Comparison for active and passive leads for endocardial pacing--II

Area of Science:

• Cardiology
• Biomedical Engineering
• Medical Device Evaluation

Background:

• Transvenous pacing leads are crucial for cardiac rhythm management.
• Evaluating the reliability and failure rates of different pacing lead models is essential for patient safety and effective treatment.
• Previous studies have indicated variability in performance among commercially available pacing leads.

Purpose of the Study:

• To compare the total and post-operative failure rates of four commercially available transvenous pacing leads.
• To identify leads with significantly different performance profiles.
• To provide data to inform clinical decisions regarding pacing lead selection.

Main Methods:

• A rotational order basis implantation of four transvenous pacing leads in 240 patients.
• Systematic recording of intra- and post-operative failures for each lead type.
• Comparison of failure rates with historical data from a previous study using an identical protocol.

Main Results:

• Total failure rates varied: Cordis 1 mm (1.7%), Biotronik IE-65-I (8.3%), Medtronic 6961 (6.7%), and CPI 4116 (10.0%).
• Post-operative failure rates were: Cordis 1 mm (1.7%), Biotronik IE-65-I (6.8%), Medtronic 6961 (0.0%), and CPI 4116 (5.3%).
• The Biotronik IE-65-I, across two studies, had a combined total failure rate of 5.1% and post-operative failure rate of 4.4%.

Conclusions:

• Significant differences in total and post-operative failure rates were observed among the evaluated transvenous pacing leads.
• The Medtronic 6961 demonstrated a 0.0% post-operative failure rate in this series.
• Clinical criteria should guide the final selection of a transvenous pacing lead.