• Minerva anestesiologica · Jun 2021

    Randomized Controlled Trial

    Effects of lung-protective ventilation strategy on lung aeration loss and postoperative pulmonary complications in moderate-risk patients undergoing abdominal surgery.

    • Yu Fu, Yan-Wei Zhang, Jie Gao, Hui-Min Fu, Ling Si, and Yong-Tao Gao.
    • Department of Anesthesiology, Affiliated Hospital of Nantong University, Nantong, China.
    • Minerva Anestesiol. 2021 Jun 1; 87 (6): 655-662.

    BackgroundThere is a controversy about whether the use of a lung-protective ventilation strategy(LPVS) can reduce the incidence of postoperative pulmonary complications (PPCs) and improve the clinical outcomes in moderate-risk patients were assessed by the Assess Respiratory Risk in Surgical Patients in Catalonia(ARISCAT).MethodsOne hundred moderate-risk patients predicted by the ARISCAT, scheduled to undergo abdominal surgery were randomized into two groups: conventional ventilation strategy group (G0) and lung-protective ventilation strategy group (G1). Lung ultrasonography (LUS) and the LUS score were performed before induction of anesthesia (T0), 30min after extubation (T1), and 24h (T2), 72h (T3) after surgery. The incidence and severity of PPCs within the postoperative 7 days, the duration of postoperative oxygen supplementation, and postoperative hospital stay (PHS) were recorded.ResultsThe LUS score of both groups at T1-3 was higher than those at T0 (P<0.05), moreover, the LUS score of G1 was lower than that of G0 at T1-3. The incidence of PPCs of G1 (10.9%) was lower than that of G0 (29.8%) (relative risk, 0.37; 95% confidence interval [CI], 0.14 to 0.93; P=0.02) and the severity of PPCs of G1 were lower than those of G0 (P<0.05). The PHS of G1 was less than that of G0 (8[7-10] vs. 9[8-11], P<0.05).ConclusionsThe LPVS can decrease lung aeration loss assessed by LUS and reduce the incidence of PPCs in moderate-risk patients.

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