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Gallbladder bed pocket score as a preoperative measure for assessing the difficulty of laparoscopic cholecystectomy

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Abstract
Introduction

Laparoscopic cholecystectomy (Lap‐C) is a standard surgery for symptomatic gallbladder stones and acute or chronic cholecystitis. Resident surgeons often perform this operation early in their training, but they sometimes encounter difficulties for various technical reasons. Although encountering a gallbladder buried deep within the gallbladder bed is a common operative difficulty, literature on the subject scarcely exists.
Methods

Forty‐two patients underwent Lap‐C at our hospitals and were analyzed retrospectively. We defined the gallbladder bed pocket score (GBPS) as the maximum ratio between the height and width of the gallbladder bed measured based on multi‐detector computed tomography (MDCT) images. GBPS and clinical factors were assessed in terms of their correlation with the time required for gallbladder dissection from the gallbladder bed.
Results

Of the 42 patients, 20 had histories of acute or chronic cholecystitis. The mean gallbladder dissection time was 14.9 min, and the mean GBPS was 0.43 in the coronal MDCT section and 0.56 in the sagittal section. The correlation coefficient between the GBPS and gallbladder dissection time was 0.40 (P = 0.01) in the coronal section and 0.38 (P = 0.02) in the sagittal section of the MDCT images. There was no statistically significant correlation between gallbladder dissection time and the surgeon's experience, patient's history of cholecystitis, gallstone size, or blood loss. However, GBPS > 0.4 predicted more difficult and prolonged dissection.
Conclusion

GBPS is a useful tool for preoperatively predicting the time needed to dissect the gallbladder from the gallbladder bed during Lap‐C. Cases with GBPS < 0.4 seem more suitable for resident surgeons who are performing gallbladder dissection early in their Lap‐C training.
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Document Type: Research Article

Publication date: November 1, 2013

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