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  • Title: Reversed intrapulmonary right-to-left shunt after banding of the patent ductus venosus.
    Author: Suga K, Ogasawara N, Matsunaga N, Sugio Y, Shimizu R.
    Journal: Clin Nucl Med; 2003 Oct; 28(10):827-33. PubMed ID: 14508274.
    Abstract:
    Diffuse pulmonary microvascular arteriovenous communication developed in an 8-year-old girl with a patent ductus venosus. Tc-99m macroaggregated albumin (MAA) pulmonary perfusion scintigraphy with total-body imaging demonstrated multiple lung perfusion deficits and abnormal tracer uptake in systemic organs with hepatic radioactivity greater than the kidneys, suggesting the presence of right-to-left shunt and abnormal hepatic hemodynamics. I-123 iodoamphetamine transrectal portal scintigraphy revealed a large portosystemic venous shunt. The follow-up Tc-99m MAA perfusion scans after banding of the patent ductus venosus revealed partial improvement of the perfusion deficits and right-to-left shunt, indicating the possible reversibility of this pulmonary shunt complication.
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