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Surgical treatment for a supra sinotubular junctional saccular aneurysm associated with aortic regurgitation

  • Hirofumi Fujii
  • Takanori Oka
  • Motohiko Osako
  • Hajime Otani
  • Hiroji Imamura
  • Akiharu Okamura
Case Report
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Abstract

We reported a patient with a saccular ascending aortic aneusysm located just above the non-coronary sinotubular junction. The aneurysm produced severe aortic regurgitation and two episodes of cardiac tamponade. By intraoperative inspection, the border between the aneurysmal wall and non-dilated portion of the normal aortic wall was distinct, and the aortic valve leaflets and aortic annulus appeared normal. Aortic valve dysfunction appeared to be caused by dilation of the noncoronary sinotubular junction and mild distortion of the noncoronary sinus because of the aneurysmal formation. We performed patch closure of the aneurysmal ostium and repaired the dilated noncoronary sinotubular junction. Postoperative echocardiography and aortograpy demonstrated a good coaptation of the aortic valve leaflets with trivial aortic regurgitation. Although a rupture site, dissection or carcinomatous pericarditis which is attributable to the two episodes of cardiac tamponade could not be found, pathologic examination of the aneurysm wall revealed intramural blood leakage between the mucoid degenerated media and notably thickened adventitia. In addition, there was thinning and interruption of the elastic fibers of the media. These findings are consistent with a leaking aneurysm which cause the slow development of cardiac tamponade.

Index words

aortic valve repair aortic regurgitation ascending aortic aneurysm leaking aneurysm 

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Copyright information

© The Japanese Society of Thoracic and Cadiovascular Surgery 1999

Authors and Affiliations

  • Hirofumi Fujii
    • 1
  • Takanori Oka
    • 1
  • Motohiko Osako
    • 1
  • Hajime Otani
    • 1
  • Hiroji Imamura
    • 1
  • Akiharu Okamura
    • 1
    • 2
  1. 1.Department of Thoracic and Cardiovascular SurgeryKansai Medical UniversityOsakaJapan
  2. 2.Department of Surgical PathologyKansai Medical UniversityOsakaJapan

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