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https://www.readbyqxmd.com/read/29220422/atrioventricular-node-ablation-and-his-bundle-pacing
#1
Pugazhendhi Vijayaraman, Faiz A Subzposh, Angela Naperkowski
Aims: Atrioventricular node ablation (AVNA) and right ventricular pacing (RVP) are effective therapies for patients with atrial fibrillation (AF) and rapid ventricular rates. His bundle pacing (HBP) is a physiologic alternative to RVP. The aim of our study is to assess the feasibility and safety of HBP in patients undergoing AVNA and its effect on left ventricular (LV) function. Methods and results: Permanent HBP is the preferred form of ventricular pacing at our institute...
December 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29173611/a-novel-pacing-strategy-with-low-and-stable-output-pacing-the-left-bundle-branch-immediately-beyond-the-conduction-block
#2
Weijian Huang, Lan Su, Shengjie Wu, Lei Xu, Fangyi Xiao, Xiaohong Zhou, Kenneth A Ellenbogen
This report demonstrates the feasibility of pacing the left bundle branch (LBB) immediately beyond the conduction block to functionally restore the impaired His-Purkinje conduction system in a patient with heart failure and left bundle branch block (LBBB). The pacing required only a low pacing output (0.5 volts/0.5 ms) to correct the LBBB with accompanying right BBB on the electrocardiogram. Over 1-year of follow-up, the patient had a significant improvement in clinical outcome and echocardiographic measurements...
December 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29168622/mitral-valve-pressure-gradient-after-percutaneous-mitral-valve-repair-every-beat-counts
#3
Daniel Lavall, Bruno Scheller, Christian Werner, Axel Buob, Felix Mahfoud
A patient presented with symptoms of decompensated heart failure 2 months after percutaneous mitral valve (MV) repair. Echocardiography demonstrated impaired left ventricular function with elevated MV pressure gradients and pulmonary pressures during rapid atrial fibrillation. Heart rate control was achieved by implantation of a biventricular pacemaker with subsequent His-bundle ablation because atrial fibrillation was refractory to medical treatment. During biventricular pacing at different rates (50-110 b...
November 23, 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29150300/permanent-his-bundle-pacing-to-replace-biventricular-pacing-for-cardiac-resynchronization-therapy
#4
Benjamin J Scherlag, Alexa Papaila
INTRODUCTION: Cardiac resynchronization therapy (CRT) or biventricular pacing (BIVP) has become a common procedure for the treatment of ventricular dyssynchrony in patients with heart failure, particularly in those with bundle branch block patterns (QRS durations >150ms) on the electrocardiogram (ECG). However, a large group of non-responders are made up of patients with dyssynchrony and QRS duration below 130ms. Recent studies have introduced permanent His bundle pacing as another method for achieving normalization of the QRS duration even in a majority of patients with right or left bundle branch block pattern on the ECG...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29107697/permanent-his-bundle-pacing-hbp-recommendations-from-a-multi-center-hbp-collaborative-working-group-for-standardization-of-definitions-implant-measurements-and-follow-up
#5
Pugazhendhi Vijayaraman, Gopi Dandamudi, Francesco Zanon, Parikshit S Sharma, Roderick Tung, Weijian Huang, Jayanthi Koneru, Hiroshi Tada, Kenneth A Ellenbogen, Daniel L Lustgarten
His bundle pacing (HBP) prevents ventricular dyssynchrony and its long-term consequences by preserving normal electrical activation of the ventricles. Since the original description of permanent HBP in 2000, the adoption of HBP has increased over the last several years. However the reporting of procedural and clinical outcomes to date is not uniform. This paper is a collaboration between several implanters with significant experience in HBP to establish a uniform set of definitions encompassing the different forms of HBP, as well as define a standardized approach to gathering data endpoints to ensure consistency in reported outcomes...
October 28, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29103249/his-bundle-pacing-an-alternative-physiologic-site-of-cardiac-pacing
#6
Ron Sela, Mark Gellerman, Shaul Atar, Eli Kalfon
No abstract text is available yet for this article.
October 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29081396/beneficial-effects-of-upgrading-to-his-bundle-pacing-in-chronically-paced-patients-with-left-ventricular-ejection-fraction-50
#7
Peiren Shan, Lan Su, Xiaodong Zhou, Shengjie Wu, Lei Xu, Fangyi Xiao, Xiaohong Zhou, Kenneth A Ellenbogen, Weijian Huang
BACKGROUND: Heart failure is common in patients with permanent pacemakers. Right ventricular (RV) pacing may worsen cardiac function while non-responder rate of cardiac resynchronization therapy (CRT) for heart failure treatment remains 25-30%. OBJECTIVE: This study was to assess clinical outcomes of upgrading to permanent His bundle pacing (pHBP) in heart failure patients who underwent device upgrade from RV pacing or CRT non-response. METHODS: Eighteen pacing-dependent heart failure patients with left ventricular ejection fraction (LVEF) <50% underwent pHBP attempts at device replacement...
