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The Difficult Cholecystectomy.

Vincenzo Villani¹, Lilian S Kao¹, Yuman Fong²

¹McGovern Medical School at the University of Texas Health Science Center at Houston, Houston.

|October 15, 2025

Summary

Performing difficult cholecystectomies safely requires recognizing risk factors and employing advanced imaging and bailout strategies. Knowledge of these techniques minimizes severe bilio-vascular injuries during gallbladder removal.

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Area of Science:

Laparoscopic surgery
Gastrointestinal surgery
Surgical safety

Background:

Difficult cholecystectomies increase the risk of severe bilio-vascular injuries.
Factors like obesity, cirrhosis, and prior surgeries predict cholecystectomy difficulty.
Imaging findings such as thickened gallbladder walls or impacted stones indicate challenging cases.

Purpose of the Study:

To outline risk factors and predictive imaging findings for difficult cholecystectomies.
To recommend intraoperative imaging and bailout strategies for challenging gallbladder surgeries.
To emphasize the importance of surgeon experience and assistance in complex cases.

Main Methods:

Review of patient factors, imaging findings, and surgical outcomes associated with cholecystectomy difficulty.
Analysis of the utility of intraoperative imaging modalities (cholangiography, ultrasound, near-infrared cholangiography).
Evaluation of bailout strategies including tube cholecystostomy, subtotal cholecystectomy, and conversion to open surgery.

Main Results:

Obesity, cirrhosis, high ASA score, previous operations, acute cholecystitis, and CBD stones are linked to difficult cholecystectomies.
Preoperative imaging showing thickened gallbladder wall, pericholecystic fluid, or impacted stones predicts difficulty.
Intraoperative imaging and bailout techniques are crucial for managing challenging dissections and avoiding injury.

Conclusions:

Surgeons must be aware of predictors for difficult cholecystectomies to optimize patient safety.
The judicious use of intraoperative imaging and alternative surgical approaches can mitigate risks.
Knowledge of advanced techniques and seeking assistance are vital for safe management of complex gallbladder surgeries.