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Critical analysis of ineffective post implantation implantable cardioverter-defibrillator-testing
| Content Provider | Semantic Scholar |
|---|---|
| Author | Roos, Markus Geller, Jan Christoph Ohlow, Marc-Alexander |
| Copyright Year | 2017 |
| Abstract | AIM To test of the implantable-cardioverter-defibrillator is done at the time of implantation. We investigate if any testing should be performed. METHODS All consecutive patients between January 2006 and December 2008 undergoing implantable cardioverter-defibrillator (ICD) implantation/replacement (a total of 634 patients) were included in the retrospective study. RESULTS Sixteen patients (2.5%) were not tested (9 with LA/LV-thrombus, 7 due to operator's decision). Analyzed were 618 patients [76% men, 66.4 + 11 years, 24% secondary prevention (SP), 46% with left ventricular ejection fraction (LVEF) < 20%, 56% had coronary artery disease (CAD)] undergoing defibrillation safety testing (SMT) with an energy of 21 + 2.3 J. In 22/618 patients (3.6%) induced ventricular fibrillation (VF) could not be terminated with maximum energy of the ICD. Six of those (27%) had successful SMT after system modification or shock lead repositioning, 14 patients (64%) received a subcutaneous electrode array. Younger age (P = 0.0003), non-CAD (P = 0.007) and VF as index event for SP (P = 0.05) were associated with a higher incidence of ineffective SMT. LVEF < 20% and incomplete revascularisation in patients with CAD had no impact on SMT. CONCLUSION Defibrillation testing is well-tolerated. An ineffective SMT occurred in 4% and two third of those needed implantation of a subcutaneous electrode array to pass a SMT > 10 J. |
| Starting Page | 167 |
| Ending Page | 173 |
| Page Count | 7 |
| File Format | PDF HTM / HTML |
| PubMed reference number | 28289531v1 |
| Alternate Webpage(s) | https://doi.org/10.4330/wjc.v9.i2.167 |
| DOI | 10.4330/wjc.v9.i2.167 |
| Journal | World journal of cardiology |
| Volume Number | 9 |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | Arteriopathic disease Coronary Artery Disease Defibrillators Ejection fraction (procedure) Electric Countershock Implantable defibrillator Implantation procedure Implants Infusion Pumps, Implantable Left ventricular ejection fraction Patients Repositioning (procedure) Secondary Prevention Shock Ventricular Fibrillation defibrillator/cardioverters revascularization |
| Content Type | Text |
| Resource Type | Article |
