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Association of Tramadol with Risk of Myocardial Infarction Among Patients with Osteoarthritis

Supporting Files
File Language:
English


Details

  • Alternative Title:
    Osteoarthritis Cartilage
  • Personal Author:
  • Description:
    Objective

    Tramadol has been widely used among patients with osteoarthritis (OA); however, there is paucity of information on its cardiovascular risk. We aimed to examine the association of tramadol with risk of myocardial infarction (MI) among patients with OA.

    Design

    Among OA patients aged 50 to 90 years without history of MI, cancer, or opioid use disorder in The Health Improvement Network database in the United Kingdom (2000-2016), three sequential propensity-score matched cohort studies were assembled, i.e., (1) patients who initiated tramadol or naproxen (negative comparator); (2) patients who initiated tramadol or diclofenac (positive comparator); and (3) patients who initiated tramadol or codeine (a commonly used weak opioid). The outcome was incident MI over six-months.

    Results

    Among tramadol and naproxen initiators (n=33,024 in each cohort), 77 (4.8/1000 person-years) and 46 (2.8/1000 person-years) incident MI occurred, respectively. The rate difference (RD) and hazard ratios (HR) for incident MI with tramadol initiation were 1.9 (95% confidence interval [CI] 0.6 to 2.3)/1000 person-years and 1.68 (95% CI 1.16 to 2.41) relative to naproxen initiation, respectively. Among tramadol and diclofenac initiators (n=18,662 in each cohort), 58 (6.4/1000 person-years) and 47 (5.1/1000 person-years) incident MIs occurred, respectively. The corresponding RD and HR for incident MI were 1.2 (95%CI −2.1 to 14.1)/1000 person-years and 1.24 (95%CI 0.84 to 1.82), respectively. Among tramadol and codeine initiators (n=42,722 in each cohort), 127 (6.1/1000 person-years) and 103 (5.0/1000 person-years) incident MI occurred, respectively, and the corresponding RD and HR were 1.1 (95%CI:−0.3 to 2.5)/1000 person-years and 1.23 (95%CI:0.95 to 1.60), respectively.

    Conclusions

    In this population-based cohort of patients with OA, the six-month risk of MI among initiators of tramadol was higher than that of naproxen, but comparable to, if not lower than, those of diclofenac or codeine.

  • Subjects:
  • Source:
    Osteoarthritis Cartilage. 28(2):137-145
  • Pubmed ID:
    31629022
  • Pubmed Central ID:
    PMC7047659
  • Document Type:
  • Funding:
  • Volume:
    28
  • Issue:
    2
  • Collection(s):
  • Main Document Checksum:
    urn:sha256:e0fc4c8acdd7283233ad3033ce2a2e8c596a33167c64340577bc6621dcdbe4a2
  • Download URL:
  • File Type:
    Filetype[PDF - 527.35 KB ]
File Language:
English
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