• Abdel Aziz M Shaheen, Gilaad G Kaplan, and Robert P Myers.
• Division of Gastroenterology, Department of Medicine, University of Calgary, Calgary, Alberta, Canada.
• Clin. Gastroenterol. Hepatol. 2009 Mar 1;7(3):303-10.

Background & AimsManagement of upper gastrointestinal bleeding (UGIB) often requires urgent endoscopic intervention; limitations in its availability on weekends might be associated with increased mortality, compared with patients admitted on weekdays.MethodsWe used the 1993-2005 U.S. Nationwide Inpatient Sample to identify patients hospitalized for UGIB caused by peptic ulceration. Differences in in-hospital mortality between patients admitted on weekends and weekdays were evaluated by using logistic regression models, adjusting for patient and clinical factors including the timing of upper endoscopy.ResultsBetween 1993 and 2005, there were 237,412 admissions to 3,166 hospitals for peptic ulcer-related UGIB. Compared with patients admitted on a weekday, those admitted on the weekend had an increased risk of death (3.4% vs 3.0%; adjusted odds ratio [OR], 1.08; 95% confidence interval [CI], 1.02-1.15), higher rates of surgical intervention (3.4% vs 3.1%; OR, 1.09; 95% CI, 1.03-1.15), prolonged hospital stays, and increased hospital charges (P < .0001 for all comparisons). Patients admitted on the weekend had a longer mean time to endoscopy (2.21 +/- 0.01 vs 2.06 +/- 0.01 days; P < .0001) and were less likely to undergo endoscopy on the day of admission (30% vs 34%; P < .0001). After adjusting for the timing of endoscopy, weekend admission remained an independent predictor of increased mortality (OR, 1.12; 95% CI, 1.05-1.20).ConclusionsPatients admitted to hospital on the weekend for peptic ulcer-related hemorrhage have higher mortality and more frequently undergo surgery. Although wait times for endoscopy are prolonged in patients hospitalized on the weekend, this delay does not appear to mediate the weekend effect for mortality.

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