Connection of the superior vena cava to the pulmonary arteries and takedown of previous systemic-to-pulmonary artery shunts constitutes the stage II procedure. The bidirectional Glenn shunt is a direct anastomosis of the superior vena cava to the central pulmonary artery. The principle advantage of the bidirectional Glenn shunt is the ease of construction; it can even be accomplished without the use of cardiopulmonary bypass in selected cases.
Reproduced with permission from: Tweddell J, Hoffman G, Ghanayem N, et al. Hypoplastic left heart syndrome. In: Moss and Adams' Heart Disease in Infants, Children and Adolescents: Including the Fetus and Young Adult, 7
th ed, Allen H, Driscoll D, Shaddy R, et al. (Eds), Lippincott Williams & Wilkins, Philadelphia 2008. Copyright © 2008 Lippincott Williams & Wilkins.
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