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The incidence and outcome of hyperlactatemia in patients admitted to the intensive care unit after elective surgery.

T. Abe,S. Uchino,Yusuke Sasabuchi,M. Takinami

Published 2018 in American Journal of Surgery

ABSTRACT

BACKGROUND Although hyperlactatemia is often developed in critically ill patients, it is unclear whether hyperlactatemia is associated with poor prognosis for surgical ICU (SICU) patients. METHODS We performed a retrospective analysis in an academic hospital in Tokyo. The maximum lactate was defined as the highest value within the SICU stay. The primary outcome was the composite outcome of in-hospital mortality, re-admission to the SICU or admission to the general ICU and emergency reoperation. RESULTS There were 3421 patients with normal lactate (<2 mmoL/L), 1642 with moderate hyperlactatemia (2-3.9 mmoL/L) and 299 with severe hyperlactatemia (≥4 mmoL/L). The composite outcome occurred in 6.2%. In multivariable logistic regression analysis, the odds ratio for the composite outcome was 1.49 for moderate hyperlactatemia and 1.42 for severe hyperlactatemia. CONCLUSIONS The odds ratio was similar between moderate and severe hyperlactatemia, so the cause and meaning of hyperlactatemia might be different among patients with elective surgery.

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