Comparison of aortic annulus dimensions after aortic valve neocuspidization with those of normal aortic valve using transthoracic echocardiography

Yasunori Iida, Sho Akiyama, Kazuma Shimura, Susumu Fujii, Chihiro Hashimoto, Saki Mizuuchi, Yumi Arizuka, Miyuki Nishioka, Nami Shimura, Sachiko Moriyama, Hideyuki Shimizu, Shigeharu Sawa

研究成果: Article査読

9 被引用数 (Scopus)

抄録

OBJECTIVES: This study aimed to elucidate the physiological feasibility of aortic valve neocuspidization (AVNeo) by comparing the aortic annulus dimensions between patients after AVNeo and patients with normal aortic valves. METHODS: From December 2010 to October 2017, we performed AVNeo for various aortic valve pathologies in 147 patients. Of these patients, the aortic annulus dimensions were measured in 25 patients who underwent AVNeo for aortic valve disease as follow-up examination and compared with those measured in 15 patients who had normal aortic valves. Measurements were recorded using electrocardiography-gated transthoracic echocardiography. RESULTS: No significant differences in the aortic annulus dimensions were observed between the patients who had undergone AVNeo and those who had normal aortic valves. In a cardiac cycle, the annulus area in the systolic phase was consistently larger than that in the diastolic phase, which was a physiological condition. CONCLUSIONS: The movement of the aortic annulus after AVNeo is comparable with that of the aortic annulus of a normal aortic valve. Thus, AVNeo can be regarded as a more physiological operation in that it maintains the characteristics of the aortic valve similar to those of a normal aortic valve.

本文言語English
ページ(範囲)1081-1084
ページ数4
ジャーナルEuropean Journal of Cardio-thoracic Surgery
54
6
DOI
出版ステータスPublished - 2018 12 1

ASJC Scopus subject areas

  • 外科
  • 呼吸器内科
  • 循環器および心血管医学

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