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January 8, 2015Journal of Cardiovascular ElectrophysiologyOpen Access

A New Algorithm to Reduce Inappropriate Therapy in the S‐ICD System

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Why the study?

Does a novel discrimination algorithm reduce inappropriate therapy due to T-wave oversensing in the S-ICD system?

Population

Database of recorded episodes from subcutaneous ICD systems, including a development set and an independent…

Comparison

A novel discrimination algorithm for the S-ICD… vs The S-ICD system without the new algorithm.

Design

Other

Authors

ABAmy BrisbenMBMartin C. BurkeBKBradley P. Knight

Discussion

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Overview

May reduce inappropriate S-ICD therapies; leaves open prospective validation before practice change.

Structured PICO

Does a novel discrimination algorithm reduce inappropriate therapy due to T-wave oversensing in the S-ICD system?

P
Population
Database of recorded episodes from subcutaneous ICD (S-ICD) systems, including a development set (244 appropriate therapies for ventricular arrhythmias, 133 inappropriate detections due to T-wave oversensing) and an independent validation set (161 T-wave oversensing episodes, 137 ventricular episodes, 328 supraventricular episodes).
I
Intervention
A novel discrimination algorithm for the S-ICD system that uses correlation of the existing complex to previous complexes.
C
Comparator
The S-ICD system without the new algorithm.
O
Outcome
Reduction in inappropriate charge due to T-wave oversensing (TWOS).safety

A novel discrimination algorithm for the S-ICD system significantly reduces inappropriate charges due to T-wave oversensing without compromising appropriate therapy for ventricular arrhythmias.

Cite This Study

Brisben et al. (2015) studied this question.

synapsesocial.com/papers/6a70c99af44fa9f079de7e8ehttps://doi.org/10.1111/jce.12612
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