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  • Title: Procedural outcome & risk prediction in young patients undergoing transvenous lead extraction-a GALLERY subgroup analysis.
    Author: Rexha E, Chung DU, Burger H, Ghaffari N, Madej T, Ziaukas V, Hassan K, Reichenspurner H, Gessler N, Willems S, Butter C, Pecha S, Hakmi S.
    Journal: Front Cardiovasc Med; 2023; 10():1251055. PubMed ID: 37745113.
    Abstract:
    BACKGROUND: The prevalence of young patients with cardiac implantable electronic devices (CIED) is steadily increasing, accompanied by a rise in the occurrence of complications related to CIEDs. Consequently, transvenous lead extraction (TLE) has become a crucial treatment approach for such individuals. OBJECTIVE: The purpose of this study was to examine the characteristics and procedural outcomes of young patients who undergo TLE, with a specific focus on identifying independent risk factors associated with adverse events. METHODS: All patients in the GALLERY (GermAn Laser Lead Extraction RegistrY) were categorized into two groups based on their age at the time of enrollment: 45 years or younger, and over 45 years. A subgroup analysis was conducted specifically for the younger population. In this analysis, predictor variables for all-cause mortality, procedural complications, and procedural failure were evaluated using multivariable analyses. RESULTS: We identified 160 patients aged 45 years or younger with a mean age of 35.3 ± 7.6 years and 42.5% (n = 68) female patients. Leading extraction indication was lead dysfunction in 51.3% of cases, followed by local infections in 20.6% and systemic infections in 16.9%. The most common device to be extracted were implantable cardioverter-defibrillators (ICD) with 52.5%. Mean number of leads per patient was 2.2 ± 1.0. Median age of the oldest indwelling lead was 91.5 [54.75-137.5] months. Overall complication rate was 3.8% with 1.9% minor and 1.9% major complications. Complete procedural success was achieved in 90.6% of cases. Clinical procedural success rate was 98.1%. Procedure-related mortality was 0.0%. The all-cause in-hospital mortality rate was 2.5%, with septic shock identified as the primary cause of mortality. Multivariable analysis revealed CKD (OR: 19.0; 95% CI: 1.84-194.9; p = 0.018) and systemic infection (OR: 12.7; 95% CI: 1.14-142.8; p = 0.039) as independent predictor for all-cause mortality. Lead age ≥ 10 years (OR: 14.58, 95% CI: 1.36-156.2; p = 0.027) was identified as sole independent risk factor for procedural complication. CONCLUSION: TLE in young patients is safe and effective with a procedure-related mortality rate of 0.0%. CKD and systemic infection are predictors for all-cause mortality, whereas lead age ≥ 10 years was identified as independent risk factor for procedural complications in young patients undergoing TLE.
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