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Am Surg. 2012 Oct;78(10):1075-8.

Admission variables predictive of gangrenous cholecystitis.

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  • 1Department of Surgery, Harbor-UCLA Medical Center, Torrance, California 90509, USA.


The objective of the present study was to identify admission clinical factors associated with gangrenous cholecystitis (GC) and factors associated with conversion to open cholecystectomy. We retrospectively evaluated 391 patients over a 17-month period who underwent urgent laparoscopic cholecystectomy for a diagnosis of acute cholecystitis. Eighty-nine patients with pathologically proven GC were compared with 302 patients without GC. On multivariable logistic regression, predictors of GC included male gender, white blood cell count greater than 14,000/mm3, heart rate greater than 90 beats per minute, and sodium 135 mg/dL or less. Conversion rate to open cholecystectomy was 7.9 per cent overall, 4 per cent for non-GC, and 19 per cent for GC (odds ratio, 0.2; 95% confidence interval, 0.1 to 0.4; P<0.00001). Conversion was predicted by increasing number of days to surgery, total bilirubin, and white blood cell count. Complication rate was higher in the GC group (10.1 vs 3.6% in the acute cholecystitis group, P=0.01). The increased rate of conversion observed with surgery delay suggests that early laparoscopic cholecystectomy may be preferable in most patients.

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