Clinical research in cardiology : official journal of the German Cardiac Society · 2024
Feasibility, timing and outcome of leadless cardiac pacemaker implantation in patients undergoing cardiac implantable electronic device extraction.
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Kiblboeck Daniel, Blessberger Hermann, Ebner Jakob, Boetscher Jakob, Maier Julian, Reiter Christian, Kellermair Joerg, Steinwender Clemens, Saleh Karim
Аннотация
BACKGROUND: Patients requiring extraction of infected or dysfunctional cardiac implantable electronic devices (CIED) have high morbidity and mortality. The Micra™ leadless cardiac pacemaker (LCP) may be beneficial for patients requiring permanent pacemaker therapy after CIED extraction.
METHODS: This study aimed to assess the feasibility, timing and outcomes of LCP implantation in patients who underwent CIED extraction due to infection or dysfunction. The local Micra™ LCP registry was reviewed for LCP implantations and CIED extractions.
RESULTS: Micra™ LCP implantation was scheduled for 48 consecutive patients (21 women, 44%) undergoing CIED extraction for infection (n = 38, 79%) or dysfunction (n = 10, 21%), and feasible in 47 (98%). Complete CIED removal was feasible in 44 patients (92%) and in 37/38 patients with infected CIED (97%). Overall, 32 LCP (67%) were implanted in a single procedure: 3 (6%) before and 13 (27%) after CIED extraction. LCP were implanted in a single procedure in 24/38 patients (63%) with infected CIED and in 8/10 patients (80%) with dysfunctional CIED. The in-hospital mortality rate was 6% (n = 3), and the survival rates at 30 days, 90 days and 1 year were 94% (n = 45/48), 90% (n = 43/48), and 85% (n = 41/48), respectively. No recurrent LCP-related mortality or infections occurred during a median follow-up of 15 (interquartile range, 12-41) months.
CONCLUSION: Two-thirds of LCPs could be implanted in a single procedure with CIED extraction; no recurrent infections were detected. Overall, Micra™ LCP implantation in patients requiring CIED extraction was feasible.
METHODS: This study aimed to assess the feasibility, timing and outcomes of LCP implantation in patients who underwent CIED extraction due to infection or dysfunction. The local Micra™ LCP registry was reviewed for LCP implantations and CIED extractions.
RESULTS: Micra™ LCP implantation was scheduled for 48 consecutive patients (21 women, 44%) undergoing CIED extraction for infection (n = 38, 79%) or dysfunction (n = 10, 21%), and feasible in 47 (98%). Complete CIED removal was feasible in 44 patients (92%) and in 37/38 patients with infected CIED (97%). Overall, 32 LCP (67%) were implanted in a single procedure: 3 (6%) before and 13 (27%) after CIED extraction. LCP were implanted in a single procedure in 24/38 patients (63%) with infected CIED and in 8/10 patients (80%) with dysfunctional CIED. The in-hospital mortality rate was 6% (n = 3), and the survival rates at 30 days, 90 days and 1 year were 94% (n = 45/48), 90% (n = 43/48), and 85% (n = 41/48), respectively. No recurrent LCP-related mortality or infections occurred during a median follow-up of 15 (interquartile range, 12-41) months.
CONCLUSION: Two-thirds of LCPs could be implanted in a single procedure with CIED extraction; no recurrent infections were detected. Overall, Micra™ LCP implantation in patients requiring CIED extraction was feasible.