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Keywords resynchronization electrocardi...

resynchronization electrocardiographic

https://read.qxmd.com/read/36930350/improvement-in-electrocardiographic-parameters-of-repolarization-related-to-sudden-death-in-patients-with-ventricular-dysfunction-and-left-bundle-branch-block-after-cardiac-resynchronization-through-his-bundle-pacing
#21
JOURNAL ARTICLE
Pablo Moriña-Vázquez, María Teresa Moraleda-Salas, Álvaro López-Masjuan-Ríos, Irene Esteve-Ruiz, Álvaro Arce-León, Carmen Lluch-Requerey, Adrián Rodríguez-Albarrán, José Venegas-Gamero, Antonio Enrique Gómez-Menchero
BACKGROUND: Cardiac resynchronization therapy (CRT) through permanent His bundle pacing (p-HBP) normalizes interventricular conduction disorders and QRS. Similarly, there are immediate and long-term changes in repolarization, which could be prognostic of a lower risk of sudden death (SD) at follow-up. We aimed to compare the changes in different electrocardiographic (ECG) repolarization parameters related to the risk of SD before and after CRT through p-HBP. METHODS: In this prospective, descriptive single-center study (May 2019 to December 2021), we compared the ECG parameters of repolarization related to SD in patients with non-ischemic dilated cardiomyopathy, left bundle branch block (LBBB), and CRT indications, at baseline and after CRT through p-HBP...
March 17, 2023: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://read.qxmd.com/read/36910536/case-report-an-unusual-case-of-phrenic-nerve-stimulation-in-a-patient-with-single-chamber-implantable-cardioverter-defibrillator
#22
Carlo De Innocentiis, Pasquale Astore, Angela Buonpane, Antonia Pia Santamaria, Francesco Patragnoni, Matteo Santamaria
BACKGROUND: Phrenic nerve stimulation is a well-recognized complication related to cardiac implantable electronic devices, in particular with left ventricular coronary sinus pacing leads for cardiac resynchronization therapy. CASE PRESENTATION: We report an unusual case of symptomatic phrenic nerve stimulation due to inadvertent placement of a right ventricular defibrillation lead in coronary sinus posterior branch in a patient with heart failure with reduced ejection fraction with a recently implanted single-chamber cardioverter defibrillator...
2023: Frontiers in Cardiovascular Medicine
https://read.qxmd.com/read/36857597/non-invasive-three-dimensional-electrical-activation-mapping-to-predict-cardiac-resynchronization-therapy-response-site-of-latest-left-ventricular-activation-relative-to-pacing-site
#23
JOURNAL ARTICLE
Leonor Parreira, Alexey Tsyganov, Elena Artyukhina, Kevin Vernooy, Claudio Tondo, Pedro Adragao, Ciro Ascione, Pedro Carmo, Salomé Carvalho, Matthias Egger, Antonio Ferreira, Mohammed Ghossein, Magnus Holm, Vitaly Kalinin, Maria Malakhova, Mathias Meine, Silvia Nunes, Dmitry Podolyak, Amiran Revishvili, Albina Shapieva, Vera Stepanova, Antonius van Stipdonk, Irina Taymasova, Philippe Wouters, Stepan Zubarev, Francisco Leyva, Angelo Auricchio, Niraj Varma
AIMS: Pacing remote from the latest electrically activated site (LEAS) in the left ventricle (LV) may diminish response to cardiac resynchronization therapy (CRT). We tested whether proximity of LV pacing site (LVPS) to LEAS, determined by non-invasive three-dimensional electrical activation mapping [electrocardiographic Imaging (ECGI)], increased likelihood of CRT response. METHODS AND RESULTS: Consecutive CRT patients underwent ECGI and chest/heart computed tomography 6-24 months of post-implant...
March 1, 2023: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://read.qxmd.com/read/36852911/in-silico-experiments-explain-the-non-consistent-benefit-of-conduction-system-pacing-over-cardiac-resynchronization-therapy-the-need-to-personalize-therapy
#24
EDITORIAL
María S Guillem, Margarida Pujol-López, Jorge Sanchez-Arciniegas, Lluís Mont
The study by Strocchi et al. adds evidence that choosing the cardiac resynchronization therapy (CRT) according to the cardiac substrate of each patient could be beneficial. Perhaps the most appropriate approach in CRT would be to find the appropriate niche for each pacing method. It may be less about demonstrating the superiority of conduction system pacing (CSP) and more about personalizing the therapy for each particular patient. That is, a patient with septal scarring or diffuse conduction system disease could benefit more from biventricular CRT...
