| Passive-fixation J-shaped versus straight leads in atrial position: comparison of efficacy and safety. | |
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MedLine Citation:
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PMID: 11202249 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To compare the efficacy and safety of straight and J-shaped passive-fixation atrial leads we retrospectively analyzed the results of 100 consecutive implantations of atrial leads at one institution. There were seven cases of upgrades of VVIR to DDDR systems and in one case an active-fixation lead was chosen as a primary approach. These eight patients were excluded from the analysis. The final study group consisted of 92 cases (69 DDDR, 23 AAIR), 69 were J and 23 straight leads. The stimulation threshold, slew rate, impedance, P wave amplitude, and procedural time did not differ significantly between the two types of leads used. During the long-term follow-up of 6-53 months (30 +/- 11.9 months), replacements using active-fixation leads were required in two patients with straight leads and three patients with J leads (P = NS). In addition, one J lead showed signs of damage (impedance > 3,000 Ohm). Long-term follow-up values of the stimulation thresholds and P wave amplitudes did not differ between the groups (P = NS). Transesophageal echocardiography performed in 13 patients revealed a trend toward more distal placement of straight leads within the right atrial appendage. In conclusion, J-shaped leads do not seem to be superior to the straight leads for atrial implantations. |
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Authors:
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A Krupienicz; S Karczmarewicz; W Marciniak; A Gniłka; P Kułakowski; J Adamus |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Pacing and clinical electrophysiology : PACE Volume: 23 ISSN: 0147-8389 ISO Abbreviation: Pacing Clin Electrophysiol Publication Date: 2000 Dec |
Date Detail:
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Created Date: 2001-02-01 Completed Date: 2001-04-19 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 7803944 Medline TA: Pacing Clin Electrophysiol Country: United States |
Other Details:
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Languages: eng Pagination: 2068-72 Citation Subset: IM |
Affiliation:
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Department of Cardiology, Central Military Hospital, Szaserów 128, 00-909 Warsaw 60, Poland. CARDIO@WAW.PDI.NET |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Aged Aged, 80 and over Cardiac Pacing, Artificial / methods Cardiac Surgical Procedures* Echocardiography, Transesophageal Female Heart Atria Humans Male Middle Aged Pacemaker, Artificial* Retrospective Studies Safety Treatment Outcome |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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