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[Intraoperative ultrasonography in laparoscopic cholecystectomy]
1Kirurgisk avdeling, Sentralsjukehuset i Rogaland, 4011 Stavanger.
Summary
Laparoscopic ultrasonography effectively detects common bile duct stones during gallbladder surgery. While requiring practice, it
Area of Science:
- Minimally Invasive Surgery
- Diagnostic Imaging
- Gastroenterology
Background:
- Laparoscopic ultrasonography is an emerging imaging technique.
- Its utility in detecting common bile duct stones during laparoscopic cholecystectomy requires evaluation.
Purpose of the Study:
- To assess the effectiveness of laparoscopic ultrasonography in identifying main biliary duct stones.
- To evaluate its role during laparoscopic cholecystectomy procedures.
Main Methods:
- A total of 441 patients undergoing laparoscopic cholecystectomy between 1991 and 1998 were included.
- Laparoscopic ultrasonography of the extrahepatic common bile duct was performed in the longitudinal plane post-dissection.
Main Results:
- Common bile duct stones were identified in 7% of cases (29 patients).
- The intrapancreatic portion of the common bile duct was not visualized in 14% of cases (64 patients).
- One false negative result was recorded, with an average sonography time of approximately eight minutes.
Conclusions:
- Laparoscopic ultrasonography is a safe, repeatable, noninvasive, and cost-effective diagnostic tool.
- Optimization of its efficacy requires mastering a learning curve.
- It can serve as a primary screening method for bile duct calculi once proficiency is achieved.