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J Thorac Cardiovasc Surg 2008;135:218-219
© 2008 The American Association for Thoracic Surgery

Brief Communication

Rupture of fibrous bands associated with aortic root dilatation

Masaru Yoshikai, MD*, Hiroyuki Ohnishi, MD, Hideyuki Fumoto, MD, Tadashi Yamamoto, MD

Department of Cardiovascular Surgery, Shin-Koga Hospital, Fukuoka, Japan.

Received for publication August 2, 2007; accepted for publication September 11, 2007.

* Address for reprints: Masaru Yoshikai, MD, Department of Cardiovascular Surgery, Shin-Koga Hospital, 120 Tenjin-cho, Kurume, Fukuoka 830-8577, Japan. (Email: myoshi@toq.ne.jp).

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

A case with fibrous bands suspending 3 aortic valve cusps is presented. In this case, the progression of the aortic root dilatation, which occurred more markedly at the sinotubular junction (STJ) level, seemed to increase the tension on the fibrous bands and eventually resulted in the rupture of the fibrous bands worsening in the severity of aortic regurgitation (AR). This report describes the relationship between the serial changes in the size of the aortic root and the fate of the fibrous bands of the aortic valve.

Clinical Summary

A 75-year-old male patient, who had undergone a stent implantation in the left circumflex artery, visited our hospital for a follow-up examination. An echocardiogram disclosed grade II AR and grade I tricuspid regurgitation. The diameter of the aortic annulus was 21 mm, the sinus of Valsalva was 46 mm, and the STJ was 34 mm. The left ventricular dimension and function remained within . . . [Full Text of this Article]






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Copyright © 2008 by The American Association for Thoracic Surgery.