance showed only a trend for high ICU mortality.ConclusionEarly high-dose furosemide use is associated with ICU mortality, particularly in non-oliguric patients. We suggest that furosemide should be used with caution even in non-oliguric critically ill patients until the safety is confirmed in powered study.Copyright © 2017 Elsevier Inc. All rights reserved.

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