Right Heart Flow Dynamics after Tricuspid Valve Annuloplasty. Characteristics and Time Course.:Characteristics and Time Course
スポンサーリンク
概要
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To evaluate the effect of tricuspid annuloplasty (TAP) on right heart flow dynamics, we analyzed tricuspid inflow velocity pattern, jugular venous pulse and color Doppler flow signal of tricuspid regurgitation (TR) before and after surgery in 16 patients who underwent TAP (TAP group). Cardiac rhythm was atrial fibrillation in all patients. Twelve patients with lone atrial fibrillation served as controls (AF group). Patients in the TAP group were studied before and serially after surgery with a mean follow-up period of 2.7 years. TAP was performed according to the modified De Vega technique in all patients. In a comparison of the most recent data in the TAP group and the data in the AF group, the maximum tricuspid inflow velocity was significantly increased, and both the deceleration time of the tricuspid inflow velocity wave and the y-h interval of the jugular venous pulse were significantly prolonged in the TAP group compared to the AF group. Immediately after surgery, in the TAP group, the area of the TR jet was markedly decreased, and the deceleration time of the tricuspid inflow velocity wave was significantly prolonged compared to those before surgery. The area of the TR jet was dramatically decreased and remained small during the follow-up period. Thus, TAP may produce mild tricuspid stenosis but may also confer sustained preventive effects against TR.
著者
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Yamada Hirotsugu
The University of Tokushima Graduate School of Medicine
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SHINOHARA Hisanori
Institute for Materials Research (IMR), Tohoku University
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Tabata Tomotsugu
Second Department of Internal Medicine
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Yamada Hirotsugu
Second Department of Internal Medicine
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IUCHI Arata
Second Department of Internal Medicine,University of Tokushima
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Oki Takashi
Second Department Of Internal Medicine
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TAMURA Yoshiyuki
Institute for Clinical Research, Zentsuji National Hospital
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FUKUDA Nobuo
Institute for Clinical Research, Zentsuji National Hospital
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SOEKI Takeshi
Institute for Clinical Research, Zentsuji National Hospital
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OKI Takashi
Second Department of Internal Medicine, Tokushima University School of Medicine
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TAKEICHI Naoki
Institute for Clinical Research, Zentsuji National Hospital
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YUI Yasuko
Institute for Clinical Research, Zentsuji National Hospital
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IUCHI Arata
Second Department of Internal Medicine, Faculty of Medicine, Tokushima University
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SHINOHARA Hisanori
Institute for Clinical Research, Zentsuji National Hospital
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