Table 1 Clinical characteristics of the patients involved in the study
Age, years | 67.25 ± 9.37 |
|---|---|
Male/female | 35/14 |
Etiology, n (%) | |
   Ischemic heart disease | 20 (40.8) |
   Dilated myocardiopathy | 24 (49.0) |
   Noncompaction of ventricular myocardium | 4 (8.2) |
   Other | 1 (2.0) |
NYHA class, n (%) | |
   II | 13 (28.9) |
   III | 29 (64.4) |
   IV | 4 (8.9) |
Medication, n (%) | |
   Beta-blocker | 42 (93.3) |
   ACEI/ARB | 27 (60.0) |
   MRA | 44 (97.8) |
   ARNI | 18 (40.0) |
   If-channel inhibitor | 3 (6.7) |
   Diuretics | 4 (8.9) |
   Digitalis | 3 (6.7) |
UCG | |
   LV EF (%) | 28.66 ± 4.94 |
   LVEDD (mm) | 70.42 ± 10.29 |
   LVESD (mm) | 59.13 ± 10.94 |
   PA pressure (mmHg) | 38.45 ± 6.98 |
   Diastolic mitral regurgitation, n (%) | 31 (68.9) |
ECG characteristics | |
   Intrinsic heart rate (bpm) | 68.21 ± 11.76 |
   PR interval (ms) | 185.88 ± 38.20 |
   QRS duration (ms) | 166.29 ± 21.34 |
Location of LV lead, n (%) | |
  Short axis | |
    Lateral/posterolateral | 32 (65.3) |
    Anterolateral | 13 (25.5) |
    Posterior | 4 (8.2) |
    Anterior | 0 |
  Long axis | |
    Basic | 16 (32.7) |
    Middle | 33 (67.3) |
    Apical | 0 |
 Device electrogram characteristics | |
    As-Vs (ms) | 200.02 ± 34.26 |
    Ap-Vs (ms) | 258.33 ± 45.46 |
    Pend-As (ms) | 86.08 ± 22.68 |
    Pend-Ap (ms) | 136.84 ± 23.92 |