October 25, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29073179/restitution-characteristics-of-his-bundle-and-working-myocardium-in-isolated-rabbit-hearts
#8
Shangwei Huang, Liqun Wu, Jian Huang, Nuttanont Panitchob, Nan Hu, Ravi Ranjan, Derek J Dosdall
The Purkinje system (PS) and the His bundle have been recently implicated as an important driver of the rapid activation rate after 1-2 minutes of ventricular fibrillation (VF). It is unknown whether activations during VF propagate through the His-Purkinje system to other portions of the the working myocardium (WM). Little is known about restitution characteristic differences between the His bundle and working myocardium at short cycle lengths. In this study, rabbit hearts (n = 9) were isolated, Langendorff-perfused, and electromechanically uncoupled with blebbistatin (10 μM)...
2017: PloS One
https://www.readbyqxmd.com/read/29072996/wide-qrs-tachycardia-in-a-patient-with-pre-excitation-what-are-the-pathways-involved-pacing-manoeuvres-to-characterize-a-unique-pathway
#9
Krishna Kumar Mohanan Nair, Anees Thajudeen, Narayanan Namboodiri, Ajitkumar Valaparambil
A 30year old patient presented to us with recurrent episodes of palpitation and documented tachycardia. In all his presentations a wide QRS tachycardia was recorded. The baseline ECG showed pre excitation. The 12 lead ECG of the tachycardia and the baseline ECG is shown in Fig. 1A. During EP study the patient had baseline pre excitation and the HV interval was 16 ms. A duo-decapolar halo (HL) catheter was used to map right atrium and a decapolar coronary sinus (CS) catheter was used to map coronary sinus...
March 2017: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/29031929/permanent-his-bundle-pacing-as-an-alternative-to-biventricular-pacing-for-cardiac-resynchronization-therapy-a-multicenter-experience
#10
Parikshit S Sharma, Gopi Dandamudi, Bengt Herweg, David Wilson, Rajeev Singh, Angela Naperkowski, Jayanthi N Koneru, Kenneth A Ellenbogen, Pugazhendhi Vijayaraman
BACKGROUND: Cardiac resynchronization therapy (CRT) using biventricular pacing (BVP) is effective in patients with heart failure, bundle branch block (BBB), or right ventricular pacing. Permanent His-bundle pacing (HBP) has been reported as an alternative option for CRT. OBJECTIVE: The purpose of this study was to assess the feasibility and outcomes of HBP in CRT eligible or failed patients. METHODS: HBP was attempted as a rescue strategy in patients with failed left ventricular lead or nonresponse to BVP (group I), or as a primary strategy in patients with AV block, BBB, or high ventricular pacing burden as an alternative to BVP (group II) in patients with indications for CRT...
October 12, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28875729/role-of-cardiac-pacing-in-congenital-complete-heart-block
#11
Stephanie F Chandler, Francis Fynn-Thompson, Douglas Y Mah
Congenital complete heart block affects 1/15,000 live-born infants, predominantly due to atrioventricular nodal injury from maternal antibodies of mothers with systemic lupus erythermatosus or Sjogren's syndrome. The majority of these children will need a pacemaker implanted prior to becoming young adults. This article will review the various patient and technical factors that influence the type of pacemaker implanted, and the current literature on optimal pacing practices. Areas covered: A literature search was performed using PubMed, Embase and Web of Science...
November 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28800733/integrative-and-quantitive-evaluation-of-the-efficacy-of-his-bundle-related-pacing-in-comparison-with-conventional-right-ventricular-pacing-a-meta-analysis
#12
Ziqing Yu, Ruizhen Chen, Yangang Su, Xueying Chen, Shengmei Qin, Minghui Li, Fei Han, Junbo Ge
BACKGROUND: Long-term RVP could bring adverse problems to cardiac electro-mechanics and result in inter- and intra-ventricular asynchrony, impaired labor force, and aggravation of cardiac function. HBRP including direct His bundle pacing and para-His bundle pacing was regarded as a novel physiological pacing pattern to avoid devastating cardiac function. This synthetic study was conducted to integratively and quantitatively evaluate the efficacy of His bundle related pacing (HBRP) in comparison with conventional right ventricular pacing (RVP)...
