Hemodynamic device-based optimization in cardiac resynchronization therapy: concordance with systematic echocardiographic assessment of AV and VV intervals

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2015
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Ranked #90 of 242 articles by views in research reports in clinical cardiology

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Abstract
Hemodynamic device-based optimization in cardiac resynchronization therapy: concordance with systematic echocardiographic assessment of AV and VV intervals Mário M Oliveira, Luisa M Branco, Ana Galrinho, Nogueira da Silva, Pedro S Cunha, Bruno Valente, Joana Feliciano, Ricardo Pimenta, Ana Sofia Delgado, Rui Cruz Ferreira Santa Marta Hospital, Lisbon, Portugal Background: Inappropriate settings of atrioventricular (AV) and ventriculo-ventricular (VV) intervals can be one of the factors impacting response to cardiac resynchronization therapy (CRT). Optimal concordance of AV and VV intervals between echocardiographic-based assessment and a device-based automatic programming with a hemodynamic sensor was investigated, together with left ventricle (LV) reverse remodeling after 6 months of regular automatic device-based optimization.Methods: We evaluated blindly 30 systematic echocardiographic examinations during 6 months in 17 patients (12 men, 64±10 years, in sinus rhythm and New York Heart Association class III; 76% with non-ischemic dilated cardiomyopathy, LV ejection fraction [LVEF] <35%, QRS 130 milliseconds and LV dyssynchrony) implanted with the SonRtip lead and a cardioverter-defibrillator device. Dyssynchrony (AV, VV, or intraventricular) was evaluated by an experienced operator blinded to the device programming, using conventional echocardiography, tissue synchronization imaging, tissue Doppler imaging, radial strain, and 3D echocardiography.Results: Either no AV or VV dyssynchrony (n
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Authors Mário M Oliveira;Luisa M Branco;Ana Galrinho;Nogueira da Silva;Pedro S Cunha;Bruno Valente;Joana Feliciano;Ricardo Pimenta;Ana Sofia Delgado;Rui Cruz Ferreira and
Journal research reports in clinical cardiology
Year 2015
DOI
10.2147/RRCC.S82540
URL
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