SMART pass will prevent inappropriate operation of S-ICD

Journal of Arrhythmia
Motomi TachibanaHiroshi Ito

Abstract

Compared to screening ECG before implantation of a subcutaneous implantable cardioverter-defibrillator (S-ICD), selectable vectors without T-wave oversensing increase after S-ICD implantation. Newer algorithms have recently become available to reduce T-wave oversensing, such as SMART pass (SP). With this function, more selectable vectors are identified after S-ICD implantation. However, this improvement in eligibility utilizing SP has not yet been well validated. We aimed to clarify S-ICD eligibility before and after S-ICD implantation with and without SP. Participants comprised 34 patients implanted with an S-ICD at Okayama University Hospital and its affiliated hospitals between February 2016 and August 2017. A total of 102 S-ICD vectors were assessed for eligibility before and after S-ICD implantation, at rest and during exercise testing. Vector availability was evaluated in the presence and absence of SP after S-ICD implantation. Subcutaneous implantable cardioverter-defibrillator eligibility was significantly better after implantation even without SP than S-ICD screening before S-ICD implantation, both at rest (before 65.7% vs after 95.1%, P < 0.01) and during exercise (before 59.3% vs after 90.6%, P < 0.01). SP improved S...Continue Reading

References

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Citations

Apr 16, 2020·Diabetes & Vascular Disease Research : Official Journal of the International Society of Diabetes and Vascular Disease·Elif KayaReza Wakili
Nov 2, 2019·Clinical Research in Cardiology : Official Journal of the German Cardiac Society·Kevin WillyGerrit Frommeyer
Feb 9, 2020·Herzschrittmachertherapie & Elektrophysiologie·Axel KloppeDejan Mijic

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