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Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
Published on: December 11, 2017
Cardiac resynchronization therapy in heart failure patients with atrial fibrillation
Maurizio Gasparini1, François Regoli, Paola Galimberti
1IRCCS Istituto Clinico Humanitas, Via Manzoni 56, Rozzano/Milano, Italy. maurizio.gasparini@humanitas.it
Insights
Cardiac resynchronization therapy (CRT) improves heart failure outcomes. New guidelines now include atrial fibrillation (AF) patients for CRT, but optimal management strategies for AF burden require further definition.
Area of Science:
- Cardiology
- Medical Devices
- Heart Failure Management
Background:
- Cardiac resynchronization therapy (CRT) is a proven treatment for advanced heart failure (HF) patients in sinus rhythm.
- Guidelines now recommend CRT for atrial fibrillation (AF) patients, a significant HF subgroup.
- Current guidelines lack specific strategies for managing AF duration or burden in CRT candidates.
Purpose of the Study:
- To review how atrial fibrillation (AF) impacts CRT effectiveness.
- To discuss management strategies for different AF burdens in CRT recipients.
- To summarize the effects of CRT on patients with AF.
Main Methods:
- Literature review of existing guidelines and studies.
- Analysis of AF's interference with CRT delivery.
- Discussion of AF burden management and CRT outcomes in AF patients.
Main Results:
- AF can interfere with optimal CRT delivery.
- Management strategies for AF burden in CRT patients are evolving.
- CRT shows effects on heart failure parameters in AF patients, though specific data is limited.
Conclusions:
- CRT is increasingly considered for HF patients with AF.
- Further research is needed to define optimal CRT strategies based on AF characteristics.
- Effective management of AF is crucial for maximizing CRT benefits in heart failure.
Abstract:
Cardiac resynchronization therapy (CRT) is an important device-based, non-pharmacological approach that has shown, in large randomized trials, to improve left ventricular (LV) function and reduce both morbidity and mortality rates in selected patients affected by advanced heart failure (HF): New York Heart Association (NYHA) functional class III-IV, reduced LV systolic function with an ejection fraction (EF)
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