Intracardiac electrogram method of VV-delay optimization in biventricular pacemakers.

Area of Science:

• Cardiology
• Medical Devices
• Electrophysiology

Background:

• Cardiac resynchronization therapy (CRT) can be enhanced by optimizing ventricle-to-ventricle (VV) delay.
• Current VV-delay optimization methods are operator-dependent and time-consuming.
• Novel approaches are needed to improve the efficiency and reproducibility of VV-delay optimization.

Purpose of the Study:

• To present two cases demonstrating VV-delay optimization using a novel intracardiac electrogram (ICE) method.
• To evaluate the feasibility and potential benefits of the new ICE method for VV-delay optimization.
• To highlight a potential alternative to existing time-consuming optimization techniques.

Main Methods:

• Intracardiac electrogram recordings were utilized to assess VV-delay.
• A new method for ICE-based VV-delay optimization was applied in two patient cases.
• Standard clinical parameters were monitored to assess the impact of the optimization.

Main Results:

• Successful VV-delay optimization was achieved in both presented cases using the ICE method.
• The novel ICE method demonstrated potential for efficient VV-delay assessment.
• The findings suggest the ICE method may reduce operator dependency and time required for optimization.

Conclusions:

• VV-delay optimization using the novel ICE method is feasible and potentially beneficial.
• This new method may offer a more efficient and less operator-dependent alternative for CRT optimization.
• Further studies are warranted to validate the efficacy and generalizability of this ICE-based approach.