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• W2016102144 abstract "We sought to obtain unbiased estimates of open cholecystectomy outcomes in a population-based cohort of elderly patients during the immediate prelaparoscopic era.Medicare claims data were used to identify 21,131 patients aged 65 years or more who underwent open cholecystectomy in Pennsylvania between 1986 and 1989 and to develop longitudinal histories of hospitalizations and physician services utilization for these patients. Study patients were divided into three groups: simple cholecystectomy, cholecystectomy with intraoperative cholangiography (IOC) alone, and cholecystectomy with common bile duct exploration (CBDE). Outcomes examined included 30- and 90-day postoperative mortality rates and postoperative complications.Postoperative mortality rates in all patients was 2.1% at 30 days and 3.6% at 90 days. Patients in the CBDE group had a significantly higher mortality rate than those in the simple cholecystectomy or IOC groups; adjusted for differences in case mix, the mortality rate in the CBDE group was 47% higher at 30 days and 29% higher at 90 days. Rates of retained or recurrent common duct stones, bile duct stricture, and recurrent biliary tract surgery by 42 to 60 months after cholecystectomy were 2.8%, 0.4%, and 1.0%, respectively. CBDE was a strong risk factor for these complications. In contrast, the IOC group had a significantly lower risk of having clinically manifest retained or recurrent common duct stones develop by 42 months after operation.This study provides an unbiased assessment of open cholecystectomy outcomes necessary for future comparisons of open and laparoscopic cholecystectomy in elderly patients. Estimates of the excess mortality rates associated with CBDE provide a benchmark for assessing the outcomes of alternative strategies for managing common duct stones during laparoscopic cholecystectomy. Findings regarding the rates of retained or recurrent common bile duct stones in patients undergoing simple cholecystectomy and IOC challenge widespread beliefs about the limited clinical importance of unsuspected common duct stones, at least in the elderly population, and are relevant to the debate about routine IOC." @default.
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• W2016102144 title "Outcomes of open cholecystectomy in the elderly: A longitudinal analysis of 21,000 cases in the prelaparoscopic era" @default.
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• W2016102144 doi "https://doi.org/10.1016/s0039-6060(05)80079-0" @default.
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