Supravalvular AS: Anatomy, Physiology, and Surgical Strategy👉Anatomy: fixed LVOT obstruction at the ST junction or proximal ascending Ao, often associated with Williams syndrome and branch pulmonary artery stenosis.👉Physiology: LV pressure overload increases myocardial oxygen demand, while coronary ostial narrowing and impaired diastolic filling may limit supply.👉Surgery: enlarge the STJ/root with patch aortoplasty while preserving the aortic valve, coronary origins, and associated arch/PA an
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Supravalvular AS: Anatomy, Physiology, and Surgical Strategy👉Anatomy: fixed LVOT obstruction at the ST junction or proximal ascending Ao, often associated with Williams syndrome and branch pulmonary artery stenosis.👉Physiology: LV pressure overload increases myocardial oxygen demand, while coronary ostial narrowing and impaired diastolic filling may limit supply.👉Surgery: enlarge the STJ/root with patch aortoplasty while preserving the aortic valve, coronary origins, and associated arch/PA an
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x.comWithAScalpel - Fumiya Yoneyama, MD, PhD
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