Background and Aims
While numerous studies have demonstrated favorable safety and efficacy of the excimer laser sheath for transvenous lead extraction (TLE) in smaller cohorts, comprehensive large-scale investigations with contemporary data remain scarce. This study aims to evaluate the safety and performance of laser assisted TLE through a meta-analysis of contemporary data.
Methods
A systematic literature search was conducted to identify articles which assessed the safety and performance of the SLS II and GlideLight Excimer laser sheaths in TLE procedures between April 1, 2016 and March 31, 2021. Safety outcomes included procedure-related death and major/minor complications. Performance outcomes included procedural and clinical success rates. A random-effects, inverse-variance-weighting meta-analysis was performed to obtain the weighted average of the evaluated outcomes.
Results
In total, 17 articles were identified and evaluated, including 1,729 patients with 2,887 leads. Each patient, on average, had 2.3 ± 0.3 leads with a dwell time of 7.9 ± 3.0 years. The TLE procedural successes rate was 96.8% (1,440/1,505; 95% CI: [94.9%-98.2%]) per patient and 96.3% (1,447/1,501; 95% CI: [94.8%-97.4%]) per lead, and the clinical success rate per patient was 98.3% (989/1,010, 95% CI: [97.4%-99.0%]). The procedure-related death rate was 0.08% (7/1,729, 95% CI: [0.00%, 0.34%]), with major and minor complication rates of 1.9% (41/1,729; 95% CI: [1.2%-2.8%]) and 1.9% (58/1,729; 95% CI: [0.8%-3.6%]), respectively.
Conclusion
This meta-analysis demonstrated that excimer laser sheath assisted TLE has high success and low procedural mortality rates. It provides clinicians a reliable and valuable resource for extracting indwelling cardiac leads which require advanced extraction techniques.