Europace Advance Access originally published online on November 13, 2007
Europace 2008 10(1):35-39; doi:10.1093/europace/eum241
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PACING
Comparison of results with different left ventricular pacing leads
Heart Institute, Sheba Medical Center and Sackler Faculty of Medicine, Tel Aviv University, 52621 Tel Hashomer,Tel Aviv, Israel
Aims: To compare different coronary sinus (CS) leads and delivery systems (DSs) for left ventricular pacing.
Methods and results: Delivery systems-related (including CS dissection and dislocations during sheath/stylet removal) and lead-related (including failure to accomplish implantations and long-term malfunctions resulting in abandonment or repositioning/replacing of the lead) complications between systems and leads were compared. We used Medtronic (MDT) attain® DS (n = 123) with over-the-wire (OTW) (4193, 4194) and stylet-driven (2187) leads, and Guidant (GDT)® DS (n = 126) with Easytrak OTW leads (4513, 4518, and 4525). Coronory sinus dissection occurred in 6/123 (5%) cases using the MDT DS vs. 7/126 (6%) with GDT DS (P= NS). Dislocations during sheath/stylet removal occurred in 8/123 cases (6%) with MDT DS, and in 8/126 (6%) with GDT DS (P= NS). Failure to achieve successful implantation occurred in 6/32 (19%) of the 2187 leads, in 11/87(13%) of the 4193/4194 leads, in 7/94(7%) of the 4513/4518 leads, and in 4/29 (14%) of the 4525 leads (P= NS). Long-term lead-related complications occurred in 5/32 (15%) of the 2187 leads, 19/80 (23%) of the 4193/4194 leads, 19/93 (20%) of the 4513/4518 leads, and 2/28 (7%) of the 4525 leads (P= NS).
Conclusion: No significant differences in complication rates between systems and leads were observed.
Key Words: Left ventricular leads, Cardiac resynchronization therapy, Delivery systems
* Corresponding authors. Tel: +972 3 904 3836. E-mail address: ernof{at}netvision.net.il (E.N.); Tel: +972 3 530 2608; fax: +972 3 535 6605. E-mail address: mglikson{at}post.tau.ac.il (M.G.)
Manuscript submitted 19 May 2006. Accepted after revision 12 October 2007.
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