Common Heart Medication, Beta Blockers, May Trigger Depression


Beta blockers may be linked to higher depression risk in heart attack patients without heart failure.

Common Heart Medication, Beta Blockers, May Trigger Depression

A Swedish study has challenged the widespread use of beta-blockers for all heart attack patients. While these medications are commonly prescribed to regulate heart rate and blood pressure, the study suggests that patients with normal heart pumping function may not benefit from them. Furthermore, a recent sub-study indicates that beta-blockers could potentially increase the risk of depression in these individuals. (1 Trusted Source
Short- and long-term effects of beta-blockers on symptoms of anxiety and depression in patients with myocardial infarction and preserved left ventricular function: a pre-specified quality of life sub-study from the REDUCE-AMI trial

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“At the same time, beta blockers have no life-sustaining function for this group of patients,” says Philip Leissner, a doctoral student in cardiac psychology and the study’s first author.

What are Beta Blockers

Beta blockers are drugs that block the effects of adrenaline on the heart and have been used for decades as a basic treatment for all heart attack patients. In recent years, their importance has started to be questioned as new, successful treatments have begun to be developed. This is mainly the case for heart attack patients whose heart has a normal pumping function even after the attack, i.e. people who do not suffer from heart failure.

The researchers wanted to look at the side effects of beta blockers, that is, whether they affect anxiety and depression levels. This is because older research and clinical experience suggests that beta blockers are linked to negative side effects such as depression, difficulty sleeping and nightmares.

Earlier this year, a major national study was conducted in Sweden which found that those who received beta-blocking drugs were not protected from relapse or death compared to those who did not receive the drug. Leissner and his colleagues based their research on these findings and conducted a sub-study.

It ran from 2018 to 2023 and involved 806 patients who had had a heart attack but no problems with heart failure. Half were given beta blockers and the other half were not. About 100 of the patients receiving beta blockers had been taking them since before the study, and the researchers observed more severe symptoms of depression in them.

“Most doctors used to give beta blockers even to patients without heart failure, but as the evidence in favour of doing so is no longer so strong, this should be reconsidered. We could see that some of these patients appear to be more at risk of depression. If the drug doesn’t make a difference to their heart, then they are taking it unnecessarily and at risk of becoming depressed,” adds Leissner.

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Reference:

  1. Short- and long-term effects of beta-blockers on symptoms of anxiety and depression in patients with myocardial infarction and preserved left ventricular function: a pre-specified quality of life sub-study from the REDUCE-AMI trial – (https://academic.oup.com/ehjacc/advance-article/doi/10.1093/ehjacc/zuae112/7826585)

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