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  • Title: Pulmonary embolism and renal artery thrombosis in a patient with patent foramen ovale.
    Author: Bova C, Calcaterra R, De Vuono A, Pignataro FS, Fiaschi E.
    Journal: Acta Biomed; 2022 Jun 29; 93(S1):e2022209. PubMed ID: 35765933.
    Abstract:
    BACKGROUND AND AIM: Paradoxical embolism is a rare condition in which a thrombus migrates from the venous system to the arterial circulation, usually through a patent foramen ovale (PFO). Pulmonary embolism (PE) and isolated occlusion of one renal artery has been seldom reported. METHODS: We describe a case of a 47-year old white man with a one-month history of exertional dyspnea who was admitted to our hospital for  severe pain in the right lumbar region. RESULTS: A computed tomography showed  PE and a thrombotic occlusion of the right renal artery. A trans-thoracic echocardiogram documented a PFO with right to left shunt. Magnetic resonance imaging of the brain and venous compression ultrasonography of the lower extremities were normal. Therapeutic anticoagulation was started. CONCLUSIONS: Pulmonary embolism and thrombotic occlusion of one renal artery is a rare manifestation of paradoxical embolism. Exertional dyspnea is an atypical manifestation of PE and can delay the diagnosis.
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