Abstract
A case of diffuse supravalvular aortic stenosis (SVAS) with Williams syndrome is reported. In this case of severe diffuse SVAS, we performed the diamond-patch aortoplasty in a child. However he has been suffering from residual SVAS. At 9-years old, the myocardial injury was noted by myocardial scintigraphy. Preoperative cardiac catheterization and angiography revealed the hypoplastic ascending aorta and arch with a pressure gradient of 89 mmHg at the distal site from the left subclavian artery. Through only a median stenotomy, an extended patch aortoplasty between the valsalva sinus and distal arch was performed and an extraanatomic bypass from the ascending aorta to the descending aorta was employed using a 10 mm tube graft. We realize this technique is available because this method can relieve the left ventriculus of the pressure load and operate via only median sternotomy.
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Kumada, Y., Yasuda, H., Sasaki, E. et al. Reoperation for diffuse supravalvular aortic stenosis with Williams syndrome —Extended patch aortoplasty and extra-anatomic bypass from the ascending aorta to the descending aorta in a median sternotomy—. Jpn J Thorac Caridovasc Surg 46, 1061–1064 (1998). https://doi.org/10.1007/BF03217875
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DOI: https://doi.org/10.1007/BF03217875