February 28, 2023: Journal of Cardiovascular Electrophysiology
https://read.qxmd.com/read/36575808/biventricular-endocardial-pacing-and-left-bundle-branch-area-pacing-for-cardiac-resynchronization-mechanistic-insights-from-electrocardiographic-imaging-acute-hemodynamic-response-and-magnetic-resonance-imaging
#25
JOURNAL ARTICLE
Mark K Elliott, Marina Strocchi, Benjamin J Sieniewicz, Baldeep Sidhu, Vishal Mehta, Nadeev Wijesuriya, Jonathan M Behar, Andrew Thorpe, Dejana Martic, Tom Wong, Steven Niederer, Christopher A Rinaldi
BACKGROUND: Biventricular endocardial pacing (BiV-endo) has demonstrated superior cardiac resynchronization compared to conventional biventricular epicardial pacing (BiV-epi). Left bundle branch area pacing (LBBAP) may also achieve effective cardiac resynchronization therapy (CRT). OBJECTIVE: The purpose of this study was to compare the acute electrical and hemodynamic effects of BiV-epi, BiV-endo, and LBBAP delivered from the LV endocardium and to assess how myocardial scar affects response...
October 28, 2022: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://read.qxmd.com/read/36549180/electrocardiographic-parameters-associated-with-pacemaker-induced-cardiomyopathy
#26
JOURNAL ARTICLE
Zak Loring, Anna Giczewska, Paul Hofmann, Karen Chiswell, Todd T Schlegel, Martin Ugander, Kevin P Jackson, Jonathan P Piccini, Brett D Atwater
BACKGROUND: Chronic right ventricular (RV) pacing can induce left ventricular (LV) dyssynchrony and cause pacemaker induced cardiomyopathy (PiCM). Identifying which patients are at risk for PiCM is limited. METHODS: Patients receiving RV-only permanent pacemakers (PPMs) at Duke University Medical Center between 2011 and 2017 who had normal baseline ejection fractions (EFs) were identified. Patients who developed a subsequent decrease in EF, died, or underwent cardiac resynchronization therapy, left ventricular assist device, or heart transplant without a competing cause were considered as the primary endpoint...
December 13, 2022: Journal of Electrocardiology
https://read.qxmd.com/read/36480445/electrocardiographic-imaging-demonstrates-electrical-synchrony-improvement-by-dynamic-atrioventricular-delays-in-patients-with-left-bundle-branch-block-and-preserved-atrioventricular-conduction
#27
JOURNAL ARTICLE
Peter H Waddingham, Jan O Mangual, Michele Orini, Nima Badie, Amal Muthumala, Simon Sporton, Luke C McSpadden, Pier D Lambiase, Anthony Wc Chow
AIMS: Cardiac resynchronization therapy programmed to dynamically fuse pacing with intrinsic conduction using atrioventricular (AV) timing algorithms (e.g. SyncAV) has shown promise; however, mechanistic data are lacking. This study assessed the impact of SyncAV on electrical dyssynchrony across various pacing modalities using non-invasive epicardial electrocardiographic imaging (ECGi). METHODS AND RESULTS: Twenty-five patients with left bundle-branch block (median QRS duration (QRSd) 162...
December 8, 2022: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://read.qxmd.com/read/36472975/acute-echocardiographic-and-electrocardiographic-effects-of-triggered-left-ventricular-pacing
#28
JOURNAL ARTICLE
Tobias Jonathan Pfeffer, Jonas Neuser, Johanna Mueller-Leisse, Stephan Hohmann, David Duncker, Johann Bauersachs, Christian Veltmann, Dominik Berliner
Cardiac resynchronization therapy (CRT) is an essential pillar in the therapy of heart failure patients with reduced ejection fraction (HFrEF) presenting with broad left bundle branch block (LBBB) or pacemaker dependency. To achieve beneficial effects, CRT requires high bi-ventricular (BiV) pacing rates. Therefore, device-manufacturers designed pacing algorithms which maintain high BiV pacing rates by a left ventricular (LV) pacing stimulus immediately following a right ventricular sensed beat. However, data on clinical impact of these algorithms are sparse...
