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The Journal of Thoracic and Cardiovascular Surgery, Vol 96, 765-768, Copyright © 1988 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association

ARTICLES

A new technique for repair of mitral insufficiency caused by ruptured chordae of the anterior leaflet

F Gregory Jr, R Takeda, S Silva, L Facanha and MA Meier
Department of Surgery, School of Medicine, State University of Londrina, Parana, Brazil.

Prolapse of the anterior leaflet of the mitral valve is the result of ruptured chordae, elongated chordae, or elongated or ruptured papillary muscle. Several techniques have been described for the correction of mitral valve insufficiency. However, when there is severe rupture of the chordae, the most widely accepted solution is valve replacement. We describe a technique for the creation of a neochorda with a strip of tissue from the anterior leaflet of the mitral valve. This technique was used in two patients with severe mitral valve regurgitation. Formation of a neochorda and placement of a Carpentier ring to remodel the anulus obviated the need for a valve replacement. Both patients had an uneventful recovery. Studies performed 3 and 4 months postoperatively showed competent and well-functioning valves. One patient required a valve replacement for acute mitral insufficiency 5 years later, but the other patient was doing well 3 years after the operation. Despite the limited experience, we believe this technique offers a reasonable alternative to valve replacement.

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