Catalog

Systemic-to-pulmonary collateral arteries

No MMS code

Link to WHO Definition

Systemic-to-pulmonary collateral arteries – http://id.who.int/icd/entity/807948372

A congenital cardiovascular malformation in which the blood supply to the lungs is derived completely or in part from collateral vessels that arise from the aorta or its branches. Additional information: at least part of the pulmonary blood flow is derived from systemic-to-pulmonary collateral arteries that are highly variable in number, and that usually arise from the descending thoracic aorta, but uncommonly may originate from the aortic arch or the subclavian, carotid or even the coronary arteries. There may or may not be native pulmonary arteries which, if present, may be hypoplastic, and either confluent or non-confluent.