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Year : 2019  |  Volume : 29  |  Issue : 4  |  Page : 172-174

Paradoxical embolism of stroke-related patent foramen ovale in a nonagenarian woman

Department of Cardiology, Tokushima Red Cross Hospital, Tokushima, Japan

Correspondence Address:
Hiroya Takafuji
Department of Cardiology, Tokushima Red Cross Hospital, 103 Irinokuchi, Komatsushima-cho, Komatsushima, Tokushima, 773-8502
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jcecho.jcecho_35_19

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There are few clinical reports of elderly patients with paradoxical embolism in the current literature. Herein, we describe the case of a nonagenarian patient with paradoxical embolism of stroke-related patent foramen ovale (PFO). A 95-year-old woman was admitted to our hospital because of dysarthria. Her medical history included cerebral infarction, hypertension, and dyslipidemia. Magnetic resonance imaging performed in the emergency room revealed cerebral infarction of the left temporal lobe. After hospitalization in the neurosurgery department, we performed further clinical investigations to diagnose the type of stroke. There was no significant stenosis with plaque of the carotid and cerebral arteries, and there were no sources of cardiac embolism or an episode of atrial arrhythmia. Transesophageal echocardiography (TEE) showed PFO with separation and the Eustachian valve. In addition, spontaneous bidirectional shunt flow through the PFO was detected by TEE with the patient at rest. Ultrasonography of the leg vein revealed a thrombus in the deep vein. Therefore, she was diagnosed as having paradoxical embolism of stroke-related PFO and prescribed a direct oral anticoagulant (DOAC). This very rare case in which stroke-related PFO was diagnosed in a nonagenarian patient demonstrates that PFO is the cause of paradoxical embolism of stroke regardless of age.

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