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Reversal of fenestration flow during ventricular systole in Fontan patients in junctional or ventricular paced rhythm
Journal article   Peer reviewed

Reversal of fenestration flow during ventricular systole in Fontan patients in junctional or ventricular paced rhythm

T Hasselman, D Schneider, N Madan and M Jacobs
Pediatric cardiology, v 26(5), pp 638-641
01 Sep 2005
DOI: https://doi.org/10.1007/s00246-005-0879-6
PMID: 16132285
Featured in Collection :   UN Sustainable Development Goals @ Drexel

Abstract

Sinus node dysfunction is relatively common in patients with Fontan palliation for single ventricle congenital heart disease, and such patients often are in junctional rhythm or may have pacemaker systems for bradycardia. Because the physiologic determinants of left atrial pressure play a major role in determining pulmonary blood flow and therefore cardiac output in Fontan patients, the loss of atrioventricular (AV) synchrony in junctional rhythm or demand ventricular pacing in these patients might be expected to influence cardiac output. We report two cases of Fontan patients with the absence of AV synchrony that resulted in reversal of flow through the Fontan fenestration during ventricular systole. In both cases, restoration of AV synchrony by atrial pacing resulted in the elimination of retrograde fenestration flow, increased cardiac output, and improved clinical status.

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14 citations in Web of Science
16 citations in Scopus

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Collaboration types
Domestic collaboration
Web of Science research areas
Cardiac & Cardiovascular Systems
Pediatrics
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