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Entrapment of subvalvular mitral tissue causing intermittent failure of a St Jude mitral prosthesis
F Agostini1, R L Click, S L Mulvagh
1Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic and Foundation, Rochester, Minnesota 55905, USA.
Abstract:
Frequently portions of the mitral valve and sub-valvular apparatus are left intact during mitral valve replacement to help preserve left ventricular function. We describe a patient with paroxysmal congestive heart failure caused by intermittent entrapment of the subvalvular apparatus in the prosthesis, preventing complete valve closure.