Arrhythmias & electrophysiology

Efficacy of a gentamycin-collagen sponge to prevent infections in patients with an implantable cardioverter defibrillator undergoing device replacement or lead revision: Results of a monocentric ICD registry observational study

Heart RhythmPublished monocentric ICD registry observational study

Authors' conclusion

The additional use of a GCS was associated with a lower incidence of device infections than standard-of-care infection prevention strategies alone.

Study context

Population
ICD patients who underwent elective device replacement, system upgrade, or lead revision between 2017 and April 2024consecutive ICD patients analyzed
Participants
507 patients
Exposure
Cardiac device infection rate with and without the use of a gentamycin-collagen sponge (GCS)
  • GCS groupn = 277
  • Control groupn = 230reference
Outcome
Kaplan-Meier estimated infection rate
Follow-up
1 year
Methodological detailsprospective single-center ICD registry, consecutive patients
  • Prospective single-center ICD registry
  • Consecutive patients

Main finding

As reported in the abstract

P = 0.005

Observational data: associations, not effects.

Further findings

OutcomeHR (95% CI)
Device infection during follow-up (use of GCS as independent predictor)Lower device infection rate with GCS0.23 (0.07–0.84)

Baseline characteristics

Similar between both groups

Original publication

Efficacy of a gentamycin-collagen sponge to prevent infections in patients with an implantable cardioverter defibrillator undergoing device replacement or lead revision: Results of a monocentric ICD registry observational study. Heart Rhythm. Published 18 March 2025. doi:10.1016/j.hrthm.2025.03.1963

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