Novel three-sinus enlargement technique for supravalvular aortic stenosis without aortic transection

Journal of Cardiothoracic Surgery
Shinya YokoyamaNoboru Nishiwaki

Abstract

Although repair of a supravalvular aortic stenosis (SVAS) can be performed with low mortality rates, surgery for the complex form of SVAS continues to be associated with a high incidence of residual stenosis. The patient was referred to our hospital at 1 month of age and was diagnosed with aortic valve stenosis (AS) by using echocardiography. Cardiac catheterization revealed moderate AS, and subsequent left ventriculography revealed discrete stenosis of the sino-tubular junction and a narrowed proximal ascending aorta. We performed a reconstructive operation for such heart defects involving novel three-sinus and ascending aorta enlargement without aortic root transection in a 6-month-old boy. Our novel three-sinus enlargement technique is suitable for treating each type of SVAS and is a useful method for a baby particularly less than 10 kg without disturbing the growth of the ascending aorta.

References

Oct 27, 1999·The Journal of Thoracic and Cardiovascular Surgery·C StammP J del Nido
Jan 1, 2008·Multimedia Manual of Cardiothoracic Surgery : MMCTS·Elena ArnáizMark G Hazekamp

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