Abbreviations :AMEL- asymptomatic masses on endocardial leads, LDTD-
lead dependent tricuspid valve dysfunction, PA- pulmonary artery SVC-
superior vena cava, RA- right atrium , RV- right ventricle, TLE-
transvenous lead extraction;
Comparative analysis of the impact of several echocardiographic
parameters on the course and efficacy of TLE was presented in
supplementary file.