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Connect & DownloadA rare vascular anomaly characterized by congenital absence of the right or left pulmonary artery, usually ending within 2 cm of its expected origin from the pulmonary trunk. Patients often also have other cardiovascular abnormalities and respective symptoms and are then typically diagnosed in infancy or childhood, while isolated cases generally present with a mild clinical course and may go undiagnosed until adulthood. Presenting clinical features in isolated cases include hemoptysis, exertional dyspnea, and recurrent respiratory infections. The condition is typically accompanied by marked changes of lung tissue and may, if unrecognized, result in massive hemoptysis and pulmonary hypertension.
The Genetic and Rare Diseases Information Center (GARD) has information and resources for patients, caregivers, and families that may be helpful before and after diagnosis of this condition. GARD is a program of the National Center for Advancing Translational Sciences (NCATS), part of the National Institutes of Health (NIH).
View reportOrphanet has a summary about this condition that may include information on the diagnosis, care, and treatment as well as other resources. Some of the information and resources are available in languages other than English. The summary may include medical terms, so we encourage you to share and discuss this information with your doctor. Orphanet is the French National Institute for Health and Medical Research and the Health Programme of the European Union.
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