A1 (Evolution with adhesion) (n = 18) B1 (Evolution R/L with adhersion) (n = 59)
P value
Age at implantation (mean ± SD)
60.67 ± 17.03
57.2 ± 11.3
0.4942
Age at extraction (mean ± SD)
67.72 ± 17.39
66.8 ± 11.7
0.8003
Male gender 15/18 (83.3%) 45/59 (76.3%) 0.7475
L.E. Indication 0.0020
Infection 13/18 (72.2%) 16/59 (27.1%)
Lead malfunction 4/18 (22.2%) 25/59 (42.4%)
Other 1/18 (2.6%) 18/59 (30.5%)
Systolic LV function 0.4029
severe impairment 5/18 (27.8%) 20/59 (33.9%)
moderate impairment
2/18 (11.1%)
12/59 (20.3%)
mild impairment 2/18 (11.1%) 11/59 (18.6%)
normal 9/ (50.0%) 16/59 (27.1%)
Leads extraction
RV 11/18 (61.1%) 24/59 (40.7%) 0.1773
ICD 7/18 (38.9%) 39/59 (66.1%) 0.0393
Lead age (years) 0.0503
0 – 2 4/18 (22.2 1/59 (1.7%)
2 – 4 2/4 (11.1%) 7/59 (11.9%)
4 – 6 4/18 (22.2%) 9/59 (15.3%)
6 – 8 3/18 (16.7%) 9/59 (15.3%)
8 – 10 1/18 (5.6%) 12/59 (20.3%)
Age lead > 10 years 4/18 (22.2%) 21/59 (35.6%) 0.2889