Norwood-Operation
The Norwood procedure is a palliative procedure that is the first of three stages in the surgical treatment of hypoplastic left heart syndrome.
The procedure consists of three components:
- constructing a neo-aorta by side-to-side anastomosis of the main pulmonary artery and ascending aorta, such that the right ventricle supplies the systemic circulation
- creating a systemic-to-pulmonary shunt to provide some pulmonary blood flow
- in the classic Norwood procedure, a modified Blalock-Taussig shunt is placed
- in the Sano modification, a right ventricle-to-pulmonary artery conduit (Sano shunt) is used instead
- atrial septal resection
History and etymology
William Norwood and associates described the technique in 1980s .
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