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KMID : 0614620150660010033
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Korean Journal of Gastroenterology
2015 Volume.66 No. 1 p.33 ~ p.40
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Clinical Significance of Biliary Dilatation and Cholelithiasis after Subtotal Gastrectomy
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Yoon Ha-Rry
Kwon Chang-Il
Jeong Seok
Lee Tae-Hoon
Han Joung-Ho
Song Tae-June
Hwang Jae-Chul
Kim Dae-Jung
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Abstract
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Background/Aims: The well-organized study to support that increased cholelithiasis and bile duct dilatation can occur after gastrectomy has not been reported. The aim of this study was to determine the incidence of cholelithiasis and the degree of common bile duct (CBD) dilatation in patients undergoing subtotal gastrectomy, compared to those undergoing endoscopic treatment for gastric cancer.
Methods: Patients who diagnosed with gastric cancer and received treatment at six academic referral centers were investigated for the incidence and time of cholelithiasis and the degree of CBD dilatation after treatment by analysis of 5-year follow-up CTs. The operation group underwent subtotal gastrectomy without vagotomy, while in the control group endoscopic treatment was administered for gastric cancer.
Results: A total of 802 patients were enrolled in 5-year analysis (735 patients in the operation group and 67 patients in the control group). Cholelithiasis occurred in 47 patients (6.39%) in the operation group and 3 patients (4.48%) in the control group (p=0.7909). The incidences of cholelithiasis were 4.28% in Billoth-I and 7.89% in Billoth-II (p=0.0487). The diameter of proximal CBD and distal CBD increased by 1.11 mm and 1.41 mm, respectively, in the operation group, compared to 0.4 mm and 0.38 mm, respectively, in the control group (p＜0.05). Patients with increased CBD dilatation more than 5 mm showed statistically significant increases in alkaline phosphatase and gamma-glutamyltransferase.
Conclusions: The incidence of cholelithiasis was not increased due to subtotal gastrectomy without vagotomy, but the incidence was higher after Billoth-II compared to Billoth-I. In addition, significant change in the CBD diameter was observed after subtotal gastrectomy.
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KEYWORD
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Common bile duct, Biliary tract, Cholelithiasis, Gastrectomy, Stomach neoplasms
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