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The Annals of Thoracic Surgery, Vol 29, 423-427, Copyright © 1980 by The Society of Thoracic Surgeons

ARTICLES

Thirteen years' experience with the Kay-Shiley disc valve for tricuspid replacement in Ebstein's anomaly

M Shigenobu, MA Mendez, P Zubiate and JH Kay

From August, 1965, to November, 1974, 11 patients underwent operation for Ebstein's anomaly. In 1 patient operated on on August 16, 1965, the early Kay-Shiley disc valve was used. In the remaining 10 patients, the Kay-Shiley muscle guard valve was inserted. This valve was designed to prevent the prosthesis from encroaching on the right ventricle, thereby increasing the flow around the disc. One patient with a history of Wolff-Parkinson-White syndrome died of dysrhythmia on the first postoperative day. The other 10 patients have been followed from 4 to 13 years (mean, 6 years 2 months) after operation. Seven patients are working full-time without difficulty, 2 are housewives, and 1 attends school. All patients have improved at least one class in the New York Heart Association Functional Classification.