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Am J Gastroenterol. 2014 Oct;109(10):1613-20. doi: 10.1038/ajg.2014.230. Epub 2014 Sep 2.

The prevalence and predictors of opioid use in inflammatory bowel disease: a population-based analysis.

Author information

1
1] Section of Gastroenterology, Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba, Canada [2] University of Manitoba IBD Clinical and Research Centre, Winnipeg, Manitoba, Canada.
2
1] Section of Gastroenterology, Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba, Canada [2] CancerCare Manitoba, Winnipeg, Manitoba, Canada.
3
Faculty of Pharmacy, University of Manitoba, Winnipeg, Manitoba, Canada.

Abstract

OBJECTIVES:

Opioids are commonly used in the treatment of pain and associated symptoms of inflammatory bowel disease (IBD). The continuous use of opioids has been associated with adverse outcomes, including death. The prevalence and the risk factors for opioid use in IBD are poorly characterized.

METHODS:

We used the population-based Manitoba IBD Epidemiology Database to identify all individuals in Manitoba with IBD who were prescribed opioids both before and following diagnosis. We determined the point prevalence of any opioid use, as well as the risk of becoming a heavy opioid user (defined as continuous use for 30 days at a dose exceeding 50 mg morphine/day or equivalent). Logistic regression and Cox proportional hazards models were generated to assess whether IBD was an independent risk factor for opioid use, the risk factors for opioid use in individuals with IBD, and to determine whether opioid use was associated with excess mortality in IBD.

RESULTS:

Within 10 years of diagnosis, 5% of individuals with IBD had become heavy opioid users. Moderate use of opioids before diagnosis was strongly predictive of future heavy use. Individuals with IBD were significantly more likely to become heavy opioid users than their matched controls (odds ratio (OR) 2.91, 95% confidence interval (CI) 2.19-3.85). Heavy opioid use was strongly associated with mortality (OR 2.82, 95% CI 1.58-5.02).

CONCLUSIONS:

IBD is an independent risk factor for becoming a heavy opioid user, and heavy opioid use is associated with excess mortality in IBD patients. Clinicians should recognize risk factors for future heavy opioid use among their patients with IBD.

PMID:
25178702
DOI:
10.1038/ajg.2014.230
[Indexed for MEDLINE]

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