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The Journal of Thoracic and Cardiovascular Surgery, Vol 71, 218-225, Copyright © 1976 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association

ARTICLES

Results of mitral valve replacement with the Beall prosthesis in 209 patients

J Fermandez, D Morse, P Spagna, G Lemole, A Gooch, SS Yang and V Maranhao

In this 3 year study of 209 patients who underwent mitral valve replacement with the newer Beall prostheses (Models 104 and 105) the operative mortality rate was 5.2 per cent. None of these deaths was related to the valve. This prosthesis features a larger frustrum area and a "turtle-neck" sewing ring which permits its rapid insertion with a continuous suture technique. Of the 20 (9.5 per cent) late deaths, two were due to thrombosis of the valve. Among the 178 survivors, 17 developed thromboembolic complications; however, 10 of these patients recovered. Late clinical results have been quite satisfactory in over 90 per cent of the survivors. In the 15 patients who underwent hemodynamic studies postoperatively, the cardiac index and pulmonary artery pressure showed significant improvement; however, they still had transvalvular gradients at rest. The improvement in the design of this prosthesis has been an important factor in lowering the operative risk and improving the late results of mitral valve replacement.