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Risk of acute myocardial infarction with NSAIDs in real world use: bayesian meta-analysis of individual patient data

PainSci » bibliography » Bally et al 2017
updated
Tags: medications, harms, self-treatment, treatment, pain problems

Eight articles on PainSci cite Bally 2017: 1. Icing for Injuries, Tendinitis, and Inflammation2. A Guide to Sciatica Treatment for Patients3. The Complete Guide to Patellofemoral Pain Syndrome4. Tennis Elbow Guide5. The Complete Guide to Neck Pain & Cricks6. Complete Guide to Frozen Shoulder7. The Science of Pain-Killers

PainSci commentary on Bally 2017: ?This page is one of thousands in the PainScience.com bibliography. It is not a general article: it is focused on a single scientific paper, and it may provide only just enough context for the summary to make sense. Links to other papers and more general information are provided wherever possible.

Taking any dose of common pain killers for as little as a week is associated with greater risk of heart attack, according to this meta-analysis, and the risk is greatest in the first month of use. This is probably primarily of concern for people already at risk for heart attack, but this data doesn’t address that question, and it’s a lot of people regardless.

~ Paul Ingraham

original abstract Abstracts here may not perfectly match originals, for a variety of technical and practical reasons. Some abstacts are truncated for my purposes here, if they are particularly long-winded and unhelpful. I occasionally add clarifying notes. And I make some minor corrections.

OBJECTIVE: To characterise the determinants, time course, and risks of acute myocardial infarction associated with use of oral non-steroidal anti-inflammatory drugs (NSAIDs).

DESIGN: Systematic review followed by a one stage bayesian individual patient data meta-analysis.

DATA SOURCES: Studies from Canadian and European healthcare databases.

REVIEW METHODS: Eligible studies were sourced from computerised drug prescription or medical databases, conducted in the general or an elderly population, documented acute myocardial infarction as specific outcome, studied selective cyclo-oxygenase-2 inhibitors (including rofecoxib) and traditional NSAIDs, compared risk of acute myocardial infarction in NSAID users with non-users, allowed for time dependent analyses, and minimised effects of confounding and misclassification bias.

EXPOSURE ANDOUTCOMES: Drug exposure was modelled as an indicator variable incorporating the specific NSAID, its recency, duration of use, and dose. The outcome measures were the summary adjusted odds ratios of first acute myocardial infarction after study entry for each category of NSAID use at index date (date of acute myocardial infarction for cases, matched date for controls) versus non-use in the preceding year and the posterior probability of acute myocardial infarction.

RESULTS: A cohort of 446,763 individuals including 61,460 with acute myocardial infarction was acquired. Taking any dose of NSAIDs for one week, one month, or more than a month was associated with an increased risk of myocardial infarction. With use for one to seven days the probability of increased myocardial infarction risk (posterior probability of odds ratio>1.0) was 92% for celecoxib, 97% for ibuprofen, and 99% for diclofenac, naproxen, and rofecoxib. The corresponding odds ratios (95% credible intervals) were 1.24 (0.91 to 1.82) for celecoxib, 1.48 (1.00 to 2.26) for ibuprofen, 1.50 (1.06 to 2.04) for diclofenac, 1.53 (1.07 to 2.33) for naproxen, and 1.58 (1.07 to 2.17) for rofecoxib. Greater risk of myocardial infarction was documented for higher dose of NSAIDs. With use for longer than one month, risks did not appear to exceed those associated with shorter durations.

CONCLUSIONS: All NSAIDs, including naproxen, were found to be associated with an increased risk of acute myocardial infarction. Risk of myocardial infarction with celecoxib was comparable to that of traditional NSAIDS and was lower than for rofecoxib. Risk was greatest during the first month of NSAID use and with higher doses.

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