Age (mean±SD) 32 ± 17
Male sex (n, %) 9 (45)
Previous pacemaker (n, %) 10 (50)
Previous cardiac surgery (n, %) 15 (75)
LV systemic ventricle (n, %) 14 (70)
RV systemic ventricle (n, %) 6 (30)
LV systemic ventricle EF (%)(mean±SD) 51±16
RV systemic ventricle FAC (%) (mean±SD) 39±13
Systemic ventricle systolic dysfunction (n, %) 13 (65)
Baseline QRS width (mean±SD) 144±32
Baseline QRS>120 ms (n, %) 14 (70)
NYHA functional class (n, %) - I - II - III/IV 11 (55) 9 (45) 0
Baseline rhythm at implant (n, %) - normal AV conduction - 2nd degree AV block - complete AV block 3 (15) 2 (10) 15 (75)
Atrial arrhythmias (n, %) 10 (50)
Oral anticoagulation (n, %) 7 (35)
Serum creatinine (mean±SD) 0.76±0.21
INR (mean±SD) 1.3±0.5
General anesthesia (n, %) 4 (20)
Total procedure time (min)(mean±SD) 126±82
CSP lead implant time (mean±SD) 31±28
CSP sheath (n, %) - C315His - C304 - Other 14 (70) 4 (20) 2 (10)
No. attempts for CSP lead implant (mean±SD) 3.4±2.8
No. turns to screw the CSP lead (mean±SD) 14±6
CSP lead pacing threshold (V)(mean±SD) 0.85±0.61
CSP lead sensing (mV) (mean±SD) 9.8±9.2
CSP lead pacing impedance (Ohms)(mean±SD) 735±253
Final paced QRS width (ms)(mean±SD) 116±16
Total fluoroscopy time (min) (mean±SD) 27±30