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Year : 2021  |  Volume : 5  |  Issue : 2  |  Page : 83-86

Which preoperative findings translate to a positive intraoperative cholangiogram?

Department of Surgery, Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa

Correspondence Address:
Dr. Mohamed Ali M. Elmusbahi
Department of Surgery, Health Sciences Faculty, University of Cape Town, Anzio Road, Observatory 7925, Cape Town
South Africa
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/LJMS.LJMS_107_20

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Background: The most common investigations used in the preoperative diagnosis of choledocholithiasis are ultrasound and liver function tests (LFTs). These modalities have a low sensitivity for detecting common bile duct stones among the intermediate-risk groups. Aim: The aim of the study is to identify preoperative findings which predict choledocholithiasis in intermediate-risk groups. Describe the implications of a positive intraoperative cholangiogram (IOC). Materials and Methods: A retrospective study of all consecutive laparoscopic cholecystectomies with IOC performed. Data were collected over the past 2 years between January 1, 2015, and December 31, 2016. Standard demographic variables, preoperative symptoms, LFTs, IOC findings, abdomen ultrasound, and postoperative symptoms were included in the study. Results: Of 237 laparoscopic cholecystectomies 23 cases were planned for IOC. The median age was 41 years. Seventeen cases were female. Indications were 12 biliary colic, eight gallstone pancreatitis, two cases of acute cholecystitis, and one case was for ascending cholangitis. Four cases had a positive IOC, and in this group, the median age was 44.5 years with one male. The mean common bile duct diameter was 6.5 mm. Two patients had biliary colic, one patient gallstone pancreatitis, and one acute cholecystitis. One patient had a history of jaundice, and all four cases had elevated gamma-glutamyl transferase (GGT) above 40 mmol/l, three cases had alkaline phosphatase (ALP) above 98 mmol/l. Postoperative, out of 23 cases, five cases had an endoscopic retrograde cholangiopancreaticogram, repeated ultrasound in three cases, persistence symptoms in four cases. Conclusions: GGT was the strongest predictor of choledocholithiasis. A normal GGT seems to be quite good at ruling out Cannabidiol stones. ALP was less accurate. Gallstone pancreatitis is not a good predictor, but it is importance to exclude choledocholithiasis before/during cholecystectomy. There is no relation between the IOC and persistent symptoms.

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