Safety and efficacy analysis of reimplanting leadless pacemakers in elderly patients after lead extraction
Objective To investigate the safety and efficacy of reimplanting leadless pacemakers in elderly patients after transvenous lead extractionremoval. Methods A retrospective review was conducted on the clinical data of elderly patients who were hospitalized at the Cardiac Electrophysiology Center of Peking University People's Hospi-tal and underwent leadless pacemaker (LP)implantation from January 2020 to October 2023.The patients were di-vided into two groups:LP implantation after CIED infection (infection group)and LP implantation without CIED infection (noninfection group).Medical records and programmed parameters of LP at 24 hours,1 month,6 months,and 1 year post-implantation were collected.Statistical analysis was performed on baseline data,implanta-tion site,type of LP implanted,intraoperative pacing parameters,and postoperative pacing parameters for both groups. Results 54 patients met the inclusion criteria.There were 24 cases in the infected group and 30 cases in the non infected group.The age of the infected group was younger than that of the non infected group[(83.8±3.9) years vs (87.3±4.0)years,P<0.05].The baseline data of the two groups of patients showed no differences (P>0 .05 ),except for the left atrial diameter in the infection group which was larger than the non infection group[(45.5±7.4)mm vs (40.5±7.2)mm].The infection group successfully removed the pacemaker and implanted LP,while the non infection group experienced 1 case of pericardial tamponade,which was cured after active rescue.Com-pared with the non infected group,there was no signif-icant difference in LP implantation site,pacemaker type,intraoperative implantation pacingparameters,and implantation complications in the infected group (P>0.05). There was a statistically significant difference (P<0.05)between the infected group and the non infected group in terms of perception[(9.5±3.3)mV vs (12.1±3.5)mV]at 6 months and perception[(10.2±3.1)mV vs (12.3±3.1)mV]at 1 year after LP implantation,while there was no difference in other postoperative pacing parameters. Conclusion Reimplantation of electrode leads in LP is safe and effective in elderly patients.
CardiologyElderlyTransvenous lead extractionCardiac implantable electronic device infectionLeadless pacemakerLeadless pacemaker re-implantation
NETL
NSTL
万方数据
