Decreasing Heart Complications of Surgery

It may be possible to reduce heart complications of surgical operations for patients with known heart disease according to a report (1997) in the aNew England Journal of Medicine (NEJM). Heart medications called beta blockers given to patients with heart (cardiac) disease who are undergoing non-cardiac surgery, improve operative survival.

In a study of 200 patients who underwent non-cardiac surgeries, those who received the beta blockers around the time of surgery, were less likely to die over the next two years than those who received a placebo. Beta blockers, which decrease the heart rate, reduce the demands that surgery places on the heart.

An accompanying Editorial pointed out that it is possible to use a simple preoperative history, physical exam and tests (EKG, etc.) to estimate the risk that surgery would have in causing or adding to heart problems. The risk is highest for patients with prior heart attacks, angina, heart failure, or diabetes mellitus, particularly in older age groups or those with unstable symptoms. These risks are cumulative, so that a patient undergoing non-cardiac surgery with three of these indicators, has a 3-4 times greater chance of suffering a heart attack during or shortly after surgery.

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