Annals of Pediatric Cardiology
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Hemodynamic rounds: Dilemma in the management of disconnected pulmonary arteries with double arterial ducts

 Department of Pediatric Cardiology, Madras Medical Mission, Chennai, Tamil Nadu, India

Correspondence Address:
Kothandam Sivakumar,
Department of Pediatric Cardiology, Institute of Cardio Vascular Diseases, Madras Medical Mission, 4A, Dr. J J Nagar, Mogappair, Chennai - 600 037, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/apc.apc_75_21

Segmental pulmonary arterial hypertension occurs when the right and left pulmonary arteries are nonconfluent and receive blood supply from different sources. High blood pressure confined to limited lung segments may accelerate progression of pulmonary vascular resistance. Calculation of segmental vascular resistance and assessment of operability in such situations are done after integrating catheter hemodynamics, magnetic resonance imaging techniques, or perfusion scintigraphy. When an isolated pulmonary artery perfused by a restrictive ipsilateral arterial duct is associated with a large nonrestrictive contralateral arterial duct connected to the other pulmonary artery, leading to unilateral pulmonary arterial hypertension and features of high vascular resistance, it offers unique challenges to decision-making.

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