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KMID : 0870420060100020001
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Korean Journal of Hepato-Biliary-Pancreatic Surgery
2006 Volume.10 No. 2 p.1 ~ p.6
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Predictive Factors for Conversion of Laparoscopic to Open Cholecystectomy
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Lee Jie-Young
Shin Dong-Gue
Kang Seong-Ku
Park Sang-Soo
Yoon Jin
Kim Il-Myung
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Abstract
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Purpose:Laparoscopic cholecystectomy (LC) has replaced open cholecystectomy (OC) for the treatment of gallbladder disease. However certain cases still require conversion to open procedures. Identifying these patients at the risk of conversion remains difficult. This study evaluated risk factors that may predict conversion from a laparoscopic to an open procedure.
Methods:From January 1994 to December 2004, a total of 582 laparoscopic cholecystectomies were performed at Seoul Medical Center. A retrospective analyses of clinical parameters including patient demographics, clinical histories, laboratory data, ultrasound results, intraoperative details and postoperative pathologic findings were performed.
Results:A total of 30 patients (5.2%) had their cholecystectomies converted to an open procedure. Causes for conversion were inability to correctly identify the anatomy of surgical field due to adhesion and inflammation (56.7%), bile duct injury (13.3%), bleeding (13.3%) and others (16.7%). Univariate analysis showed that ASA (the classificationof American Society of Anesthesiologists, p = 0.034), previous abdominal operation history (p = 0.008), RUQ tenderness(right upper quadrant tenderness, p = 0.002), acute cholecystitis (p < 0.001) and time elapsing between diagnosis and operation (p = 0.013) to be risk factors. Multivariate analysis revealed that acute cholecystitis (4.2 greater odds ratio [OR] of conversion, p = 0.002) and previous abdominal operation history (3.6 greater odds ratio [OR] of conversion, p = 0.003) were positive independent predictive factors for conversion to open cholecystectomy.
Conclusion:Although laparoscopic cholecystectomy is a safe and beneficial procedure in the management of patients with gallbladder disease, there are still many chances of conversion of laparoscopic to open cholecystectomy. In this study, patients with acute cholecystitis and previous abdominal operation histories were more likely to requireconversion to an open procedure. These two positive independent predictive factors can help operators to make early decision and to counsel patients undergoing laparoscopic cholecystectomy with regards to the posibility of conversion to an open procedure
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KEYWORD
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Cholecystectomy, Laparoscopic Risk Factors
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