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Ann Thorac Surg 1988;46:347-348
© 1988 The Society of Thoracic Surgeons

Articles

Mitral Valve Dysfunction Following Papillary Muscle Cryoablation

William Piccione, Jr., M.D., Marshall D. Goldin, M.D.*

From the Department of Cardiovascular-Thoracic Surgery, Rush-Presbyterian-St. Luke's Medical Center, Chicago, IL

Accepted for publication March 18, 1988.

* Address reprint requests to Dr. Goldin, Rush-Presbyterian-St. Luke's Medical Center, 1653 West Congress Pkwy, Chicago, IL 60612-3864.

Cryoablation is recognized as a useful modality for diagnostic mapping, as well as for permanent obliteration of arrhythmogenic foci. This technique has been used to eradicate irritable foci at the base of papillary muscles. We report a case of mitral valve dysfunction requiring valve replacement following cryoablation of the posterior papillary muscle. Based on this experience, we caution against extensive cryoablation of papillary muscle tissue because of the possibility of disrupting mitral valve function.






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