Advances in physiologic pacing, An Issue of Cardiac Electrophysiology Clinics

1st Edition, Volume 14-2 - June 19, 2022
Editors: Kenneth A. Ellenbogen, Pugazhendhi Vijayaraman, Santosh Padala
Language: English
Hardback ISBN:
9 7 8 - 0 - 3 2 3 - 9 8 7 1 1 - 0
eBook ISBN:
9 7 8 - 0 - 3 2 3 - 9 8 7 1 2 - 7

In this issue of Cardiac Electrophysiology Clinics, guest editors Drs. Kenneth A. Ellenbogen, Pugazhendhi Vijayaraman, and Santosh Padala bring their considerable ex… Read more

Advances in physiologic pacing, An Issue of Cardiac Electrophysiology Clinics

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In this issue of Cardiac Electrophysiology Clinics, guest editors Drs. Kenneth A. Ellenbogen, Pugazhendhi Vijayaraman, and Santosh Padala bring their considerable expertise to the topic of Advances in Physiologic Pacing (such as dual-chamber (DDD and DDDR) and atrium-based pacing (AAI and AAIR) in contrast to ventricle-based pacing (VVI and VVIR). Top experts in the field cover key topics such as what we have learned from computer modeling of hemodynamics and LV pacing; troubleshooting the pacemaker EKG in patients with conduction system pacing; what intracardiac tracings have taught us about LBBB; multisite pacing in CRT; and more.

Cover image
Title page
Table of Contents
Copyright
Contributors
Forthcoming Issues
Foreword
Preface
Dedication
Basic Principles of Hemodynamics in Pacing
Key points
Background
Noise + selection = upward bias
Future directions
Clinics care points
Funding
His Bundle Pacing: My Experience, Tricks, and Tips
Key points
Introduction
His bundle pacing: a 20-year journey
Timeline: the evolution of His bundle Pacing
Moving from fluoroscopic to electrical approach: the fluoro-zero technique
The last frontier: 3-dimensional electroanatomical mapping–guided implant
Summary
Clinics care points
Physiologic Differentiation Between Selective His Bundle, Nonselective His Bundle and Septal Pacing
Key points
Introduction
Selective His bundle capture
His bundle capture diagnosis based on paced QRS morphologic criteria
Using native QRS and native conduction intervals as physiologic reference
QRS transition during capture threshold test
Programmed His bundle stimulation
Miscellaneous methods
Disclosure
Left Bundle Branch Pacing: How I Do It?
Key points
Introduction
Basic concepts and techniques
Preoperative preparation and evaluation
Routine procedure for left bundle branch pacing implantation
Additional Considerations and Challenging Cases
Left bundle branch pacing complications and management strategies
Clinics care points
Physiology of Left Ventricular Septal Pacing and Left Bundle Branch Pacing
Key points
Introduction
Physiologic activation of the left ventricle
Adverse effects of right ventricular pacing
Left ventricular septal pacing
Left bundle branch pacing
Left ventricular septal pacing or left bundle branch pacing?
Summary
Clinics care points
Conflict of interest
Evaluation of Criteria for Left Bundle Branch Capture
Key points
Introduction
Left bundle branch pacing
Why to confirm left bundle branch capture?
Left bundle branch capture confirmation criteria
Summary
Clinics care points
What Intracardiac Tracings Have Taught Us About Left Bundle Branch Block
Key points
Introduction
Historical definitions of left bundle branch block
Insufficiency of surface electrocardiogram for accurate identification of left bundle branch block
Modalities to confirm presence or absence of left bundle branch block secondary to conduction block
Implications for conduction system pacing
Summary
Clinics care points
What Body Surface Mapping Has Taught Us About Ventricular Conduction Disease Implications for Cardiac Resynchronization Therapy and His Bundle Pacing
Key points
Introduction
Electrocardiographic body surface mapping: technical aspects
Characterization of the electrical substrate in resynchronization candidates
Electrocardiographic imaging for predicting cardiac resynchronization therapy response
Limitations of biventricular pacing and search for more physiologic pacing
Summary
Clinics care points
Conflict of interest
Pacing Optimized by Left Ventricular dP/dtmax
Key points
Introduction
Measurement of left ventricular hemodynamics
Relationship between left ventricular dP/dtmax and long-term outcomes
Guidance of left ventricular lead placement
Optimization of device programming
Multisite and multipoint pacing
Alternative methods of delivering cardiac resynchronization therapy
Summary
Conflict of interest
Role of Electrical Delay in Cardiac Resynchronization Therapy Response
Key points
Measures of electrical delay and an electrical delay–oriented strategy
Comparison of electrical delay measures
Impact on acute and long-term outcomes
Hemodynamics response
Midterm and long-term outcomes
Programming considerations
Summary
Clinics care points
Programming Algorithms for Cardiac Resynchronization Therapy
Key points
Introduction/history/definitions/background
Discussion
Future
Summary
Clinics care points
Multisite Left Ventricular Pacing in Cardiac Resynchronization Therapy
Key points
Introduction
Left ventricular pacing at the site of latest mechanical or electrical activation
Conceptual mechanism of incremental benefit from left ventricular multisite pacing
Left ventricular multisite pacing: preclinical studies
Left ventricular multisite pacing: clinical studies
Left ventricular multisite pacing: large multicenter prospective trials
Future directions
Clinics care points
Left Ventricular Endocardial Pacing: Update and State of the Art
Key points
Introduction
Rationale for endocardial rather than epicardial left ventricular pacing
How to pace the endocardium of the left ventricle?
Technical, technological, and safety issues
Candidates for left ventricular endocardial pacing and prospects
Summary
Funding
Conflict of interest
Case Studies of Cardiac Resynchronization Therapy “Nonresponders”
Key points
Case #1
Case #2
Case #3
Case #4
Summary
Clinics care points
Supplementary data
What Have We Learned in the Last 20 Years About CRT Non-Responders?
Key points
Introduction
What is “response”?
Factors affecting response and their optimization
Summary
Clinics care points
Conduction System Pacing for Cardiac Resynchronization Therapy
Key points
Introduction
Limitations of conventional cardiac resynchronization therapy
Conduction system pacing
Limitations of conduction system pacing
Summary
Clinics care points
His-Optimized and Left Bundle Branch-Optimized Cardiac Resynchronization Therapy: In Control of Fusion Pacing
Key points
Introduction
Fusion-optimized intervals with standard cardiac resynchronization therapy
Dynamic fusion algorithms for standard cardiac resynchronization therapy
Constant fusion with his-optimized cardiac resynchronization
Fusion pacing with left bundle branch-optimized CRT (LOT-CRT)
Patients with right bundle branch block
Practical considerations
Summary
Clinics care points
Status and Update on Cardiac Resynchronization Therapy Trials
Key points
Introduction
Summary
Clinics care points
Generating Evidence to Support the Physiologic Promise of Conduction System Pacing: Status and Update on Conduction System Pacing Trials
Key points
Introduction
Summary
Clinics care points