• J X Xu, H Z Wang, J Dong, X J Chen, Y Yang, R X Chen, and G D Wang.
• Department of Critical Care Medicine, Peking University Cancer Hospital & Institute, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Beijing 100142, China.
• Beijing Da Xue Xue Bao. 2018 Dec 18; 50 (6): 1057-1062.

ObjectiveTo explore the incidence and risk factors for the acute lung injury (ALI)/acute respiratory distress syndrome (ARDS) after resection of esophageal carcinoma.MethodsWe retrospectively analyzed 422 consecutive patients admitted to the Department of Critical Care Medicine with esophageal carcinoma undergoing esophagectomy from January 2010 to December 2016 in Peking University Cancer Hospital. ALI/ARDS were diagnosed, the patients were divided into ALI/ARDS group and control group without ALI/ARDS, the differences of clinical features were contrasted between the two groups, and the multivariate Logistic regression modeling was used to identify the independent risk factors for ALI/ARDS.ResultsIn the study, 41 ALI/ARDS cases were diagnosed, making up 9.7% (41/422) of all the enrolled patients undergoing esophagectomy. Comparisons of the ALI/ARDS group and the control group indicated significant statistical differences in the average length of their hospital stay [(18.9±9.7) d vs. (14.8±3.6) d, P=0.011], the proportion of the patients who needed mechanical ventilation support [51.2% (21/41) vs. 9.4% (36/381), P<0.001] and in-hospital mortality [31.7% (13/41) vs. 5.0% (19/381), P<0.001]. Univariate analysis showed significant differences between the patients with ALI/ARDS and without ALI/ARDS in smoking history (P=0.064), preoperative forced expiratory volume in one second/forced vital capacity (FEV1/FVC) (P=0.020), diffusing capacity of the lung for carbon monoxide (DLCO) (P=0.011), body weight index (BMI) (P=0.044), American Society of Anesthesiologists (ASA) physical status classification (P=0.049) and one lung ventilation duration (P=0.008), while multivariate Logistic regression analysis indicated that preoperative FEV1/FVC (OR=1.053, P=0.016, 95%CI 1.010-1.098), ASA physical status classification (OR=2.392, P=0.033, 95%CI 1.073-5.335) and one lung ventilation duration (OR=0.994, P=0.028, 95%CI 0.989-0.999) were the independent risk factors for ALI/ARDS after esophagectomy.ConclusionALI/ARDS was a serious complication in patients undergoing esophagectomy associated with increment in length of hospital stay and in-hospital mortality. Multivariate Logistic regression analysis indicated that preoperative FEV1/FVC, ASA classification and one lung ventilation duration were the independent risk factors for ALI/ARDS after esophagectomy. Carefully assessing the patient before operation, shortening one lung ventilation duration were the key points in preventing ALI/ARDS after esophagectomy.

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