• BMC anesthesiology · Jan 2019

    Risk factors for early postoperative cognitive dysfunction after colorectal surgery.

    • Yuan Zhang, Hong-Guang Bao, Yun-Luo Lv, Yan-Na Si, Liu Han, Hong-Yu Wang, Yu-Jie Gao, Wei-Qing Jiang, and Chen Zhang.
    • Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, China.
    • BMC Anesthesiol. 2019 Jan 8; 19 (1): 6.

    BackgroundIt has been reported that postoperative cognitive dysfunction (POCD) is correlated with the degeneration of the central nervous system, oxidative stress, inflammation, and endocrine and immune dysfunction. Increased age, predisposed comorbidity, long surgery time, and prolonged stay in the intensive care unit have been reported to be risk factors for developing POCD for cardiac surgery. In the present study, the risk factors of early POCD after colorectal surgery were investigated.MethodsEighty patients, who provided informed consents for their participation in this study, were enrolled and received colorectal surgery under general anesthesia. Neuropsychological tests were performed preoperatively and on postoperative day seven. The risk factors for POCD were analyzed using a multivariate logistic regression model.ResultsNineteen patients were diagnosed with POCD (24.7%). Diabetes history (OR = 8.391 [2.208-31.882], P = 0.012), fasting over 3 days after surgery (OR = 5.236 [1.998-13.721], P = 0.001) and an SIRS score of > 3 on the second day after surgery (OR = 6.995 [1.948-25.111], P = 0.003) were risk factors for early POCD in colorectal cancer patients.ConclusionThe risk factors for early POCD after colorectal surgery included diabetes history, fasting over 3 days, and an SIRS score of > 3 on the second day.

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