Interatrial right-to-left shunt after lung surgery: diagnostic value of perfusion lung scanning

The American Journal of the Medical Sciences
Carlo MariniOttavio Giampietro

Abstract

A 61-year-old woman presented with platypnea and orthodeoxia after right pneumonectomy for lung cancer. A perfusion lung scan taken after tracer injection in the sitting position showed an extrapulmonary uptake of radioactivity consistent with a right-to-left shunt. Such extrapulmonary uptake was no longer evident when tracer was injected in supine posture. The authors emphasize the value of perfusion lung scanning in the assessment of patients with unexplained dyspnea after thoracic surgery.

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Citations

Jun 10, 2014·Clinical Cardiology·Joseph T KnapperLaurence S Sperling
Dec 3, 2020·Journal of Investigative Surgery : the Official Journal of the Academy of Surgical Research·Athanassios KrassasKosmas Iliadis
Oct 3, 2021·BMJ Case Reports·Matthew StewardChristopher Dickson

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