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J Thorac Cardiovasc Surg 2005;130:1459-1461
© 2005 The American Association for Thoracic Surgery

Brief Communication

Geometric change of mitral valve leaflets and annulus after reconstructive surgery for ischemic mitral regurgitation: Real-time 3-dimensional echocardiographic study

^a Department of Cardiology, Kawasaki Medical School, Kurashiki, Japan
^b Department of Thoracic and Cardiovascular Surgery, Kawasaki Medical School, Kurashiki, Japan
^c Department of Medical Engineering and Systems of Cardiology, Kawasaki Medical School, Kurashiki, Japan

Received for publication June 3, 2005; revisions received June 10, 2005; accepted for publication June 30, 2005.

^_* Address for reprints: Yasuko Yamaura, MD, Division of Cardiology, Hyogo Health Service Association, 4-4-20, Mikage-Honmachi, Higashinada-ku, Kobe, 658-0046, Japan. (Email: yasuko-yamaura@mvj.biglobe.ne.jp).

The first 20% of the full text of this article appears below.

Watanabe, Yamaura, Wada, Ogasawara (left to right)

Ischemic mitral regurgitation (IMR) is a functional regurgitation characterized by structurally normal leaflets and subvalvular apparatus and is an important complication after myocardial infarction that is associated with excess mortality. ¹ Reconstructive surgery, which restores a more normal alignment between the mitral annulus and displaced papillary muscles, might be beneficial in patients with IMR. However, little is known about the 3-dimensional (3-D) geometric changes of mitral leaflets and annulus after such reconstructive surgery for patients with IMR. We developed novel software, named Anatomical Image Creation System (AICS), which allows 3-D visualization and quantitative analysis of the mitral leaflets and annulus by using transthoracic real-time 3-D echocardiography (RT3DE). ² We already demonstrated the apparent tenting of the mitral leaflets with flattened annulus in patients with IMR using this system. ³ In the present study we evaluated the 3-D geometric changes of the mitral leaflets and annulus in patients after reconstructive surgery for IMR using AICS.

Methods

We studied . . . [Full Text of this Article]

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