In patients with a mitral Starr-Edwards prosthesis and aortic incompetence, premature valve closure can be recognized by auscultation and phonocardiography.
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May aid auscultatory detection in Starr-Edwards mitral prostheses with aortic regurgitation; case reports leave open clinical utility.
A mitral Starr-Edwards ball valve has, in three patients with concomitant aortic incompetence, permitted recognition of intermittent premature valve closure by auscultation and this has been documented by phonocardiograms. In two instances the observations were confirmed during cardiac catheterization. The features of premature Starr valve closure are described and the mechanism is discussed.
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Agnew et al. (1970) studied this question.
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