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Teeth infection may “shunt” through Fontan in high-altitude conditions


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Fecha
2018-02-02

Directores
Ronderos, Miguel

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Universidad del Rosario

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Abstract
The Fontan surgery involves the creation a conduit between the inferior vena cava and the right pulmonary artery. This conduit has a small fenestration that shunts the blood from right to left in case the pulmonary blood flow is limited; namely, if the pulmonary vascular resistance is increased then the shunt is increased. Thus bacteria may bypass the pulmonary circulation and easily get access to the systemic circulation (bacteremia). We report the case of a patient that underwent Fontan surgery in 2010 and remained in a highaltitude city for 7 years, during this time he was asymptomatic until 2017 when he developed a brain abscess due to Streptococcus gordonii, a pathogen of dental plaque. Since high-altitude may raise pulmonary vascular resistance in response to reduction in the partial pressure of oxygen, we conclude that the long-term outcome of increased altitude on Fontan hemodynamics can lead to the shunt of teeth flora and lead to severe infections.
Palabras clave
Fontan , Abceso cerebral , Altitud
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