PMID: 22576398May 12, 2012Paper

Patent foramen ovale as a risk factor for cryptogenic brain abscess: case report and review of the literature

Internal Medicine
Yohsuke HoriuchiNorio Tanahashi

Abstract

We encountered a patient with brain abscess presumably caused by dental infection. The patient displayed patent foramen ovale (PFO) and a giant Eustachian valve, through which spontaneous right-to-left shunt was revealed by transesophageal echocardiography. Reviewing the literature, we find additional cases where brain abscess originated from an increased amount of flora commonly found in the oral cavity that bypassed the pulmonary vascular bed and the lymphatic system through PFO. Additionally, a Eustachian valve should be considered an adjunctive risk factor for initiating a spontaneous right-to-left shunt and predisposing cryptogenic brain abscess in patients with PFO.

Citations

Jul 1, 2014·Acta neurochirurgica·Hirokazu SadahiroMichiyasu Suzuki
Feb 7, 2016·Clinical Neurology and Neurosurgery·Seong Rok HanJae-Jin Kwak
Aug 22, 2013·Acta Neurologica Scandinavica·A D KjeldsenP E Andersen
Mar 2, 2018·Japanese Journal of Infectious Diseases·Heui Seung LeeSeungjoo Lee
Jan 7, 2017·Journal of Korean Neurosurgical Society·Taek-Kyun NamJeong-Taik Kwon
Jul 19, 2020·Archives of Cardiovascular Diseases·Noelie MitonClaire Dauphin

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