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Choledochoscopy: are stones missed? A controlled study.

P C Gartell, F P McGinn

The British Journal of Surgery

|October 1, 1984

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The choledochoscope, an instrument for visualizing the bile duct, effectively reduces retained stones after surgery. This study shows its use decreased retained bile duct stones compared to traditional methods.

Area of Science:

Gastroenterology
Surgical Innovation
Biliary Tract Surgery

Background:

The choledochoscope is an instrument used in bile duct surgery.
Its effectiveness in reducing retained stones has not been definitively proven through controlled studies.
Previous claims suggested reduced retained stones but lacked robust evidence.

Purpose of the Study:

To evaluate the impact of choledochoscope use on the incidence of retained common bile duct stones.
To compare outcomes between biliary surgeries with and without intraoperative choledochoscopy.
To assess the safety and efficacy of the choledochoscope in a real-world surgical setting.

Main Methods:

A 7-year retrospective study of 707 patients undergoing cholecystectomy.
Comparison of outcomes from surgeries performed with and without the availability of a choledochoscope.

Related Experiment Videos

Analysis of intraoperative findings, choledochography, and postoperative T-tube choledochography results.

Main Results:

Choledochoscopy identified residual calculi in 10 of 54 explored bile ducts.
No unsuspected retained stones were found on postoperative choledochography after its use.
In contrast, 6 of 35 patients without choledochoscope use had retained stones detected postoperatively.
No additional complications were attributed to choledochoscope use.

Conclusions:

The use of the choledochoscope significantly reduces the incidence of retained bile duct stones.
Intraoperative choledochoscopy improves stone clearance rates during bile duct exploration.
The choledochoscope is a safe and effective adjunct in biliary surgery.