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Chronic performance of Riata 1580 and Endotak 0158 ICD leads: A single center 10‐year experience

Cobb, V; Ezzat, V; Higgins, F; Lambiase, P; Lowe, M; Segal, O; Chow, A; (2020) Chronic performance of Riata 1580 and Endotak 0158 ICD leads: A single center 10‐year experience. Pacing and Clinical Electrophysiology 10.1111/pace.13917. (In press). Green open access

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Abstract

BACKGROUND: The long term performance of the Riata family of leads has recently come under increasing scrutiny. We aimed to determine the long term performance of the Riata 1580 leads compared with Endotak 0158 leads. METHODS: All patients with Riata 1580 or Endotak 0158 leads implanted from 2003-2008 at the Heart Hospital, UCLH were analysed. Significant electrical changes were: threshold increase >1V at a set pulse width between pacing checks, persistent R wave fall to < 2mV or reduction in R wave >50%, noise, pacing impedance change to <300Ω or >1500 Ω, HV change to < 20Ω or > 200Ω, HV change ± 15Ω, pacing impedance change > 400Ω over 12 months. RESULTS: 333 Riata and 356 Endotak leads were implanted. Median follow up time + interquartile range, after exclusion of censored events including loss to follow up: Riata 3652 + 655 days, Endotak 3730 + 810 days. A total of 51 (15.9%) Riata leads and 21 (6.3%) Endotak leads were affected. A greater risk of failure was found for the Riata lead compared with the Endotak lead (p = 0.0001). An additional time-dependent effect was found, with the Riata lead 1.9 times more likely to fail in the first 6 years following lead implantation and 5.3 times more likely to fail after 6 years. CONCLUSIONS: Riata leads have a higher risk of failure compared to Endotak leads over time. The importance of careful ongoing performance surveillance late in the leads' lifetime is reflected in this ten year follow up study. This article is protected by copyright. All rights reserved.

Type: Article
Title: Chronic performance of Riata 1580 and Endotak 0158 ICD leads: A single center 10‐year experience
Location: United States
Open access status: An open access version is available from UCL Discovery
DOI: 10.1111/pace.13917
Publisher version: https://doi.org/10.1111/pace.13917
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Endotak, ICD, Riata, lead failure<PE-FRONTEND>, lead performance
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Cardiovascular Science
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Cardiovascular Science > Clinical Science
URI: https://discovery.ucl.ac.uk/id/eprint/10105832
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