Patent foramen ovale and implantable cardioverter defibrillator

A case of patent foramen ovale opening was observed concomitantly to a defibrillation threshold determination in the setting of an internal cardioverter defibrillator implantation. The subsequent transient right-to-left shunt was confirmed by a peroperative transoesophageal echocontrast study. The u...

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Published inActa chirurgica belgica Vol. 99; no. 3; p. 132
Main Authors Broka, S M, De Roy, L J, Louagie, Y A, Collard, E L, Ducart, A R, Deheneffe, Y M, Joucken, K L
Format Journal Article
LanguageEnglish
Published England 01.06.1999
Subjects
Defibrillators, Implantable - adverse effects
Disease-Free Survival
Echocardiography, Transesophageal
Follow-Up Studies
Heart Septal Defects, Atrial - complications
Heart Septal Defects, Atrial - diagnosis
Humans
Male
Middle Aged
Risk Assessment
Tachycardia, Ventricular - complications
Tachycardia, Ventricular - diagnostic imaging
Tachycardia, Ventricular - therapy
Treatment Outcome
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Summary:A case of patent foramen ovale opening was observed concomitantly to a defibrillation threshold determination in the setting of an internal cardioverter defibrillator implantation. The subsequent transient right-to-left shunt was confirmed by a peroperative transoesophageal echocontrast study. The underlying mechanism of this incident may be related to a transient reversal of the interatrial gradient, due to the pre-existence of pulmonary hypertension and tricuspid regurgitation, associated with ongoing mechanical ventilation and modifications of intracardiac pressures regimen secondary to the succeeding ventricular tachyarrhythmia and defibrillation. Paradoxical embolism can be an aetiology for neurologic injury during internal cardioverter defibrillator implantation.
ISSN:0001-5458
DOI:10.1080/00015458.1999.12098464