DOI: 10.1055/s-0028-1095953
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Abstract: 29 patients with Lillehei-Kaster vale prostheses, 22 in aortic position and 7 in mitral position, were examined. With small aortic valves (A 14 - A 16) mean gradients averaged 32 mm Hg, valve area varied between 1 and 1.2 cm2. Only size A 20 and larger showed satisfying gradient and valve areas of 1.9 cm2 and greater. The mitral gradients averaged between 10 and 5 mm Hg according to size and valve areas were about 1.6 cm2. The maximal measured opening angle of the pivoting disk averaged 64degrees in the aortic… Show more

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