الفهرس 
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Abstract
Common bile duct stones continue to pose a significant
problem both to the patient and the surgeon. They increase the
morbidity of a patient undergoing cholecystectomy from less
than 5% to as much as 20% and almost zero mortality to as high
as 30%. CBD are often asymptomatic and are detected
incidentally during workup in up to 7–20% of patients with
gallbladder stones awaiting cholecystectomy. One of the main reasons of investigating a patient with gallstones prior to cholecystectomy is to exclude the presence of associated CBD stones. All investigations are aimed at evolving a minimally invasive approach with the least number of complications achieved in a cost effectiveness manner to achieve a low overall morbidity of treatment. CBD stones are suspected if there is a history of pancreatitis or cholangitis, or here is increased serum levels of conjugated bilirubin, SGPT, SGOT and alk. phosph., or if there is dilatation of CBD more han 8mm or stone in the CBD at abdominal sonography or the presence of stones in the CBD at MRCP. The treatment of common bile duct stones has shown considerable evolution over the last 4 decades. The cause for his evolution has been constant up gradation of technological capability, which allows treating clinicians to offer cure with the benefits of laparoscopic common bile duct exploration as, minimal discomfort, minimally invasion, wound related morbidity is avoided, single hospital admission, shorter hospital
stay, quicker recovery, decreased morbidity and mortality and
also avoid complications of ERCP as ERCP is an invasive
procedure that has a complication rate of approximately 5-10%
of cases. The most common complication is pancreatitis.
Cholangitis, haemorrhage and duodenal perforation are the next
most common complications.
Laparoscopic CBD exploration may be done after initial
confirmation (detection) of a stone by IOC laparoscopic
ultrasound. The cystic duct is dilated with graded dilators,
balloon dilatation and Choledochoscopic stone removal is done.The same limitations to transcystic intervention are applicable in laparoscopy as well. Alternatively the CBD may be
approached by a choledo-chotomy where the CBD is opened with scissors or a harmonic scalpel and the CBD explored using a therapeutic choledochoscope. Alternatively Steerable catheters under fluoroscopic guidance are used. Laparoscopic ante grade sphincterotomy may be added to provide bile duct drainage and to prevent the problem of recurrence.