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Half of Eligible Patients Not Getting Mitral Valve Surgery: Study
A leaking mitral valve, known as mitral regurgitation or mitral insuffiency, can lead to fatigue, abnormal heart rhythms with irregular heart beats, and congestive heart failure. The longer the leak continues, the more likely there will be permanent heart damage.
Among those who were not operated on, three-fourths of patients met at least one indication for surgery, according to guidelines from the American College of Cardiology and the American Heart Association.
"In general, cardiologists tend to overestimate the risks of surgery and underestimate the potential benefits for patients," says lead author David S. Bach, professor of internal medicine at the U-M Medical School and cardiologist at the U-M Cardiovascular Center.
Researchers identified 300 patients with moderate to severe mitral regurgitation for the study in the Journal of the American College of Cardiology. Patients had been screened in the University of Michigan Echocardiography Laboratory.
Among them, 188 patients had functional mitral regurgitation, of whom just 30 underwent surgery. Of the 112 patients with severe organic mitral valve regurgitation, only half had surgery.
Surgical risk scores were no different among patients who underwent surgery compared to those who did not.
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