People who experience a heart attack that is not classed as severe may not benefit from taking long-term beta blockers, a heartbeat stabilizing drug commonly prescribed as a long-term treatment for people who experience myocardial infarction.

The results of the REBOOT trial, presented at the European Society of Cardiology Conference this week in Madrid and published in NEJM , showed that long term beta blockers were not helpful for preventing future cardiovascular events in people who have a milder heart attack (classed as having a left ventricular ejection fraction above 40% after treatment).

The same researchers, based at Spain’s National Center of Cardiovascular Research (CNIC) in Madrid, also showed in a sub study published in the European Heart Journal that long term use o

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