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A large international study challenges four decades of standard practice by finding that beta blockers provide no significant benefit to heart attack patients with normal heart function, despite being routinely prescribed to millions worldwide. The research revealed particularly concerning results for women, who showed increased risk of death, repeat heart attack, or heart failure hospitalization when taking these medications compared to women who did not receive them.
Why it matters
This finding could fundamentally change post-heart attack treatment protocols globally, potentially sparing millions of patients from unnecessary medication and associated risks. The gender-specific adverse effects highlight the critical need for sex-disaggregated analysis in cardiac care and may prompt immediate clinical guideline revisions.
A massive international study could upend 40 years of heart attack treatment. Researchers found that beta blockers—routinely prescribed after uncomplicated heart attacks—offered no real benefit for patients whose heart function remained normal, despite being given to millions worldwide. Even more surprising, women taking the drugs faced a higher risk of death, repeat heart attack, or hospitalization for heart failure compared to women who didn’t receive them.
Source: Common heart drug taken by millions found useless — and possibly dangerous
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