Reconstruction of Bicuspid Aortic Valve With Autologous Pericardium : Usefulness of Tricuspidization

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  • Ozaki Shigeyuki
    Department of Cardiovascular Surgery, Toho University Ohashi Medical Center
  • Kawase Isamu
    Department of Cardiovascular Surgery, Toho University Ohashi Medical Center
  • Yamashita Hiromasa
    Department of Cardiovascular Surgery, Toho University Ohashi Medical Center
  • Uchida Shin
    Department of Cardiovascular Surgery, Toho University Ohashi Medical Center
  • Nozawa Yukinari
    Department of Cardiovascular Surgery, Toho University Ohashi Medical Center
  • Takatoh Mikio
    Department of Cardiovascular Surgery, Toho University Ohashi Medical Center
  • Hagiwara So
    Department of Cardiovascular Surgery, Toho University Ohashi Medical Center
  • Kiyohara Nagaki
    Department of Cardiovascular Surgery, Toho University Ohashi Medical Center

書誌事項

タイトル別名
  • Reconstruction of Bicuspid Aortic Valve With Autologous Pericardium
  • – Usefulness of Tricuspidization –

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Background: This study describes the surgical treatment of bicuspid aortic valve with original aortic valve reconstruction. Methods and Results: Aortic valve reconstruction was done in 102 patients with bicuspid aortic valve from April 2007 through September 2011. Thirty-four patients with ascending aortic diameter >45mm underwent hemi-arch aortic replacement concomitantly. Seventy-seven patients had aortic stenosis, and 25 had aortic regurgitation (AR). Mean age was 63.7±10.0 years old. There were 55 men and 47 women. Harvested pericardium is treated with 0.6% glutaraldehyde solution. The distance between commissures is measured with an original sizing instrument. For bicuspid valve with raphe, the raphe is considered as a commissure in order to measure the distance between each commissure. Without a raphe, we create a new annular margin and commissure using coronary ostium and the sizing instrument as a guide. Then, pericardium is trimmed with original template. Three cusps are sutured independently. The preoperative averaged peak pressure gradient of 71.1±39.0mmHg was decreased to 16.2±8.8, 13.3±6.0, and 13.9±5.6mmHg, respectively 1 week, 1 year, and 3 years after operation. AR was trivial. One reoperation was recorded. Mean follow-up was 733 days. There were 5 late mortalities. No thromboembolic event was recorded. Conclusions: Medium-term results were excellent. Tricuspidization gave good opening and closure of aortic valve with excellent hemodynamics.  (Circ J 2014; 78: 1144–1151)<br>

収録刊行物

  • Circulation Journal

    Circulation Journal 78 (5), 1144-1151, 2014

    一般社団法人 日本循環器学会

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