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Circular shunt in a pulmonary artery to right atrial tunnel, an anomaly unreported so far.

ABSTRACT: While aortico-right atrial tunnels with left to right shunt from aorta to right atrium are reported widely, pulmonary artery to right atrial tunnels have not been described so far. Such a tunnel will lead to a circular shunt with a recirculation of blood in the right sided cardiac chambers repeatedly bypassing the pulmonary capillary bed. This newly described pulmonary artery to right atrial tunnel was closed nonsurgically with a duct occluder after angiographic delineation.

SUBMITTER: Singhi AK 

PROVIDER: S-EPMC4070210 | biostudies-literature | 2014 May

REPOSITORIES: biostudies-literature

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Circular shunt in a pulmonary artery to right atrial tunnel, an anomaly unreported so far.

Singhi Anil Kumar AK   Sivakumar Kothandam K  

Annals of pediatric cardiology 20140501 2

While aortico-right atrial tunnels with left to right shunt from aorta to right atrium are reported widely, pulmonary artery to right atrial tunnels have not been described so far. Such a tunnel will lead to a circular shunt with a recirculation of blood in the right sided cardiac chambers repeatedly bypassing the pulmonary capillary bed. This newly described pulmonary artery to right atrial tunnel was closed nonsurgically with a duct occluder after angiographic delineation. ...[more]

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