• Cai Li, Wen-Han Yang, Jun Zhou, Yan Wu, Yun-Sheng Li, Shi-Hong Wen, Wen-Qi Huang, and Ke-Xuan Liu.
• Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China 510080.
• J Clin Anesth. 2013 Aug 1;25(5):371-8.

Study ObjectiveTo identify the risk factors of, and develop a prediction model for, postoperative complications of patients undergoing infrarenal abdominal aortic aneurysm (IAAA) repair.DesignRetrospective analysis.SettingVascular surgery center of a university hospital.MeasurementsThe clinical data of 316 IAAA cases were collected from January 2004 to October 2010 at a single vascular center in China. Postoperative complications were observed within 30 days after surgery. Patient-specific and operation-specific characteristics were analyzed in relation to postoperative complications using multiple logistic regression analysis.Main ResultsOverall incidence of postoperative complications and overall 30-day mortality of IAAA repair patients were 48.4% (153/316) and 8.8% (28/316), respectively. Postoperative complications involved pulmonary (18.9%), cardiac (14.2%), renal (7.3%), gastrointestinal (5.4%), neurologic (1.3%), and hepatic (0.9%) systems, and acute arterial embolism of the lower limb occurred in 1.3% of cases. Risk factors were age [> 65 yrs; odds ratio (OR) 1.6], aortic occlusion time (> 90 min; OR 2.4), history of chronic obstructive pulmonary disease (COPD; OR 4.4), emergency operation (OR 6.1), and history of cardiac dysfunction (OR 2.1).ConclusionsA combination of age, COPD, emergency operation, history of cardiac dysfunction and aortic occlusion time has significant impact on postoperative complications after open IAAA repair.© 2013 Elsevier Inc. All rights reserved.

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