Background: To develop appropriate management strategies for patients who take low-dose aspirin, it is important to identify the risk factors for GI injury. However, few studies have described the risk factors for small-bowel injury in these patients.
Objective: To investigate factors influencing the risk of small-bowel mucosal breaks in individuals taking continuous low-dose aspirin.
Design: Capsule endoscopy data were collected prospectively from 5 institutions.
Setting: Yokohama City University Hospital and 4 other hospitals.
Patients: A total of 205 patients receiving treatment with low-dose aspirin for over 3 months.
Interventions: Colonoscopic and upper GI endoscopy had been performed in all of the patients before the capsule endoscope evaluation.
Main Outcome Measurements: Risk factors for small-bowel mucosal breaks.
Results: Of the 198 patients (141 male; mean age 71.9 years) included in the final analysis, 114 (57.6%) had at least 1 mucosal break. Multivariate analysis identified protein pump inhibitor (PPI) use (OR 2.04; 95% confidence interval [CI], 1.05-3.97) and use of enteric-coated aspirin (OR 4.05; 95% CI, 1.49-11.0) as independent risk factors for the presence of mucosal breaks.
Limitations: Cross-sectional study.
Conclusion: PPI use appears to increase the risk of small-bowel injury in patients who take continuous low-dose aspirin. Clinicians should be aware of this effect of PPIs; new strategies are needed to treat aspirin-induced gastroenteropathy.
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| http://dx.doi.org/10.1016/j.gie.2014.03.024 | DOI Listing |
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