Left pulmonary artery from descending thoracic aorta: Part of spectrum of anomalous aortic origin of pulmonary arteries?

Sir,

We read with much interest the article by Agati et al., “Anomalous aortic origin of pulmonary arteries: Case series and literature review” published in September–December 2019 issue of the Annals of Pediatric Cardiology. It is a well-written narrative review along with a report of four cases.

However, we feel that that it may not be appropriate to define this group of patients as “intrapericardial origin of one pulmonary artery with further description provided of any associated lesions” or as “anomalous origin of pulmonary arteries from ascending aorta.” Anomalous origin of the left pulmonary artery from descending thoracic aorta has been described before, with unique embryologic considerations.[123] The description used by the authors in this article completely excludes this subset of patients.

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