Jui-Ying Chung1, Wan-Yu Chang1, Ta-Wei Lin1, Jyun-Ruei Lu1, Min-Wen Yang1, Chih-Chung Lin1, Chee-Jen Chang2, An-Hsun Chou3. 1. Department of Anesthesiology, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan, ROC. 2. Clinical Informatics and Medical Statistics Research Center, Graduate Institute of Clinical Medical Sciences, Chang Gung University, Taoyuan, Taiwan, ROC. 3. Department of Anesthesiology, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan, ROC. Electronic address: chou51chou51@yahoo.com.tw.
Abstract
OBJECTIVES: Elderly patients (aged ≥ 80 years) undergo an increasing number of operations. Elderly patients undergoing operations usually develop more postoperative complications and have poorer outcomes. The aim of this study is to identify the relative importance between preoperative and intraoperative variables to predict adverse postoperative outcomes in these patients. METHODS: We retrospectively analyzed the records of 404 patients (aged ≥ 80 years and underwent a noncardiac surgery) collected from the quality assurance database in our department. We reviewed the patients' preoperative and intraoperative variables as well as postoperative complications and outcomes. Odds ratios of risk factors were then calculated by univariate and multivariate analyses. In addition, hazard ratios of incidence of discharge and mortality rates were analyzed. RESULTS: Overall, 26.4% of patients developed one or more postoperative complications, and the in-hospital mortality rate was 6.7%. The majority of these patients had pre-existing cardiovascular disorders such as hypertension (47.5%). Respiratory complication was the most common postoperative complication (12.9%). Multivariate analysis showed male sex, anesthesia method, and colloid infusion were risk factors for increased respiratory complication. Our results showed that patients who developed different kinds of postoperative complications had a different level of risks associated with prolonged hospital stay and mortality. CONCLUSION: Patients over the age of 80 years, of male sex, under general anesthesia, and receiving colloid infusion were at a higher risk of developing respiratory complications. Postoperative respiratory complications occurred in most of the geriatric surgical patients. Efforts to improve the surgical outcomes must include measures to minimize in-hospital complications. Detailed evaluation and better communicating the aforementioned risk factors to these patients are suggested for improving anesthesia quality and surgical outcomes.
OBJECTIVES: Elderly patients (aged ≥ 80 years) undergo an increasing number of operations. Elderly patients undergoing operations usually develop more postoperative complications and have poorer outcomes. The aim of this study is to identify the relative importance between preoperative and intraoperative variables to predict adverse postoperative outcomes in these patients. METHODS: We retrospectively analyzed the records of 404 patients (aged ≥ 80 years and underwent a noncardiac surgery) collected from the quality assurance database in our department. We reviewed the patients' preoperative and intraoperative variables as well as postoperative complications and outcomes. Odds ratios of risk factors were then calculated by univariate and multivariate analyses. In addition, hazard ratios of incidence of discharge and mortality rates were analyzed. RESULTS: Overall, 26.4% of patients developed one or more postoperative complications, and the in-hospital mortality rate was 6.7%. The majority of these patients had pre-existing cardiovascular disorders such as hypertension (47.5%). Respiratory complication was the most common postoperative complication (12.9%). Multivariate analysis showed male sex, anesthesia method, and colloid infusion were risk factors for increased respiratory complication. Our results showed that patients who developed different kinds of postoperative complications had a different level of risks associated with prolonged hospital stay and mortality. CONCLUSION:Patients over the age of 80 years, of male sex, under general anesthesia, and receiving colloid infusion were at a higher risk of developing respiratory complications. Postoperative respiratory complications occurred in most of the geriatric surgical patients. Efforts to improve the surgical outcomes must include measures to minimize in-hospital complications. Detailed evaluation and better communicating the aforementioned risk factors to these patients are suggested for improving anesthesia quality and surgical outcomes.
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