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The Annals of Thoracic Surgery, Vol 23, 436-441, Copyright © 1977 by The Society of Thoracic Surgeons

ARTICLES

Tree-shaped pulmonary veins in infracardiac total anomalous pulmonary venous drainage

Y Kawashima, H Matsuda, S Nakano, K Miyamoto and M Fujino

Three consecutive patients undergoing corrective operation for the infracardiac type of total anomalous pulmonary venous drainage (TAPVD) were found to have tree-shaped pulmonary veins. Preoperative angiocardiography revealed that in 2 patients the superior and inferior pulmonary veins drained separately, bilaterally, into the vertical vein. In the third patient the right pulmonary veins united to connect with the vertical vein, while the left superior and inferior pulmonary veins drained separately into the vertical vein. At operation inferior pulmonary veins connecting separately with the vertical vein were found to be located posterior to the pericardium. In the previous literature dealing with successful repair of infracardiac TAPVD, there is no mention of the tree-shaped pulmonary veins described in this report. As this particular type of pulmonary vein does not seem to be uncommon, its possible presence should be kept in mind during operation, as it may dictate the selection of surgical procedures.