Use of non-steroidal anti-inflammatory drugs and risk of ischemic and hemorrhagic stroke in the Australian veteran community

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    Abstract

    Purpose: Studies on the risk of stroke in users of non-steroidal anti-inflammatory drugs (NSAIDs) have provided conflicting results. We studied the association between the use of non-selective ns-NSAIDs, selective COX-2 inhibitors, or either of these NSAIDs, and the incidence of stroke-related hospitalization in elderly subjects. Methods: We conducted a retrospective nested case-control study on Australian veterans using nationwide hospital admission and pharmacy dispensing data. Conditional logistic regression analysis was used to estimate both crude and adjusted odds ratios (OR) and 95% confidence intervals (CI) for the risk of events for three different measures of prescription supply exposure over the last 2 years; (1) whether supplied at least once; (2) supply frequency: supplied more than twice within the last 30 days, once or twice within the last 30 days, or once or more within 30 days to 2 years; and (3) total supplies. Results: There was a trend toward a reduced risk of ischemic stroke with any NSAID (OR 0.95, 95%CI 0.89-1.00) if supplied at least once within the last 2 years and a mildly reduced risk in those supplied any NSAID once or twice within the last 30 days (OR 0.89, 95%CI 0.81-0.98). Use of either ns-NSAIDs or selective COX-2 inhibitors were not associated with a significant change in risk. Conclusions: The use of any NSAIDs is not associated with an increase in the risk of ischemic stroke in Australian veterans.

    Original languageEnglish
    Pages (from-to)490-498
    Number of pages9
    JournalPharmacoepidemiology and Drug Safety
    Volume19
    Issue number5
    DOIs
    Publication statusPublished - May 2010

    Keywords

    • COX-2 inhibitors
    • Elderly
    • Non steroidal anti-inflammatory drugs
    • Stroke

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