Transvenous lead extraction is increasingly performed for device upgrades in younger patients with more cardiovascular comorbidities, although lead dysfunction and infection remain the primary indications.
Background: The use of cardiac implantable electronic devices (CIEDs) to treat tachy- and bradyarrhythmia has significantly increased over the past decades. Consequently, transvenous lead extractions (TLE) have been performed more frequently, particularly in the treatment of device infection or malfunction. We aimed to evaluate the development of procedure indications and cardiovascular risk factors of patients undergoing TLE over time. Materials and methods: 277 TLE cases from 2013 to 2020 performed at the University Hospital Zurich were included in this retrospective analysis. Patient charts and follow-up letters were screened for procedure indication and cardiovascular risk factors to evaluate trends over time. Results: 502 leads were extracted in 273 patients. The main indications for TLE remained lead dysfunction (48.7%) and infection (31.4%) throughout the investigated period; however, infections were less and device upgrade more frequently encountered indications for TLE over time. Mean patient age at the time of TLE (64.0 ± 0.9 in the entire sample) decreased over time, while the incidence of chronic kidney disease (33.6%), heart failure (48.6%), or diabetes mellitus (22%) demonstrated an increasing trend. Conclusions: The main indications for TLE remain device malfunction and infection, while device upgrade was increasingly encountered as an indication for TLE in recent years. Over time, patients undergoing TLE were increasingly younger and more often presented with cardiovascular risk factors.
Höfer et al. (Wed,) studied this question.
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