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4 results on '"Subzposh FA"'

1. Feasibility of His bundle pacing and atrioventricular junction ablation with left bundle branch area pacing as backup.

Author

Mahajan A, Trivedi R, Subzposh FA, and Vijayaraman P

Subjects
Humans, Feasibility Studies, Electrocardiography, Male, Bundle-Branch Block therapy, Bundle-Branch Block physiopathology, Female, Bundle of His physiopathology, Catheter Ablation methods, Cardiac Pacing, Artificial methods, Atrioventricular Node physiopathology, Atrioventricular Node surgery
Abstract

Competing Interests: Disclosures Dr Vijayaraman has received research and fellowship support from Medtronic, is a consultant for Medtronic and Abbott, and has received honoraria from Medtronic, Biotronik, and Boston Scientific. He has a patent on the His Bundle pacing delivery tool. The rest of the authors report no conflicts of interest.

Published
2024
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4. Atrioventricular node ablation and His bundle pacing.

Author

Vijayaraman P, Subzposh FA, and Naperkowski A

Subjects
Action Potentials, Aged, Aged, 80 and over, Atrial Fibrillation diagnosis, Atrial Fibrillation physiopathology, Atrioventricular Node physiopathology, Cardiac Pacing, Artificial adverse effects, Catheter Ablation adverse effects, Echocardiography, Electrocardiography, Electrophysiologic Techniques, Cardiac, Feasibility Studies, Female, Heart Rate, Humans, Male, Middle Aged, Retrospective Studies, Stroke Volume, Time Factors, Treatment Outcome, Ventricular Function, Left, Atrial Fibrillation therapy, Atrioventricular Node surgery, Bundle of His physiopathology, Cardiac Pacing, Artificial methods, Catheter Ablation methods
Abstract

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. Atrioventricular node ablation and HBP were performed in patients with AF and difficulty in rate control. His bundle pacing implant characteristics and thresholds were recorded. Fluoroscopic relationship of AVNA site to HBP lead electrodes was documented. Left ventricular ejection fraction (LVEF) and New York Heart Association (NYHA) functional class at baseline and during follow-up were assessed. Forty-two patients underwent HBP and AVNA: age 74 ± 11 years; men 45%; HTN 64%; DM 19%; CAD 36%; permanent AF 40%; cardiomyopathy 55%. His bundle pacing was successful in 40 of 42 patients (95%). Successful AVNA site was at or below the ring electrode in 22 (no acute change in HBP threshold); above the ring electrode in 13 and left side in 2 pts (acute increase in HBP threshold in 7 of 15 pts). Final HBP threshold at implant was 1 ± 0.8 V@1 ms and increased to 1.6 ± 1.2 V@1 ms during a mean follow-up of 19 ± 14 months. Left ventricular ejection fraction increased from 43 ± 13% to 50 ± 11% (P = 0.01). New York Heart Association functional status improved from 2.5 ± 0.5 to 1.9 ± 0.5 (P = 0.04)., Conclusion: Atrioventricular node ablation and HBP were successful in 95% of patients. His bundle pacing lead characteristics remained relatively stable. Left ventricular ejection fraction improved significantly during follow-up. His bundle pacing is feasible, safe and effective in pts undergoing AVNA., (Published on behalf of the European Society of Cardiology. All rights reserved. © The Author 2017. For permissions, please email: journals.permissions@oup.com.)

Published
2017
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