「血管内手術の現状と今後の展望」　　心臓弁膜症に対するカテーテル人工弁治療

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  • 塩野 元美
    日本大学医学部外科学系心臓血管・呼吸器・総合外科学分野
  • 畑 博明
    日本大学医学部外科学系心臓血管・呼吸器・総合外科学分野

書誌事項

タイトル別名
  • Transcatheter Aortic Valve Implantation for High-risk Patients with Severe Aortic Stenosis
  • 心臓弁膜症に対するカテーテル人工弁治療
  • シンゾウ ベンマクショウ ニ タイスル カテーテル ジンコウベン チリョウ

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抄録

Since the first successful valve replacement using the caged-ball valve, numerous engineering modifications have been made to enhance hemodynamic performance and durability of the artificial valve. Currently, various types of artificial valves are available are implemented depending on patient characteristics and need for surgical valve replacement. Bioprosthesis has the advantage of a low thromboembolism rate without warfarin, however, structural valve deterioration is a disadvantage. On the other hand, a mechanical valve has superior durability compared to the bioprosthesis. However, mechanical valve use requires life-long anticoagulant therapy. Recently a catheter-delivery heart valve, classified as a bio-prosthesis, has been implanted in patients outside Japan.

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