• Heart Rhythm · Mar 2015

    Comparative Study

    Transvenous extraction profile of Riata leads: procedural outcomes and technical complexity of mechanical removal.

    • Maria Grazia Bongiorni, Andrea Di Cori, Luca Segreti, Giulio Zucchelli, Stefano Viani, Luca Paperini, Raffaele De Lucia, Dianora Levorato, Adriano Boem, and Ezio Soldati.
    • Second Division of Cardiology, Cardiothoracic and Vascular Department, University Hospital of Pisa, Pisa, Italy.
    • Heart Rhythm. 2015 Mar 1; 12 (3): 580-587.

    BackgroundRiata (RT) and Sprint Fidelis (SF) leads were recalled by the United States Food and Drug Administration because of an increased rate of failure mainly due to conductor fracture or insulation abrasion. According to lead design and type of failure, extraction complexity may be different, potentially affecting procedural outcomes and indications.ObjectiveThe purpose of this study was to assess the extraction profile of RT leads with and without cable externalization in comparison to SF leads.MethodsFrom January 1997 to April 2014, all consecutive RT and SF leads extracted transvenously were analyzed. Among 661 consecutive patients with 705 ventricular implantable cardioverter-defibrillator (ICD) leads extracted, 194 patients with 134 RT leads (RT group) and 61 SF leads (SF group) were identified. Removal indications often were infective (64%), and extracted leads had a prevalence of dual-coil design (89%). Baseline patients and lead characteristics were comparable between groups.ResultsSuccess rate was high in both groups (97.8% RT vs 100% SF) without major complications. Mechanical dilation was comparable between groups, but RT leads often required larger sheaths (11.7 ± 1.4 vs 11.3 ± 1.4), a more frequent crossover to the internal transjugular approach (14% vs 3%), and a longer procedural time (23 ± 33 minutes vs 12 ± 16 minutes). Implantation time (odds ratio 4.84, 95% confidence interval 1.05-22.2, P = .042) and RT leads (odds ratio 1.04, 95% confidence interval 1.02-1.06, P <.001) were independent predictors of the internal transjugular approach.ConclusionExtraction of RT leads is feasible and effective. However, extraction of RT leads is more complex than that of SF leads. Lack of coil backfilling and cable externalization in RT group may account for these differences.Copyright © 2015 Heart Rhythm Society. Published by Elsevier Inc. All rights reserved.

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