From the Canadian Press:
New research raises concerns about the popular practice of giving most heart patients drugs that reduce the heart's workload before and after major surgery.
Guidelines recommend giving beta blocker pills to people at high risk of heart problems if they are undergoing non-cardiac surgery. But hospitals routinely prescribe the drugs to most heart patients, even those at lower risk of complications, who are having an operation. Researchers found that low-risk patients given the drugs were significantly more likely to die. ...more
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