2022: PloS One
https://read.qxmd.com/read/36442824/electrocardiogram-belt-guidance-for-left-ventricular-lead-placement-and-biventricular-pacing-optimization
#29
JOURNAL ARTICLE
John Rickard, Kevin Jackson, Michael Gold, Mauro Biffi, Matteo Ziacchi, Joshua Silverstein, Brian Ramza, Mark Metzl, Eric Grubman, Richard Abben, Niraj Varma, Ghiyath Tabbal, Cory Jensen, Griet Wouters, Subham Ghosh, Kevin Vernooy
BACKGROUND: Patients with ischemic cardiomyopathy, non-left bundle branch block, or QRS duration <150 ms have a lower response rate to cardiac resynchronization therapy (CRT) than did other indicated patients. The ECG Belt system (EBS) is a novel surface mapping system designed to measure electrical dyssynchrony via the standard deviation of the activation times of the left ventricle. OBJECTIVES: The objectives of this study were to evaluate the efficacy of the EBS in patients less likely to respond to CRT and to determine whether EBS use in lead placement guidance and device programming was superior to standard CRT care...
November 25, 2022: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://read.qxmd.com/read/36424012/conduction-system-pacing-vs-biventricular-pacing-in-heart%C3%A2-failure-and-wide-qrs-patients-level-at-trial
#30
RANDOMIZED CONTROLLED TRIAL
Margarida Pujol-Lopez, Rafael Jiménez-Arjona, Paz Garre, Eduard Guasch, Roger Borràs, Adelina Doltra, Elisenda Ferró, Cora García-Ribas, Mireia Niebla, Esther Carro, Jose L Puente, Sara Vázquez-Calvo, Eric Invers-Rubio, Ivo Roca-Luque, M Ángeles Castel, Elena Arbelo, Marta Sitges, Josep Brugada, José M Tolosana, Lluís Mont
BACKGROUND: Conduction system pacing (CSP) has emerged as an alternative to biventricular pacing (BiVP). Randomized studies comparing both therapies are scarce and do not include left bundle branch pacing. OBJECTIVES: This study aims to compare ventricular resynchronization achieved by CSP vs BiVP in patients with cardiac resynchronization therapy indication. METHODS: LEVEL-AT (Left Ventricular Activation Time Shortening with Conduction System Pacing vs Biventricular Resynchronization Therapy) was a randomized, parallel, controlled, noninferiority trial...
November 2022: JACC. Clinical Electrophysiology
https://read.qxmd.com/read/36274327/electrocardiographic-predictors-of-echocardiographic-response-in-cardiac-resynchronization-therapy-update-of-an-old-story
#31
JOURNAL ARTICLE
Giacomo Mugnai, Luca Donazzan, Luca Tomasi, Anna Piccoli, Stefano Cavedon, Massimiliano Manfrin, Bruna Bolzan, Cosimo Perrone, Salvatore Lavio, Werner Günther Rauhe, Rainer Oberhollenzer, Claudio Bilato, Flavio Luciano Ribichini
BACKGROUND: A better selection of patients with left bundle branch block (LBBB) might increase the response to cardiac resynchronization therapy (CRT). The aim of the study was to investigate the association between the Strauss criteria, absence of S wave in V5 -V6, the Selvester score and response to CRT. METHODS AND RESULTS: The retrospective analysis included all consecutive patients having undergone implantation of biventricular defibrillators in primary prevention between 2018 and 2020...
October 5, 2022: Journal of Electrocardiology
https://read.qxmd.com/read/36233590/the-effects-of-his-bundle-pacing-compared-to-classic-resynchronization-therapy-in-patients-with-pacing-induced-cardiomyopathy
#32
JOURNAL ARTICLE
Rafal Gardas, Krzysztof S Golba, Tomasz Soral, Jolanta Biernat, Piotr Kulesza, Mateusz Sajdok, Kamil Zub
Pacing-induced cardiomyopathy (PICM) is among the most common right ventricular pacing complications. Upgrading to cardiac resynchronization therapy (CRT) is the recommended treatment option. Conduction system pacing with His bundle pacing (HBP) has the potential to restore synchronous ventricular activation and can be an alternative to biventricular pacing (BVP). Patients with PICM scheduled for a system upgrade to CRT were included in the prospective cohort study. Either HBP or BVP was used for CRT. Electrocardiographic, clinical, and echocardiographic measurements were recorded at baseline and six-month follow-up...
