Gut Liver.  2016 Mar;10(2):244-249. 10.5009/gnl14407.

Analysis of Risk Factors for Colonic Diverticular Bleeding: A Matched Case-Control Study

Affiliations
  • 1Digestive Disease Center, Showa University Northern Yokohama Hospital, Yokohama, Japan. y.sugi117@gmail.com
  • 2Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Okayama, Japan.

Abstract

BACKGROUND/AIMS
Diverticular bleeding can occasionally cause massive bleeding that requires urgent colonoscopy (CS) and treatment. The aim of this study was to identify significant risk factors for colonic diverticular hemorrhage.
METHODS
Between January 2009 and December 2012, 26,602 patients underwent CS at our institution. One hundred twenty-three patients underwent an urgent CS due to acute lower gastrointestinal hemorrhage. Seventy-two patients were diagnosed with colonic diverticular hemorrhage. One hundred forty-nine age- and sex-matched controls were selected from the patients with nonbleeding diverticula who underwent CS during the same period. The relationship of risk factors to diverticular bleeding was compared between the cases and controls.
RESULTS
Uni- and multivariate conditional logistic regression analyses demonstrated that the use of nonsteroidal anti-inflammatory drugs (odds ratio [OR], 14.70; 95% confidence interval [CI], 3.89 to 55.80; p<0.0001), as well as the presence of cerebrovascular disease (OR, 8.66; 95% CI, 2.33 to 32.10; p=0.00126), and hyperuricemia (OR, 15.5; 95% CI, 1.74 to 138.00; p=0.014) remained statistically significant predictors of diverticular bleeding.
CONCLUSIONS
Nonsteroidal anti-inflammatory drugs, cerebrovascular disease and hyperuricemia were significant risks for colonic diverticular hemorrhage. The knowledge obtained from this study may provide some insight into the diagnostic process for patients with lower gastrointestinal bleeding.

Keyword

Diverticular bleeding; Colonoscopy; Anti-inflammatory agents; non-steroidal; Hyperuricemia; Cerebrovascular disease

MeSH Terms

Adult
Aged
Aged, 80 and over
Anti-Inflammatory Agents, Non-Steroidal/adverse effects
Case-Control Studies
Cerebrovascular Disorders/complications
Colonic Diseases/*etiology/surgery
Colonoscopy
Diverticulum, Colon/*complications/pathology/surgery
Female
Gastrointestinal Hemorrhage/*etiology/surgery
Humans
Hyperuricemia/complications
Logistic Models
Male
Middle Aged
Retrospective Studies
Risk Factors
Anti-Inflammatory Agents, Non-Steroidal
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