Respir Med Case Rep. 2017 Sep 14;22:238-242. doi: 10.1016/j.rmcr.2017.09.004. eCollection 2017.
Unilateral absent pulmonary artery in an adult - A diagnostic and therapeutic challenge.
Respiratory medicine case reports
Faheem Seedat, Ismail S Kalla, Charles Feldman
Affiliations
Affiliations
- Department of Internal Medicine, Faculty of Health Sciences, University of Witwatersrand, Johannesburg, South Africa.
- Division of Pulmonology, Department of Internal Medicine, Charlotte Maxeke Johannesburg Academic Hospital and Faculty of Health Sciences, University of Witwatersrand, Johannesburg, South Africa.
PMID: 28951831
PMCID: PMC5604951 DOI: 10.1016/j.rmcr.2017.09.004
Abstract
Unilateral absent pulmonary artery (UAPA) is a congenital abnormality rarely diagnosed in adults. UAPA has a myriad of clinical presentations and pulmonary hypertension is present in a quarter of all cases. Isolated UAPA commonly affects the right pulmonary artery and occurs as a result of abnormal development of the sixth aortic arch segment. Due to its rarity, it remains a diagnostic and therapeutic challenge. We describe a case of UAPA in an adult presenting with severe pulmonary hypertension. We describe the appropriate diagnostic approach to a patient with pulmonary hypertension and illustrate the importance of a detailed evaluation to determine the underlying aetiology, particularly in rare causes. Furthermore, we review the clinical presentation, diagnosis and management challenges of UAPA in adults.
Keywords: CTEPH, Chronic thromboembolic pulmonary hypertension; CTPA, Computed tomography pulmonary angiogram; Diagnosis; ECG, Electrocardiogram; MRI, Magnetic resonance imaging; Pulmonary hypertension; SVT, Supraventricular tachycardia; Therapy; UAPA, Unilateral absent pulmonary artery; Unilateral absent pulmonary artery
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