Impact of mitral valve intervention with left ventricular assist device implantation on postoperative outcomes and morphologic change

Hiroki Hata, Tomoyuki Fujita, Hatsue Ishibashi-Ueda, Kensuke Kuroda, Osamu Seguchi, Yorihiko Matsumoto, Masanobu Yanase, Takuma Sato, Seiko Nakajima, Norihide Fukushima, Junjiro Kobayashi

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Although mitral regurgitation (MR) is prevalent in patients with end-stage heart failure, the impact of mitral valve (MV) surgery on outcomes after left ventricular assist device (LVAD) implantation and morphologic changes of MV remains unclear. We retrospectively reviewed 74 patients who underwent LVAD implantation as a bridge to transplant. Of these, 11 (15%) underwent MV repair concomitant with or prior to LVAD implantation, while 27 patients with preoperative significant (moderate or greater) MR did not undergo concomitant MV surgery. The mean interval between LVAD implantation and the last echocardiographic examination was 913 days. Irrespective of MV surgery, significant LV reverse remodeling including decreased LV and left atrial dimension and improved MR severity was observed in all patients except for patients with prior MV surgery. Histopathological examination of explanted hearts removed at heart transplantation (n = 69) or autopsy (n = 5) revealed that the MV annulus was still dilated (mean perimeter 11.7 cm) in the patients with preoperative significant MR and no concomitant MV surgery. Concomitant MV surgery at the time of LVAD implantation for significant MR might not be always necessary for bridge to transplant or destination therapy cases. However, it might be required in patients having potential for cardiac recovery or patients with severe pulmonary hypertension and depressed right ventricle.

本文言語English
ページ(範囲)164-171
ページ数8
ジャーナルJournal of Artificial Organs
21
2
DOI
出版ステータスPublished - 01-06-2018
外部発表はい

All Science Journal Classification (ASJC) codes

  • 医学(その他)
  • 生体材料
  • 生体医工学
  • 循環器および心血管医学

フィンガープリント

「Impact of mitral valve intervention with left ventricular assist device implantation on postoperative outcomes and morphologic change」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル