---
abstract: |
Background: The implantable cardioverter defibrillators (ICDs) are increasingly being used as a treatment modality for life threatening tachyarrhythmia. The purpose of this study was to compare the frequency of complications and mortality between single-chamber and dual-chamber ICD implantation in Shahid Rajaie cardiovascular center.
Methods and results: Between January 2000 and December 2004, 234 patients received ICD by a percutaneous transvenous approach and were followed for 33 ± 23 months. The cumulative incidence of complications was 9.4% over the follow-up period. There was no significant difference in overall complication rate between single chamber (VR) and dual chamber (DR) ICD groups in the follow-up period (P= 0.11). The risk of complications did not have any statistically significant difference in secondary versus primary prevention groups (P=0.06). The complications were not associated with the severity of left ventricular systolic dysfunction (P=0.16).The frequency of lead-related complications was higher in dual chamber ICDs in comparison with single chamber ICDs (P=0.02). There was no significant difference in mortality between different sex groups (P=0.37), different indications for ICD implantation (P=0.43) or between VR and DR ICD groups (P= 0.55). Predictors of mortality were NYHA class III or more (P<0.001), age >65 years (P=0.011) and LVEF<30% (P<0.001). The mortality in patients with CAD and DCM were significantly higher than those with other structural heart diseases (P=0.001).
Conclusions: Close monitoring of patients during the first 2 month after ICD implantation is recommended because the majority of complications occur early after the procedure.
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- http://www.ipej.org/0602/bagherzadeh.htm
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creators_name:
- family: Bagherzadeh
given: Ataallah
honourific: ''
lineage: ''
- family: Emkanjoo
given: Zahra
honourific: ''
lineage: ''
- family: Haghjoo
given: Majid
honourific: ''
lineage: ''
- family: Farahani
given: Maryam Moshkani
honourific: ''
lineage: ''
- family: Alizadeh
given: Abolfath
honourific: ''
lineage: ''
- family: Sadr-Ameli
given: Mohammad Ali
honourific: ''
lineage: ''
date: 2006-04
date_type: published
datestamp: 2006-04-01
department: ~
dir: disk0/00/00/48/00
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editors_id: []
editors_name:
- family: Singh
given: Balbir
honourific: ''
lineage: ''
- family: Lokhandwala
given: Yash
honourific: ''
lineage: ''
- family: Francis
given: Johnson
honourific: ''
lineage: ''
- family: Gupta
given: Anup
honourific: ''
lineage: ''
- family: Ghosh
given: Joydeep
honourific: ''
lineage: ''
eprint_status: archive
eprintid: 4800
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ispublished: pub
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keywords: 'implantable cardioverter-defibrillator; complication; mortality '
lastmod: 2011-03-11 08:56:22
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number: 2
pagerange: 75-83
pubdom: TRUE
publication: Indian Pacing and Electrophysiology Journal
publisher: Indian Pacing and Electrophysiology Group
refereed: TRUE
referencetext: |-
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reportno: ~
rev_number: 14
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status_changed: 2007-09-12 17:02:35
subjects:
- ipej
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title: 'Complications and Mortality of Single Versus Dual Chamber Implantable Cardioverter Defibrillators '
type: journalp
userid: 4424
volume: 6