September 27, 2022: Journal of Clinical Medicine
https://read.qxmd.com/read/36223692/differences-in-the-prognostic-value-of-the-electrocardiographic-pattern-after-cardiac-resynchronization-therapy-according-to-age
#33
JOURNAL ARTICLE
Juan Asensio-Nogueira, Ricardo Salgado-Aranda, Ester Sánchez-Corral, Beatriz Fernández-González, Francisco-Javier García-Fernández, Francisco-Javier Martín-González, Lola Villagraz-Tecedor, Marta Gómez-Llorente, Marcos Álvarez-Calderón, José-Ángel Pérez-Rivera
OBJECTIVES: In this cohort study, we analyzed if a specific pattern in three leads of the electrocardiogram (Rs in V1, Qr in aVL, or rS in I) was associated with outcomes after cardiac resynchronization therapy (CRT) depending on age. METHODS: Patients with CRT devices were included from January 2012 to April 2019. We divided the sample into 2 groups, those with age ≥ 75 years old and those younger. The primary endpoint was a composite of all-cause death and heart failure (HF) hospitalization at 1 year...
September 27, 2022: Archives of Gerontology and Geriatrics
https://read.qxmd.com/read/36182096/spanish-pacemaker-registry-19th-official-report-of-the-heart-rhythm-association-of-the-spanish-society-of-cardiology-2021
#34
JOURNAL ARTICLE
Marta Pombo Jiménez, Javier Chimeno García, Vicente Bertomeu González, Óscar Cano Pérez
INTRODUCTION AND OBJECTIVES: This document includes cardiac pacing activity performed in Spain in 2021: figures for implanted devices, demographic and clinical factors, characteristics of the implanted material, and remote monitoring data. METHODS: The European Pacemaker Patient Card, the CardioDispositivos.es online platform, the centers' own databases and the data provided by the supplier companies are used as sources of information. RESULTS: 17...
September 29, 2022: Revista Española de Cardiología
https://read.qxmd.com/read/36177353/left-bundle-branch-pacing-as-bail-out-strategy-after-failed-coronary-sinus-lead-placement-for-cardiac-resynchronization-a-case-report
#35
Thomas Fink, Thomas Eitz, Christian Sohns, Philipp Sommer, Guram Imnadze
Background: Cardiac resynchronization therapy (CRT) by implantation of an endocardial coronary sinus (CS) pacing lead is an established heart failure therapy. The recent European Society of Cardiology (ESC) guidelines on cardiac pacing and CRT recommend conduction system pacing (CSP) as a potential bail-out therapy in patients with previously unsuccessful CS-lead implantation. We present a case in which unsuccessful implantation of a CS pacing and ineffective QRS correction by His-bundle pacing (HBP) was overcome by left-bundle branch pacing (LBBP) to achieve cardiac resynchronization...
September 2022: European Heart Journal. Case Reports
https://read.qxmd.com/read/36097454/left-bundle-branch-area-pacing-in-patients-with-heart-failure-and-right-bundle-branch-block-results-from-international-lbbap-collaborative-study-group
#36
JOURNAL ARTICLE
Pugazhendhi Vijayaraman, Oscar Cano, Shunmuga Sundaram Ponnusamy, Manuel Molina-Lerma, Joseph Y S Chan, Santosh K Padala, Parikshit S Sharma, Zachary I Whinnett, Bengt Herweg, Gaurav A Upadhyay, Faiz A Subzposh, Neil R Patel, Dominik A Beer, Agnieszka Bednarek, Grzegorz Kielbasa, Roderick Tung, Kenneth A Ellenbogen, Marek Jastrzebski
Background: Cardiac resynchronization therapy (CRT) using biventricular pacing has limited efficacy in patients with heart failure (HF) and right bundle branch block (RBBB). Left bundle branch area pacing (LBBAP) is a novel physiologic pacing option. Objective: The aim of the study was to assess the feasibility and outcomes of LBBAP in HF patients with RBBB and reduced left ventricular systolic function, and indication for CRT or ventricular pacing. Methods: LBBAP was attempted in patients with left ventricular ejection fraction (LVEF) <50%, RBBB, HF, and indications for CRT or ventricular pacing...
