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Use of aspirin or nonsteroidal anti-inflammatory drugs increases risk for diverticulitis and diverticular bleeding.

Abstract：

BACKGROUND & AIMS:Nonsteroidal anti-inflammatory drugs (NSAIDs), including aspirin, have been implicated in diverticular complications. We examined the influence of aspirin and NSAID use on risk of diverticulitis and diverticular bleeding in a large prospective cohort. METHODS:We studied 47,210 US men in the Health Professionals Follow-up Study cohort who were 40-75 years old at baseline in 1986. We assessed use of aspirin, nonaspirin NSAIDs, and other risk factors biennially. We identified men with diverticulitis or diverticular bleeding based on responses to biennial and supplementary questionnaires. RESULTS:We documented 939 cases of diverticulitis and 256 cases of diverticular bleeding during a 22-year period of follow-up evaluation. After adjustment for risk factors, men who used aspirin regularly (≥2 times/wk) had a multivariable hazard ratio (HR) of 1.25 (95% confidence interval [CI], 1.05-1.47) for diverticulitis and a HR of 1.70 (95% CI, 1.21-2.39) for diverticular bleeding, compared with nonusers of aspirin and NSAIDs. Use of aspirin at intermediate doses (2-5.9 standard, 325-mg tablets/wk) and frequency (4-6 days/wk) were associated with the highest risk of bleeding (multivariable HR, 2.32; 95% CI, 1.34-4.02, and multivariable HR, 3.13; 95% CI, 1.82-5.38, respectively). Regular users of nonaspirin NSAIDs also had an increased risk of diverticulitis (multivariable HR, 1.72; 95% CI, 1.40-2.11) and diverticular bleeding (multivariable HR, 1.74; 95% CI, 1.15-2.64), compared with men who denied use of these medications. CONCLUSIONS:Regular use of aspirin or NSAIDs is associated with an increased risk of diverticulitis and diverticular bleeding. Patients at risk of diverticular complications should carefully consider the potential risks and benefits of using these medications.

journal_name

Gastroenterology

journal_title

Gastroenterology

authors

Strate LL,Liu YL,Huang ES,Giovannucci EL,Chan AT

doi

10.1053/j.gastro.2011.02.004

subject

Has Abstract

pub_date

2011-05-01 00:00:00

pages

1427-33

issue

eissn

0016-5085

issn

1528-0012

pii

S0016-5085(11)00140-5

journal_volume

140

pub_type

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Use of aspirin or nonsteroidal anti-inflammatory drugs increases risk for diverticulitis and diverticular bleeding.