A rare case of paradoxical embolization due to an acquired extracardiac right-to-left shunt during covid-19 infection: Every street leads to heart.

Autor: Gaudieri, Gabriella, Giordano, Mario, Marzullo, Raffaella, Gaio, Gianpiero, Palladino, Maria Teresa, Della Cioppa, Nadia, Russo, Maria Giovanna
Zdroj: Journal of Cardiology Cases; Oct2024, Vol. 30 Issue 4, p111-114, 4p
Abstrakt: Right-to-left shunt may be a cause of paradoxical embolization (and cryptogenic cerebral ischemic events). Patent foramen ovale and pulmonary arterio-venous malformations are the most common cause of paradoxical embolization; however, some rare cardiovascular lesions may cause a right-to-left shunt with consequent paradoxical embolization. We describe a case of a young child with superior sinus venosus atrial septal defect who underwent surgical closure and developed a cryptogenic cerebral ischemic attack due to a rare cause of paradoxical embolization, during a long-term follow-up. This case report cautions us to consider some rare causes of parodixal embolization such as systemic-pulmonary venous connections. The diagnosis should be always suspected in patients with paradoxical embolization without a patent foramen ovale and/or arterio-venous pulmonary malformations. [ABSTRACT FROM AUTHOR]
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