Selective Serotonin Reuptake Inhibitor (SSRI) Antidepressants do not Increase the Risk of Cardiovascular Problems

There is some controversy on whether antidepressants increase or reduce the risk of cardiovascular problems (myocardial infarction, stroke or transient ischemic attack, arrhythmia). To address this issue, Coupland and colleagues report the results of an observational study on 238 963 patients aged 20 to 64 years with a first diagnosis of depression. In a five-year follow-up, there was no evidence of an association between SSRI’s and an increased risk of arrhythmia or stroke/transient ischemic attack. The risk of arrhythmia and myocardial infarction seems to be reduced with some selective SSRI’s, particularly fluoxetine. In contrast, an older class of antidepressants, the tricyclics, increase the risk of arrhythmia in the first 28 days of treatment, with the tricyclic lofepramine having the highest risk of cardiovascular problems in the first year of follow-up. The authors conclude that the results are reassuring in light of recent concerns regarding the cardiovascular effects of antidepressants.

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