Arterial supply to the lungs in tetralogy of Fallot with pulmonary atresia or critical pulmonary stenosis

Siew Yen ho, Gualtiero Catani, Jeong-Wook Seo

Research output: Contribution to journalArticleResearchpeer-review

8 Citations (Scopus)

Abstract

The arterial supply to the lungs in cases with tetralogy of Fallot with pulmonary atresia or critical pulmonary stenosis is mostly via the arterial duct or else by collateral arteries arising directly or indirectly from the aorta. Nine anatomical specimens with collateral arteries were studied by blunt dissection to determine the arterial supply to each pulmonary segment. The precise supply varied from case to case but, overall, nearly two-thirds of the pulmonary segments were connected to the central pulmonary arteries. A quarter were supplied exclusively by systemic-to-pulmonary collateral arteries, with the remainder having a dual supply. Coexistence of ductal connections and systemic-to-pulmonary collateral arteries was seen in one case. Anastomoses between vessels of different origins were observed up to the segmental level in eight of the nine cases. In four cases, the anastomoses formed arterial rings. The extent of pulmonary parenchyma supplied by arteries from different sources and the presence of arterial anastomoses in these malformations have implications on the planning of surgical repair.

Original languageEnglish
Pages (from-to)65-72
Number of pages8
JournalCardiology in the Young
Volume2
Issue number1
DOIs
StatePublished - 1 Jan 1992

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Pulmonary Atresia
Pulmonary Valve Stenosis
Tetralogy of Fallot
Pulmonary Artery
Lung
Arteries
Aorta
Dissection

Keywords

  • Bronchial arteries
  • pulmonary atresia
  • systemic-to-pulmonary collateral arteries
  • tetralogy of Fallot

Cite this

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abstract = "The arterial supply to the lungs in cases with tetralogy of Fallot with pulmonary atresia or critical pulmonary stenosis is mostly via the arterial duct or else by collateral arteries arising directly or indirectly from the aorta. Nine anatomical specimens with collateral arteries were studied by blunt dissection to determine the arterial supply to each pulmonary segment. The precise supply varied from case to case but, overall, nearly two-thirds of the pulmonary segments were connected to the central pulmonary arteries. A quarter were supplied exclusively by systemic-to-pulmonary collateral arteries, with the remainder having a dual supply. Coexistence of ductal connections and systemic-to-pulmonary collateral arteries was seen in one case. Anastomoses between vessels of different origins were observed up to the segmental level in eight of the nine cases. In four cases, the anastomoses formed arterial rings. The extent of pulmonary parenchyma supplied by arteries from different sources and the presence of arterial anastomoses in these malformations have implications on the planning of surgical repair.",
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Arterial supply to the lungs in tetralogy of Fallot with pulmonary atresia or critical pulmonary stenosis. / Yen ho, Siew; Catani, Gualtiero; Seo, Jeong-Wook.

In: Cardiology in the Young, Vol. 2, No. 1, 01.01.1992, p. 65-72.

Research output: Contribution to journalArticleResearchpeer-review

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