Arrhythmias & electrophysiology
Shockwave Intravascular Lithotripsy Facilitated Transvenous Lead Extraction
Main finding · Time actively extracting leadsResult — go to the resultDifference 25 minutesAuthors' conclusion
These data represent the first known cases using Shockwave IVL as an adjunctive measure during extraction of high-risk and high-complexity leads, with a resulting significant reduction in the amount of time spent engaging in the highest-risk phase of the procedure.
Study context
- Population
- Patients undergoing transvenous lead extraction of long dwell time pacemaker and defibrillator leads that were not freely mobile, Essentia Health, Duluth, Minnesota, October 2019 to April 2023of 120 undergoing TLE
- Participants
- 65 patients
- Exposure
- Intravascular lithotripsy (IVL) pretreatment vs conventional TLE
- IVLn = 14
- Outcome
- Time actively extracting leads
Methodological detailssingle-centre, Data compiled retrospectively; 55 of 120 excluded because leads were freely mobile
- Single-centre
- Data compiled retrospectively; 55 of 120 excluded because leads were freely mobile
Main finding
As reported in the abstract
Difference
25 minutes
P = 0.007
Observational data: associations, not effects.
Further findings
Baseline characteristics (diabetes, stroke, prior sternotomy, lead types)
- Not significantly different between IVL and conventional groups
- Median age 67 (IQR: 63-76) years; lead dwell time 10.7 (IQR: 6.9-14.9) years
Original publication
Shockwave Intravascular Lithotripsy Facilitated Transvenous Lead Extraction. JACC Clin Electrophysiol. Published 18 May 2023. doi:10.
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