The study, published in the March 3, 2005 issue of the New England Journal of Medicine, found that patients with an effective regurgitant orifice of 40 mm 2 or more have a significantly increased risk ...
Prosthesis-patient mismatch — when a patient with aortic stenosis is given a valve prosthesis with an effective orifice area that is too small in relation to body size — is associated with higher risk ...
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