Journal of the American College of Cardiology
Clinical research: electrophysiology
Patient alert in implantable cardioverter defibrillators: toy or tool?
Ruediger Becker, Jutta Ruf-Richter, Julia C Senges-Becker, Alexander Bauer, Slawomir Weretka, Frederik Voss, Hugo A Katus and Wolfgang Schoels
Table 1
Table 1
Clinical and Device-Related Characteristics of the Study Population
| Parameters | |
|---|---|
| Age (yrs) | 62.5 ± 12.3 |
| Left ventricular ejection fraction (%) | 41 ± 15% |
| Underlying heart disease | |
| Coronary artery disease | 167 (70%) |
| Dilated cardiomyopathy | 46 (19%) |
| Others | 8 (3%) |
| No structural heart disease | 19 (8%) |
| Indication for ICD implantation | |
| Primary prevention of SCD | 48 (20%) |
| Secondary prevention of SCD | 192 (80%) |
| Device characteristics | |
| Pectoral | 231 (96%) |
| Abdominal | 9 (4%) |
| First ICD implantation or system (device + lead) reimplantation | 203 (85%) |
| Device replacement | 37 (15%) |
ICD = implantable cardioverter defibrillator; SCD = sudden cardiac death.
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