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A rare case of paradoxical pulmonary embolism in spontaneous aortocaval fistula

Aortocaval fistula (ACF) is a rare complication of abdominal aortic aneurysm (AAA), occurring in less than 1% of all AAAs. Paradoxical embolism can rarely be associated with ACF, pulmonary embolism may originate from dislodgment of thrombotic material from the AAA in the inferior vena cava (IVC) thr...

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Detalles Bibliográficos
Autores principales: Vespro, Valentina, Fusco, Stefano, Ierardi, Anna Maria, Grassi, Viviana, D’Alessio, Ilenia, Crespi, Silvia, Andrisani, Maria Carmela, Bellobuono, Andrea, Trimarchi, Santi, Carrafiello, Gianpaolo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The British Institute of Radiology. 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8171143/
https://www.ncbi.nlm.nih.gov/pubmed/34131500
http://dx.doi.org/10.1259/bjrcr.20200183
Descripción
Sumario:Aortocaval fistula (ACF) is a rare complication of abdominal aortic aneurysm (AAA), occurring in less than 1% of all AAAs. Paradoxical embolism can rarely be associated with ACF, pulmonary embolism may originate from dislodgment of thrombotic material from the AAA in the inferior vena cava (IVC) through the ACF. We report a case of a patient admitted to the emergency department with abdominal pain and shortness of breath who immediately underwent thoraco-abdominal CT. Imaging allowed a prompt pre-operative diagnosis of an ACF between an AAA and the IVC, also identifying CT signs of right heart overload and the presence of a paradoxical pulmonary embolism.