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The Journal of Thoracic and Cardiovascular Surgery, Vol 91, 168-173, Copyright © 1986 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association

ARTICLES

Fate of thrombectomized Bjork-Shiley valves. A long-term cinefluoroscopic, echocardiographic, and hemodynamic evaluation

P Venugopal, U Kaul, KS Iyer, IM Rao, A Balram, B Das, A Sampathkumar, S Mukherjee, M Rajani and HS Wasir

Fourteen patients underwent thrombectomy for thrombosis of implanted Bjork-Shiley valves (13 in the mitral and one in the aortic position) between January, 1975, and July, 1984. There was no operative mortality or perioperative embolism. Over a follow-up period of 1 to 96 months (average 23.5 months), there was no late mortality. Serial evaluation of valve function by cinefluoroscopy and echocardiography has shown no evidence of rethrombosis or valve dysfunction in any of the patients. Cardiac catheterization and angiocardiography done in 10 patients at various intervals (1 month to 6 years) postoperatively have shown normal valve function in all and normalization of elevated preoperative intracardiac pressures in the majority. Our experience suggests that thrombectomy of thrombosed Bjork-Shiley valves provides excellent early and long-term results in terms of patient survival and valve function.

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