PO-03-077 CENTRAL VENOUS OCCLUSION IN PEDIATRIC PATIENTS WITH TRANSVENOUS DEVICE LEAD RE-IMPLANTATIONS

Central venous occlusion is a risk when using transvenous pacemaker leads, which may complicate repeated lead implantation. This particularly important in young children with small body sizes, who often need an upgrade from single to dual chamber device later life. Furthermore, survival reported be shorter compared adults. Despite this, there are limited data on access patency during implantations patients receiving their first childhood. We aimed assess the rate of central at and third implantation patients, received All or ICD before age 15 had repeat were identified Danish National Pacemaker Registry. Patient characteristics retrieved medical charts. Between 1977 2021 284 implanted. Median was 7.4(IQR2.9-11.3) years. 139 underwent re-implantation after median 7.7(IQR2.7-10.5) Most frequent causes failure, fracture growth-related problems. At re-implantation, nine (6.5%) three (2.2%) led contralateral access. It found that below 7 years predicted reimplantation(P-value 0.04). second 18.1(IQR 13.2-22.5) time between 4.6(IQR 1.4-7.0) seven (5.0%) occlusion. Repeatedly, factor (P-value 0.02). In pediatric implantation, 6.5% 5.0% reimplantation. Age both re-implantation. To increase life-time need, should avoided