Right Ventricular Septal Pacing: A Paradigm Shift

Area of Science:

• Cardiology
• Electrophysiology
• Medical Devices

Background:

• The right ventricular (RV) apex has been the standard site for ventricular lead implantation in permanent pacemakers.
• Long-term RV apical pacing is associated with negative impacts on ventricular function and hemodynamics due to induced ventricular dyssynchrony.

Purpose of the Study:

• To review and evaluate the available data on alternative ventricular pacing sites.
• To explore the potential benefits of RV septal and His bundle pacing over RV apical pacing.

Main Methods:

• Literature review of studies evaluating alternative ventricular pacing sites.
• Analysis of data on patient outcomes, ventricular function, and hemodynamic effects.

Main Results:

• RV apical pacing can lead to ventricular dyssynchrony, impairing cardiac function.
• Alternative sites, such as the RV septum and His bundle, are being investigated as potentially superior pacing locations.

Conclusions:

• Alternative ventricular pacing sites may mitigate the adverse effects associated with long-term RV apical pacing.
• Further research into RV septal and His bundle pacing is warranted for optimizing long-term pacing strategies.