Diagnosis of Structural Deterioration in an Aortic Bioprosthetic Valve by Multidetector Row Computed Tomography: Report of a Case

被引：1

作者：

Teshima, Hideki ^{[1
]}

Akasu, Koji ^{[2
]}

Arinaga, Kouichi ^{[2
]}

Aoyagi, Shigeaki ^{[3
]}

Tanaka, Hiroyuki ^{[2
]}

机构：

[1] Chikamori Hosp Heart Ctr, Kochi 7808522, Japan

[2] Kurume Univ, Sch Med, Dept Surg, Fukuoka, Japan

[3] Munakata Suikokai Gen Hosp, Fukuoka, Japan

来源：

ANNALS OF THORACIC AND CARDIOVASCULAR SURGERY | 2014年 / 20卷

关键词：

multidetector row computed tomography; structural valve deterioration; bioprosthetic valve; PRESSURE RECOVERY; STENOSIS; ECHOCARDIOGRAPHY; IMPACT; LEAFLET; CT;

D O I：

10.5761/atcs.cr.12.01988

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

A 32-year-old female patient presented with shortness of breath. The patient had received aortic valve replacement with a 25-mm bioprosthetic valve at the age of 22, and had had two babies, postoperatively. Ten years later, echocardiography showed the calcified bioprosthetic valve with a high peak pressure gradient (70 mmHg) and a reduced valve orifice area (0.46 cm(2)). Electrocardiographically gated multidetector row computed tomography (ECG-gated MDCT) clearly demonstrated calcified bioprosthetic cusps with reduced mobility, and the valve orifice area was measured to be 0.64 cm(2) by direct planimetry. These findings observed by ECG-gated MDCT were confirmed at reoperation. This is the first reported reoperation case of aortic structural valve deterioration clearly visualized by ECG-gated MDCT.

引用

页码：697 / 701

页数：5

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