Intraoperative defibrillation threshold testing and postoperative long-term efficacy of cardioverter-defibrillator implantation

Gan,Tianyi; Cao,Xiaozhi; Yu,Zhang; Tang,Baopeng; Li,Jinxin; Xu,Guojun; Zhou,Xianhui; Zhang,Yanyi; Li,Yaodong; Zhang,Jianghua

doi:10.3892/etm.2012.797

January 2013 Volume 5 Issue 1

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January 2013 Volume 5 Issue 1

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Article

Intraoperative defibrillation threshold testing and postoperative long-term efficacy of cardioverter-defibrillator implantation

Authors:
- Tianyi Gan
- Xiaozhi Cao
- Zhang Yu
- Baopeng Tang
- Jinxin Li
- Guojun Xu
- Xianhui Zhou
- Yanyi Zhang
- Yaodong Li
- Jianghua Zhang
View Affiliations / Copyright

Affiliations: Department of Cardiology, First Affiliated Hospital, Xinjiang Medical University, Urumqi, Xinjiang 830054, P.R. China, Department of Cardiology, Fuzhou General Hospital, Nanjing Command, PLA, Fuzhou 350025, P.R. China, Department of Cardiology, First Affiliated Hospital, Xinjiang Medical University, Urumqi, Xinjiang 830054, P.R. China
Pages: 323-327
|
Published online on: November 5, 2012

https://doi.org/10.3892/etm.2012.797
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Abstract

The aim of this study was to determine the defibrillation threshold (DFT) of implantable cardioverter-defibrillators (ICDs) and outcomes of treatment. Sixty-four patients received cardioverter-defibrillator implantation. During implantation, the DFT was determined by the defibrillation safety margin (DSM). All patients were followed up for 12-48 months after the implantation. The overall DFT was 14.27±2.56 J and the DSM was 18.40±1.89 J. Malignant ventricular arrhythmias occurred in 42 patients following cardioverter-defibrillator implantation including 500 episodes of non-sustained ventricular tachycardia (VT) and 289 episodes of persistent VT. VT was treated using antitachycardia pacing (ATP); 265 episodes were treated successfully by a single ATP treatment (91.69%) and 12 episodes were treated successfully by two ATP treatments (4.15%). Twelve episodes were converted by low-energy electrical cardioversion (4.15%). A total of 175 ventricular fibrillation (VF) episodes were identified, of which 18 episodes automatically terminated prior to treatment. In total, 146 episodes were converted by a single cardioversion with a defibrillation energy of 13.21±2.58 J and 11 episodes were converted by two cardioversions with a defibrillation energy of 16.19±2.48 J. It is safe and feasible to determine the DFT by DSM measurement during cardioverter-defibrillator implantation.

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Journals

International Journal of Molecular Medicine

International Journal of Oncology

Molecular Medicine Reports

Oncology Reports

Experimental and Therapeutic Medicine

Oncology Letters

Biomedical Reports

Molecular and Clinical Oncology

World Academy of Sciences Journal

International Journal of Functional Nutrition

International Journal of Epigenetics

Medicine International

Intraoperative defibrillation threshold testing and postoperative long-term efficacy of cardioverter-defibrillator implantation

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