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The Journal of Thoracic and Cardiovascular Surgery, Vol 78, 440-444, Copyright © 1979 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association

ARTICLES

Growth of the pulmonary anulus and pulmonary arteries after the Waterston anastomosis

O Alfieri, EH Blackstone and L Parenzan

Twenty-six patients with tetralogy of Fallot underwent angiocardiography before a Waterston shunt and again several years later, prior to complete repair (mean interval 40 +/- 15.6 [SD] months). The ratio between the diameter of the pulmonary valve anulus (PVA) and that of the descending thoracic aorta (Ao) increased by 0.32 +/- 0.233, significantly more than is reported to occur after a Blalock- Taussig anastomosis (p = 0.0001). This increase had some relation to the interval between the two angiographic studies (r = 0.34, p = 0.08) and to the mean pressure in the main pulmonary artery (MPA) at the time of the second study (r = 0.35, p = 0.08). The ratio of diameter of the right (RPA) and left pulmonary arteries (LPA) and that of the Ao also increased by 0.24 +/- 0.226 and 0.20 +/- 0.201, respectively. These data suggest that an initial large aortopulmonary shunt may result in less need for transannular patching at complete repair.


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 Eur. J. Cardiothorac. Surg.Home page
B. Korbmacher, A. Heusch, U. Sunderdiek, E. Gams, S. Rammos, M. R. Langenbach, and J. D. Schipke
Evidence for palliative enlargement of the right ventricular outflow tract in severe tetralogy of Fallot
Eur. J. Cardiothorac. Surg., June 1, 2005; 27(6): 945 - 948.
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