Background: Transvenous lead extraction (TLE) is a complex invasive procedure and the experience of the operator and the team is a major determinant of procedural outcomes. Aim: Because of very limited data available on minimum procedural volumes to enable training and ongoing competency for TLEs, we performed a meta-analysis aimed at assessing the outcomes of TLE in the centres with low, medium, and high volume of procedures. Methods: Of the 280 papers initially retrieved until February 2013, 66 observational studiesmet inclusion criteria and were included in at least one stratified meta-analysis: 17 were prospective studies; 47 had a retrospective design; and 2 were defined 'experience studies'. We included only articles published after the introduction of laser technique (year 1999). We divided the studies in low, medium, and high volume centres utilizing either the European Heart Rhythm Association (EHRA) or Lexicon classification criteria. Results: When meta-analyses were carried out separately for the studies with larger and smaller sample sizes, either using EHRA or Lexicon classification criteria, no clear differences emerged in the combined rate of major complications or intraoperative deaths. In contrast, both minor complications and mortality at 30 days decreased as centre volume increased. Conclusions: In our meta-analysis of observational studies, patientswhohave been treated in higher volume centres have a lower probability of minor complications and death at 30 days regardless of the infection rate, length of lead duration, type of device, and type of extraction. Published on behalf of the European Society of Cardiology. All rights reserved.
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|Titolo:||Safety of transvenous lead extraction according to centre volume: A systematic review andmeta-analysis|
|Data di pubblicazione:||2014|
|Appare nelle tipologie:||03.1 Articolo su rivista|