Background: The Riata implantable cardioverter-defibrillator lead was recalled by the Food and Drug Administration because of an increased rate of failure associated with cable externalization. Because of its mechanical separation, the Riata lead may be challenging to extract. We therefore examined the experience with Riata lead extractions at our institution.
Methods: All patients implanted with the Riata lead underwent detailed review of their electronic medical records and operative notes. Procedural complications were ascertained by reviewing the medical records up to 30 days after Riata extraction.
Results: From a total of 627 patients implanted with the Riata lead at our institution, 20 patients (age at time of extraction, 57 ± 11 years; 85 % men; lead dwell time, 48 ± 27 months) underwent lead extraction. Extraction was successful in 19 of 20 (95 %) patients and required the use of laser-powered sheaths in 18 (90 %) patients. Over a 30-day follow-up period, 1 of 20 (5 %) patients had a minor procedure-related complication consisting of a new pericardial effusion that did not require drainage.
Conclusions: Extraction of the Riata lead seems to be successful and safe and frequently requires the use of powered sheaths.
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http://dx.doi.org/10.1007/s10840-012-9751-9 | DOI Listing |
J Interv Card Electrophysiol
August 2024
Cardiac Electrophysiology Laboratories, Kansas City Heart Rhythm Institute, University of Missouri-Columbia, 5100 W 110Th St., Ste 200, Overland Park, KS, 66211, USA.
Background: Over 100,000 Abbott Riata were implanted in the United States before they were recalled in 2010. There are still a significant number of Abbott Riata leads in use, and it is unclear how these leads should be managed at the time of generator change or lead malfunction. Although data comparing both Sprint Fidelis and Abbott Riata leads in this setting is available, there are no multicenter comparative studies of outcomes for various lead management strategies, including lead extraction (LE), lead abandonment/revision (LA), and generator change (GC) only at the time of device at elective replacement interval (ERI) for Abbott Riata leads.
View Article and Find Full Text PDFJ Arrhythm
June 2023
Department of Cardiology Tokyo Women's Medical University 8-1 Kawada-cho, Shinjuku-ku Tokyo 162-8666 Japan.
Background: The long-term relationship between fracture-prone implantable cardioverter-defibrillator (ICD) leads and poor prognosis remains unclear in Japanese patients.
Methods: We conducted a retrospective review of the records of 445 patients who underwent implantation of advisory/Linox leads (Sprint Fidelis, 118; Riata, nine; Isoline, 10; Linox S/SD, 45) and non-advisory leads (Endotak Reliance, 33; Durata, 199; Sprint non-Fidelis, 31) between January 2005 and June 2012 at our hospital. The primary outcomes were all-cause mortality and ICD lead failure.
Heart Rhythm O2
April 2022
Cardiac Rhythm Management, Abbott, Sylmar, California.
Background: The Cardiac Lead Assessment Study (CLAS) was a large prospective, multicenter, international postmarket surveillance study conducted at 45 sites.
Objective: The purpose of CLAS was to examine the prevalence and incidence of externalized conductors and electrical dysfunction in subjects with selected St. Jude Medical defibrillator and left ventricular leads.
Heart Rhythm O2
February 2022
Population Health Research Institute, Hamilton Health Sciences, McMaster University, Hamilton, Canada.
Background: St Jude Medical (now Abbott) Optim-insulated implantable cardioverter-defibrillator (ICD) leads were expected to overcome problems with insulation abrasion and externalized conductors in earlier models. Long-term follow-up is essential to the evaluation of lead performance.
Objective: To determine, in a prospective cohort of Optim-insulated ICD leads, the rates of all-cause mechanical failure and its subtypes (conductor fracture, insulation abrasion, externalized conductors, and other mechanical failures) and electrical dysfunction adjudicated as nonmechanical failure.
Eur Heart J Case Rep
December 2021
Department of Cardiology, GB Pant Institute of Post Graduate Education and Research, MAMC, JLN Road, New Delhi 110002, India.
Background: Riata implantable cardioverter-defibrillator (ICD) leads are prone to a unique type of mechanical lead failure causing conductor externalization (CE) which may be complicated by a delayed-onset electrical lead failure (ELF).
Case Summary: A 60-year-old male with symptomatic, severe ischaemic cardiomyopathy, and atrial fibrillation following a prior anterior wall myocardial infarction received a dual-chamber ICD with 7F-RiataST ventricular lead as a primary prevention strategy against sudden cardiac death in 2008. In 2017, a pulse generator replacement was performed for elective replacement indicator status.
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