PMID: 6160506Mar 1, 1980Paper

The small-tined pacemaker lead--absence of dislodgement

Pacing and Clinical Electrophysiology : PACE
H G Mond, G Sloman

Abstract

The Medtronic 6961 unipolar transvenous ventricular lead has four symmetrically placed, small tines that protrude backward just proximal to the tip, and are designed to become entrapped beneath or between right ventricular trabeculae. One hundred leads were implanted. Initially, the leads were more difficult to position at the right ventricular apex as the tines tended to anchor on intracardiac structures. This was overcome by rotating the lead. The time of negotiating the lead from right atrium to right ventricular apex averaged 3.1 minutes for all leads. The first 20 procedures averaged 4.2 minutes and the last 20 averaged 2.1 minutes. In this latter group, 11 of the 20 passages took 60 seconds or less. Once adequate positioning was obtained, the lead was retracted using slight tension to demonstrate tip entrapment. There were no lead dislodgements. Eight deaths occurred following institution of pacing and lead dislodgement was not detected in any of these cases. Four patients had complications associated with pacing, two transient diaphragmatic pacing not requiring reoperation, one right ventricular perforation and one raised threshold with intermittent failure of pacing without lead perforation or dislodgement. Because of t...Continue Reading

References

Nov 1, 1979·Pacing and Clinical Electrophysiology : PACE·J G SlomanA Duffield
Feb 1, 1977·The American Journal of Cardiology·V Parsonnet
Aug 1, 1977·American Heart Journal·S Furman, J D Fisher
Aug 1, 1973·Archives of Surgery·L R BryantJ R Utley

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Citations

Jul 9, 1998·The Japanese Journal of Thoracic and Cardiovascular Surgery : Official Publication of the Japanese Association for Thoracic Surgery = Nihon Kyōbu Geka Gakkai Zasshi·S HasegawaS Sasaki
Jun 20, 2006·Annals of Biomedical Engineering·Narendra Bhadra, J Thomas Mortimer
Mar 1, 1984·Journal of the American College of Cardiology·N P MadiganT J Murphy
Aug 1, 1981·British Heart Journal·E J PerrinsB Terpstra
Nov 1, 1991·Journal of Veterinary Internal Medicine·D SissonL A DeLellis
Oct 29, 2011·Heart, Lung & Circulation·Harry G MondJ Graeme Sloman
Apr 12, 2006·Pacing and Clinical Electrophysiology : PACE·Peter M KistlerHarry G Mond
Aug 19, 2014·Pacing and Clinical Electrophysiology : PACE·Harry G MondRick McVenes
Apr 15, 1990·The American Journal of Cardiology·M de BuitleirF Morady
Jun 30, 2000·Japanese Circulation Journal·S TsukamotoY Sezai
Nov 1, 1995·Pacing and Clinical Electrophysiology : PACE·V ParsonnetR Schoenfeld
Jun 11, 2004·Pacing and Clinical Electrophysiology : PACE·Harry G Mond, David Grenz
Jan 1, 1992·Pacing and Clinical Electrophysiology : PACE·H G Mond, K B Stokes
Mar 1, 1981·Pacing and Clinical Electrophysiology : PACE·H G Mond, J G Sloman
Jan 1, 1982·Pacing and Clinical Electrophysiology : PACE·T M BashoreG S Wagner
Jan 1, 1982·Pacing and Clinical Electrophysiology : PACE·R PetersG Plotnick
Jul 1, 1982·Pacing and Clinical Electrophysiology : PACE·H MondM Hirshorn
Mar 1, 1982·Pacing and Clinical Electrophysiology : PACE·B WohlM Fisher
Mar 1, 1983·Pacing and Clinical Electrophysiology : PACE·D MorseG M Lemole
Mar 1, 1984·Pacing and Clinical Electrophysiology : PACE·S K PehrssonB Svane
Jul 1, 1982·Pacing and Clinical Electrophysiology : PACE·N Snow
May 1, 1980·Pacing and Clinical Electrophysiology : PACE·H MondG Sloman
Sep 1, 1983·Pacing and Clinical Electrophysiology : PACE·I KruseL Rydén
Jan 1, 1982·Pacing and Clinical Electrophysiology : PACE·N D BermanI H Lipton
Oct 10, 2020·Heart, Lung & Circulation·Harry G Mond, J Graeme Sloman

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