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Transcoronary pacing: are the modern wires effective?
Neeraj Parakh1, Sanjeev Asotra, Sandeep Singh
1Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India.
Indian Heart Journal
|December 31, 2009
Summary
Modern coronary guide wires are safe and effective for transcoronary pacing in patients with bradyarrhythmias during angioplasty. This study confirms their dependability as a temporary pacing solution.
Area of Science:
- Cardiology
- Interventional Cardiology
- Electrophysiology
Background:
- Coronary guide wires are essential tools in percutaneous coronary interventions.
- Limited data exists on the use of contemporary coronary guide wires for left ventricular pacing during coronary angioplasty.
Purpose of the Study:
- To evaluate the safety and efficacy of commonly used coronary guide wires for transcoronary pacing.
- To assess the feasibility of utilizing guide wires as temporary pacing leads.
Main Methods:
- Transcoronary pacing was performed in 25 patients undergoing elective coronary angioplasty.
- Four types of coronary guide wires (BMW, Galeo, Couger, Magic) were tested.
- Ex vivo measurements of guide wire resistance at varying distances from the tip were recorded.
Main Results:
- Successful pacing was achieved in all 25 patients without any pacing-related complications.
- The mean pacing threshold ranged from 4 mA to 5.54 mA.
- Guide wire resistance varied between 12 and 31 ohms, dependent on the wire type and distance from the tip.
Conclusions:
- Transcoronary pacing with modern coronary guide wires is a safe and well-tolerated temporary measure.
- This technique is dependable for managing significant bradyarrhythmias during interventional procedures.
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