August 2022: Heart rhythm O2
https://read.qxmd.com/read/35715088/his-optimized-and-left-bundle-branch-optimized-cardiac-resynchronization-therapy-in-control-of-fusion-pacing
#37
REVIEW
Alwin Zweerink, Haran Burri
Fusion pacing, which exploits conduction via the intrinsic His-Purkinje system, forms the basis of recent cardiac resynchronization therapy (CRT) optimization algorithms. However, settings need to be constantly adjusted to accommodate for changes in AV conduction, and the algorithms are not always available (eg, depending on the device, in case of AV block or with atrial fibrillation). His-optimized cardiac resynchronization therapy (HOT-CRT), and left-bundle branch optimized cardiac resynchronization therapy (LOT-CRT) which combines conduction system pacing with ventricular fusion pacing, provide constant fusion with ventricular activation (irrespective of intrinsic AV conduction)...
June 2022: Cardiac Electrophysiology Clinics
https://read.qxmd.com/read/35662306/synchronization-of-repolarization-after-cardiac-resynchronization-therapy-a-combined-clinical-and-modeling-study
#38
JOURNAL ARTICLE
Nienke J Verzaal, Caroline J M van Deursen, Simone Pezzuto, Liliane Wecke, Wouter M van Everdingen, Kevin Vernooy, Tammo Delhaas, Angelo Auricchio, Frits W Prinzen
INTRODUCTION: The changes in ventricular repolarization after cardiac resynchronization therapy (CRT) are poorly understood. This knowledge gap is addressed using a multimodality approach including electrocardiographic and echocardiographic measurements in patients and using patient-specific computational modeling. METHODS: In 33 patients electrocardiographic and echocardiographic measurements were performed before and at various intervals after CRT, both during CRT-ON and temporary CRT-OFF...
August 2022: Journal of Cardiovascular Electrophysiology
https://read.qxmd.com/read/35468456/dispersion-of-repolarization-increases-with-cardiac-resynchronization-therapy-and-is-associated-with-left-ventricular-reverse-remodeling
#39
JOURNAL ARTICLE
Mark K Elliott, Marina Strocchi, Vishal S Mehta, Nadeev Wijesuriya, Nilanka N Mannakkara, Tom Jackson, Helder Pereira, Jonathan M Behar, Martin J Bishop, Steven Niederer, Christopher A Rinaldi
PURPOSE: Cardiac resynchronization therapy (CRT) reduces ventricular activation times and electrical dyssynchrony, however the effect on repolarization is unclear. In this study, we sought to investigate the effect of CRT and left ventricular (LV) remodeling on dispersion of repolarization using electrocardiographic imaging (ECGi). METHODS: 11 patients with heart failure and electrical dyssynchrony underwent ECGi 1-day and 6-months post CRT. Reconstructed epicardial electrograms were used to create maps of activation time, repolarization time (RT) and activation recovery intervals (ARI) and calculate measures of RT, ARI and their dispersion...
April 18, 2022: Journal of Electrocardiology
https://read.qxmd.com/read/35344747/relationship-between-qrs-duration-and-resynchronization-window-for-crt-optimization-implications-for-crt-in-narrow-qrs-patients
#40
JOURNAL ARTICLE
Michelle M Harbin, Christopher D Brown, Emanuel A Espinoza, Kevin V Burns, Alan J Bank
AIMS: Cardiac resynchronization therapy (CRT) response is proportional to QRS duration (QRSd ). We hypothesize that this is, in part, due to slower conduction velocity and hence wider range of programmed device settings that produce adequate electrical wavefront fusion and resynchronization in wider QRSd patients. METHODS: CRT patients (n = 122) with left ventricular (LV) conduction delay, sinus rhythm and intact atrioventricular node conduction were studied. Patients were categorized by QRSd : narrow (<120 ms; n = 20); moderate (120-150 ms, n = 37); and prolonged (≥150 ms; n = 65)...
May 2022: Journal of Electrocardiology
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