• Tak Kyu Oh, In-Ae Song, and Young-Tae Jeon.
• Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Gumi-ro 173 Beon-gil, Bundang-gu, Seongnam, 13620, South Korea. airohtak@hotmail.com.
• J Anesth. 2019 Dec 1; 33 (6): 647-655.

PurposeThis study aimed to assess the impact of intensivist coverage on the incidence of acute kidney injury (AKI) and ventilator time among patients postoperatively admitted to the intensive care unit (ICU).MethodsAdult patients postoperatively admitted to the ICU between January 2012 and December 2017 were retrospectively enrolled. The incidence of AKI within 72 h of surgery and the postoperative ventilator time were compared between the groups covered by intensivists and non-intensivists.ResultsAfter propensity score (PS) matching, 5650 patients were included in the final analysis (2825 patients in each group). The incidence rate of AKI was significantly higher in the non-intensivist coverage group than in the intensivist coverage group (22.7% vs. 20.2%; P = 0.023). Moreover, logistic regression analysis in the PS-matched cohort showed that the incidence of postoperative AKI in the non-intensivist coverage group increased by 16% compared to that in the intensivist coverage group (odds ratio 1.16, 95% confidence interval 1.02-1.32; P = 0.023). Additionally, the median time of ventilator use in the non-intensivist coverage group was significantly longer than that in the intensivist coverage group [7.8 (interquartile range, IQR 2.6-13.8) h vs. 5.3 (1.8-8.3) h; P < 0.001].ConclusionHigh-intensity intensivist coverage is associated with a lower risk of postoperative AKI and shorter postoperative ventilator times. These findings suggested that in addition to medical trainees, initial management of surgical ICU patients by intensivists may lower the risk of AKI and facilitate early weaning from mechanical ventilation.

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