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Ann Thorac Surg 1989;48:824-828
© 1989 The Society of Thoracic Surgeons

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Articles

Thrombectomy of the Björk-Shiley prosthetic valve revisited: Long-term results

Cardiovascular Surgery, Clinica Puerta de Hierro, Madrid, Spain

Accepted for publication August 25, 1989.

^_* Address reprint requests to Dr Montera, C. Costa Brava 45, Apt 1E, 28034 Madrid, Spain.

Thrombotic obstruction of the Björk-Shiley prosthetic valve it a catastrophic complication, often leading to a fatal outcome. Worldwide experience with the Björk-Shiley valve supports the nead fur long-term anticoagulation to prevent entrapment of the disc. Replacement of the malfunctioning device is associated with a high mortality, and therefore a more expeditious method is desirable. It is our experience that simple thrombectomy may suffice in most occasions, even for the mitral position, and especially when done through a bicameral approach in order to visualize both supravalvular and infrevalvular regions. The philosophy and results with thrombectomy and disc rotation in 12 cases of thrombotic occlusion of the Björk-Shiley valve are described. It is suggested that this method may be preferable to replacement of the thrombosed prosthetic valve in select patients.

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