Factors affecting a dilated ascending aorta in patients with bicuspid aortic valve: the relevance of valve anatomy, body size and age
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- 作者：Hiroyuki Nishi (1)
Taichi Sakaguchi (1)
Shigeru Miyagawa (1)
Yasushi Yoshikawa (1)
Satsuki Fukushima (1)
Daisuke Yoshioka (1)
Takayoshi Ueno (1)
Toru Kuratani (1)
Yoshiki Sawa (1) - 关键词：Bicuspid aortic valve ; Ascending aortic aneurysm (surgery on the aorta) ; Indication
- 刊名：Surgery Today
- 出版年：2014
- 出版时间：August 2014
- 年：2014
- 卷：44
- 期：8
- 页码：1483-1489
- 全文大小：323 KB
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Taichi Sakaguchi (1)
Shigeru Miyagawa (1)
Yasushi Yoshikawa (1)
Satsuki Fukushima (1)
Daisuke Yoshioka (1)
Takayoshi Ueno (1)
Toru Kuratani (1)
Yoshiki Sawa (1)
1. Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, 2-2, Yamada-Oka, Suita, Osaka, 565-0871, Japan - ISSN：1436-2813
文摘
Purpose Information regarding the appropriate management of patients with moderately dilated ascending aortas is limited. We investigated factors affecting ascending aortic dilatation in BAV patients, such as anatomy, body size and age. Methods We evaluated 130 patients with BAV (age, 59.9?±?16.1?years; body surface area (BSA), 1.58?±?0.20?m2) who underwent aortic valve surgery. The cusp configuration was determined according to the presence and location of the raphe and the cusp direction. The ascending aortic diameter index (AADI) was calculated using computed tomography and the BSA. Results Sixty-four patients had A-P-type BAV, while 66 had R-L-type BAV. The mean ascending aorta diameter was 42.6?±?6.7?mm, and the mean AADI was 27.1?±?5.6?mm/m2. Based on the AADI, cusp configuration (R-L-BAV: 28.3?±?6.0?mm/m2 vs. A-P-BAV: 25.8?±?4.9?mm/m2, P?2 was more frequently observed in the R-L-BAV group than in the A-P-BAV group. Ascending aortic replacement was required after 10?years in two patients with R-L-BAV and no patients with A-P-BAV. Conclusions The relative ascending aortic diameter helped to identify patients with BAV with a risk of dilatation, indicating that the use of ascending aortic replacement should be considered more frequently in patients with R-L-type BAV, while the procedure is avoidable in elderly patients with A-P-type BAV.