Document Detail


Atrial pacing leads following open heart surgery: active or passive fixation?
MedLine Citation:
PMID:  9358484     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The right atrial appendage is often amputated at the time of cardiopulmonary bypass. Because of concerns regarding lead displacement, use of active fixation atrial leads has been recommended in patients who require permanent atrial or dual chamber pacing after open heart surgery. We evaluated the acute and chronic performance of active and passive fixation atrial leads implanted at our institution between 1985 and 1993 in patients with previous open heart surgery. Of 78 consecutive patients, 38 had an active fixation atrial lead, 28 had a passive fixation steroid-eluting lead, and 12 had a passive fixation lead without steroid-eluting properties. At implantation, sensed P wave amplitudes were similar in the three groups, but lead impedance and threshold were significantly higher for active fixation leads compared to all passive fixation leads. During follow-up, atrial pacing thresholds were significantly higher, and sensed P wave amplitudes significantly lower, in the patients with active fixation leads compared to those with passive fixation leads. Loss of sensing occurred in 6 of 38 (16%) patients with active fixation leads and 1 of 40 (2.5%) patients with a passive fixation lead (P = 0.027). Atrial lead displacement occurred in two patients with active fixation leads and one with a passive fixation lead. Comparison with a parallel group of patients without previous open heart surgery demonstrated that atrial lead performance was similar in the two groups. We conclude that, when permanent atrial or dual chamber pacing is necessary in patients with prior open heart surgery, it is appropriate to implant a passive fixation atrial lead except on the infrequent occasions when a stable atrial position cannot be obtained.
Authors:
D T Connelly; D M Steinhaus; L Handlin; R Lemery; K Moutray; L Foley; S Davie; D Cardinal; J Lipke
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Pacing and clinical electrophysiology : PACE     Volume:  20     ISSN:  0147-8389     ISO Abbreviation:  Pacing Clin Electrophysiol     Publication Date:  1997 Oct 
Date Detail:
Created Date:  1997-12-19     Completed Date:  1997-12-19     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7803944     Medline TA:  Pacing Clin Electrophysiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  2429-33     Citation Subset:  IM    
Affiliation:
Mid America Heart Institute, Saint Luke's Hospital, Kansas City, Missouri, USA.
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MeSH Terms
Descriptor/Qualifier:
Aged
Cardiac Surgical Procedures*
Equipment Failure
Follow-Up Studies
Heart Atria
Humans
Pacemaker, Artificial* / adverse effects
Retrospective Studies
Steroids
Chemical
Reg. No./Substance:
0/Steroids

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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