Letter by Naimer Regarding Article, “Duration of Treatment With Nonsteroidal Anti-Inflammatory Drugs and Impact on Risk of Death and Recurrent Myocardial Infarction in Patients With Prior Myocardial Infarction: A Nationwide Cohort Study”

To the Editor:I read with great interest the article by Schjerning Olsen et al,1 in which they demonstrated the apparent detrimental impact of nonsteroidal anti-inflammatory drugs on the incidence of cardiac events in patients with a previous infarct. Although an abundance of evidence confirms the harmful influence of the class effect of cyclooxygenase inhibitors on cardiac function and coronary vascularity, the authors assert further epidemiological support that short-term treatment too can have dangerous implications. However, the authors' methods overlooked the …