AI Article Synopsis
- - The study compares two techniques for implanting left ventricular (LV) leads during cardiac resynchronization therapy (CRT): telescoping-support catheters (group TS) and standard over-the-wire methods (group OTW).
- - Results showed that group TS had a significantly lower failure rate for lead placements (1.9% vs 8.1%) and achieved optimal lead positioning more often (87% vs 75%).
- - Additionally, the telescoping-support method reduced fluoroscopy procedure time, averaging 29.6 minutes compared to 41.9 minutes for the standard method.
Article Abstract
Background: Proper positioning of the left ventricular (LV) lead improves clinical outcomes and survival in patients receiving cardiac resynchronization therapy (CRT). Techniques of LV lead insertion using contrast injection and a telescoping system of delivery catheters to support advancement of the lead into the target branch may allow more efficient, targeted lead placement. We sought to evaluate the impact of an LV lead implant approach using telescoping-support catheters (group TS) on success rate, lead location, and procedural time compared to standard over-the-wire implant techniques (group OTW).
Methods: Four hundred thirty-seven consecutive patients undergoing CRT implantation were divided into group TS (n = 105) or group OTW (n = 332) based upon a review of the operative technique used for LV lead implantation. The primary outcome was success of LV lead implantation at the index procedure. Secondary endpoints included optimal positioning of the LV lead and reduction in procedural fluoroscopy time.
Results: Failed LV lead placement was lower (1.9% vs 8.1%, P = 0.02) and optimal lead positioning was achieved more often for group TS than group OTW (87% vs 75%, P = 0.01). In addition, there were significantly shorter fluoroscopy times for group TS versus group OTW (29.6 minutes vs 41.9 minutes, P < 0.01).
Conclusion: A CRT-implant approach using contrast injection and a telescoping-support catheter system results in fewer failed LV lead implants, improved LV lead location, and shorter procedure times.
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| http://dx.doi.org/10.1111/pace.12103 | DOI Listing |
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