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The internal thoracic artery skeletonization method with an ultrasonic scalpel (Harmonic Scalpel: output level 2) appears to be a safe and reliable method of skeletonized internal thoracic artery harvesting when branches are sectioned at least 1 mm distal to their origin at a sufficiently slow speed.

Arch angle augmentation with glutaraldehyde-treated autologous pericardium in the Norwood procedure creates more aortopulmonary space with a smoother arch angle and diminished incidence of postoperative recoarctation, bronchial compression, or branch pulmonary artery compression.

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