August 11, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28791212/rapid-reversal-of-right-ventricular-pacing-induced-cardiomyopathy-by-his-bundle-pacing
#13
Amit J Thosani, Emerson Liu, George Shaw, William Belden, John Chenarides
No abstract text is available yet for this article.
March 2017: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/28733849/novel-pacing-strategies-for-heart-failure-management
#14
REVIEW
Jordan S Leyton-Mange, Theofanie Mela
Cardiac resynchronization therapy has emerged as the gold standard for heart failure patients with left ventricular systolic dysfunction and electrical dyssynchrony from an intrinsic intraventricular conduction delay or right ventricular pacing. However, the limits imposed by the coronary sinus venous anatomy restrict the applicability of the technology for many potential recipients. Furthermore, conventional resynchronization, by virtue of utilizing a single site of epicardial origin for left ventricular activation, is non-physiological...
August 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28649507/permanent-his-bundle-pacing-at-the-time-of-atrioventricular-node-ablation-a-3-dimensional-mapping-approach
#15
Sukit Ringwala, Bradley P Knight, Nishant Verma
No abstract text is available yet for this article.
June 2017: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/28641861/permanent-his-bundle-pacing-in-intra-hisian-conduction-block-mechanistic-insights
#16
Bengt Herweg, Paul Z Gerczuk, Aamir Sofi, Pugazhendhi Vijayaraman, S Serge Barold
We are reporting a patient with discrete intra-His conduction block and describe a refined technique of permanent His bundle pacing assuring reliable ventricular capture. Meticulous mapping of the site of block with lead placement distal to the site of block and non-selective His bundle pacing with local myocardial capture as an additional safety back up appears to be the technique of choice.
June 9, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28641799/the-continued-search-for-physiological%C3%A2-pacing-where-are-we-now
#17
REVIEW
Pugazhendhi Vijayaraman, Pierre Bordachar, Kenneth A Ellenbogen
Cardiac pacing is an effective treatment for patients with bradycardia due to sinus node dysfunction or atrioventricular block. Despite decades of technological advances, the optimal ventricular pacing site to mimic normal human ventricular physiology and best hemodynamic response remains elusive. Beginning with atrial synchronous right ventricular (RV) apical pacing, the search has continued through alternate RV pacing sites, minimizing RV pacing, biventricular pacing, left ventricular (LV) pacing, and His-bundle pacing...
June 27, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28636524/his-bundle-pacing-using-dual-chamber-cardioverter-defibrillator-in-patients-with-chronic-atrial-fibrillation-different-pacing-and-sensing-features
#18
Agnieszka Sławuta, Dariusz Biały, Dorota Zyśko, Grzegorz Mazur, Jacek Gajek
No abstract text is available yet for this article.
June 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28630174/experimental-pathologic-and-clinical-findings-of-radiofrequency-catheter-ablation-of-para-hisian-region-from-the-right-ventricle-in-dogs-and-humans
#19
Yumei Xue, Xianzhang Zhan, Shulin Wu, Hongyue Wang, Yang Liu, Zili Liao, Hai Deng, Xuejing Duan, Shaoying Zeng, Dongpo Liang, Arif Elvan, Xianhong Fang, Hongtao Liao, Anand R Ramdat Misier, Jaap Jan J Smit, Andreas Metzner, Christian-Hendrik Heeger, Fangzhou Liu, Feng Wang, Zhiwei Zhang, Karl-Heinz Kuck, Siew Yen Ho, Feifan Ouyang
BACKGROUND: Ablation of para-Hisian accessory pathway (AP) poses high risks of atrioventricular block. We developed a pacing technique to differentiate the near-field (NF) from far-field His activations to avoid the complication. METHODS AND RESULTS: Three-dimensional mapping of the right ventricle was performed in 15 mongrel dogs and 23 patients with para-Hisian AP. Using different pacing outputs, the NF- and far-field His activation was identified on the ventricular aspect...
June 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28575215/comparison-of-the-effects-of-selective-and-non-selective-his-bundle-pacing-on-cardiac-electrical-and-mechanical-synchrony
#20
Jinlong Zhang, Jianghong Guo, Xiaofeng Hou, Yao Wang, Zhiyong Qian, Kebei Li, Peibing Ge, Jiangang Zou
Aims: This study aimed to assess the acute effect of selective His bundle pacing (S-HBP), non-selective His bundle pacing (NS-HBP), and right ventricular septum pacing (RVSP) on electrical synchrony and left ventricular (LV) mechanical synchrony using electrocardiogram and phase analysis of gated single photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI). Methods and results: Totally 39 patients eligible for pacemaker were enrolled. Thirty-seven patients underwent successful His bundle pacing (HBP) including S-HBP in 23 and NS-HBP in 14 patients, respectively...
May 31, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
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