Partial anomalous pulmonary venous return (PAPVR)

Case contributed by Dr Charlie Chia-Tsong Hsu

Presentation

60 year old male.

Patient Data

Age: 60
Gender: Male

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Annotated image

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Case Discussion

Partial anomalous pulmonary venous return (PAPVR) has a prevalence of 0.5% in the general population1. Anomalous pulmonary vein drains into the pulmonary circulation via the superior vena cava (SVC), azygos, innominate veins, inferior vena cava (IVC), coronary sinus or right atrium) creating a pulmonary-to-systemic shunt.1,2 

Patients may be asymptomatic if the shunt is small. However, when the shunt is large or when there is associated cardiopulmonary anomalies, the patient may be symptomatic1,2.The most common configuration is when the right upper lobe pulmonary vein drains into SVC or - as in this case - a left upper lobe pulmonary vein draining into left innominate vein.1 Surgical correction is suggested if the pulmonary-to-systemic flow ratio is greater than 1.5 to avoid late sequelae of pulmonary hypertension and right ventricular failure.1,2

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Case information

rID: 20122
Case created: 4th Nov 2012
Last edited: 19th Dec 2015
Systems: Vascular, Cardiac
Inclusion in quiz mode: Included

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