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https://open.uns.ac.rs/handle/123456789/1161
Назив: | Ventriculoatrial synchrony induced heart failure | Аутори: | Stefan Andrić Dragica Tešić Dalibor Somer Ilija Srdanović Tatjana Miljković Đorđe Jakovljević Lazar Velicki |
Кључне речи: | Heart failure;pacemaker;lead displacement;complication;ECG | Датум издавања: | 2-нов-2018 | Часопис: | Acta Clinica Belgica: International Journal of Clinical and Laboratory Medicine | Сажетак: | © 2018, © Acta Clinica Belgica 2018. Objective and importance: Endless loop tachycardia or pacemaker-mediated tachycardia, and atrioventricular desynchronization arrhythmia or repetitive non-reentrant ventriculoatrial synchrony (RNRVAS) are two forms of reverse impulse conduction–ventriculoatrial (VA) synchrony. Although VA synchrony can theoretically cause aggravation of heart failure, clinical cases describing severe consequential heart failure are lacking. Clinical presentation and intervention: We describe a case of a 60-year-old patient who underwent primary percutaneous coronary intervention and mitral valve surgery. Implantation of a two-chamber pacemaker was also performed during the same hospitalization due to development of third-degree atrioventricular block. Ten months later, he presented with a severe form of heart failure with a significant reduction of left ventricular ejection fraction (LVEF). The atrial lead was displaced and VA synchrony was registered (RNRVAS-like condition). The pacemaker was reprogrammed and VA synchrony induced heart failure was successfully resolved. Echocardiographic follow-up showed improvement in LVEF. Conclusion: Ventriculoatrial conduction can be present even when the patient has a complete atrioventricular block. Atrial lead displacement and consequently loss of atrial capture with preserved sensing can be a predisposing factor for initiation of ventriculoatrial synchrony. Permanent ventriculoatrial synchrony may provoke aggravation of heart failure. | URI: | https://open.uns.ac.rs/handle/123456789/1161 | ISSN: | 17843286 | DOI: | 10.1080/17843286.2018.1443002 |
Налази се у колекцијама: | MDF Publikacije/Publications |
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