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PEDIATRIC ANESTHESIA

The Assessment of the Proximal Left Pulmonary Artery by Transesophageal Echocardiography and Computed Tomography in Neonates and Infants: A Case Series

Shen-Kou Tsai, MD^*, Chung-I Chang, MD, Ming-Jiuh Wang, MD^*, Shyh-Jye Chen, MD, Ing-Sh Chiu, MD, Yieh-Sharng Chen, MD, and Hung-Chi Lue, MD

Departments of *Anesthesiology, Surgery, Radiology, and Pediatrics, National Taiwan University, College of Medicine and Hospital, Taipei, Taiwan

Address correspondence and reprint requests to Dr. Shen Kou Tsai, MD, PhD, Professor and Chairman, Department of Anesthesiology, National Taiwan University, School of Medicine and Hospital, Taipei, Taiwan. Address e-mail to sktsai{at}ha.mc.ntu.edu.tw

IMPLICATIONS: Transesophageal echocardiography (TEE) is often used during surgical repair of congenital heart disease. In our case series of 256 newborns and infants, we found that a left paracarinal view of TEE could visualize the proximal left pulmonary artery, a frequent blind spot for TEE, in most patients, except in a few cases with anatomic variations of the esophagus in the right lateral to the vertebra.