Journal
AMERICAN JOURNAL OF SURGERY
Volume 208, Issue 6, Pages 911-917Publisher
EXCERPTA MEDICA INC-ELSEVIER SCIENCE INC
DOI: 10.1016/j.amjsurg.2014.09.004
Keywords
Acute cholecystitis; Laparoscopic cholecystectomy; Nighttime
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Funding
- H.H. Lee Research Award
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BACKGROUND: The urgency of laparoscopic cholecystectomy for acute cholecystitis is under debate. We hypothesized that nighttime cholecystectomy is associated with decreased length of stay. METHODS: Retrospective review of 1,140 patients at 2 large urban referral centers with acute cholecystitis who underwent daytime (7 am to 7 pm) versus nighttime (7 pm to 7 am) cholecystectomy was conducted. RESULTS: Nighttime cholecystectomy did not affect the overall length of stay (3.7 vs 3.8 days, P = .08) or complication rate (5% vs 7%, P = .5) versus daytime cholecystectomy. Nighttime cholecystectomy was associated with a higher conversion rate to open cholecystectomy (11% vs 6%, P = .008). On multivariable analysis, independent predictors of conversion to open surgery were nighttime cholecystectomy, age, and gangrenous cholecystitis (P = .01). The only predictor of complications was gangrenous cholecystitis (P = .02). CONCLUSIONS: Nighttime cholecystectomy is associated with an increased conversion to open surgery without decrease in length of stay or complications. These findings suggest that laparoscopic cholecystectomy for acute cholecystitis should be delayed until normal working hours. (C) 2014 Elsevier Inc. All rights reserved.
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