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  • Title: [Clinical experience with omniscience and omnicarbon prosthetic heart valves].
    Author: Misawa Y, Hasegawa T, Kato M, Ide H.
    Journal: Nihon Kyobu Geka Gakkai Zasshi; 1991 Jun; 39(6):885-90. PubMed ID: 1894964.
    Abstract:
    Omniscience valves were implanted in sixty-two patients. Twenty-eight of these patients underwent aortic valve replacement (AVR), 15 had mitral valve replacement (MVR) and 8 had aortic and mitral valve replacement (DVR). Post-operative events occurred in nine (5.9%/patient year) of the AVR group, in three (1.7%/patient year) of the MVR group and in three (5.4%/patient year) of the DVR group. The actuarial freedom from all events at five years in the AVR, MVR and DVR was 74 +/- 8%, 88 +/- 6%, 67 +/- 16%, respectively. Cardiac death occurred in four (2.5%/patient year) of the AVR, one (0.6%/patient year) of the MVR and two (3.6%/patient year) of the DVR. The freedom at five years in the AVR, MVR and DVR was 88 +/- 6%, 96 +/- 4%, and 77 +/- 14%, respectively. Valve-related complications were noted in four patients. Post-operative cerebral hemorrhage was seen in three of the AVR. Maximum opening angle of the Omniscience valve was 39.1 +/- 4.5 degrees at the aortic position and 44.6 +/- 9.7 degrees at the mitral position. Omnicarbon valves implanted in ninety-five patients, fifty-eight of these patients underwent AVR, 24 had MVR and 13 had DVR. Events occurred post-operatively in four (2.6%/patient year) of the AVR group, in three (12.2%/patient year) of the MVR group, but in none of the DVR group. The freedom at five years was 89 +/- 6% in the AVR and 84 +/- 8% at three years in the MVR. Post-operative cardiac death occurred in one (0.7%/patient year) of the AVR and in two (8.1%/patient year) of the MVR.(ABSTRACT TRUNCATED AT 250 WORDS)
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