Table 2 Effect of Tailored Echo Guided Biventricular Pacemaker Optimization
Parameter | Baseline | Post Optimization | Percent Change | P value |
|---|---|---|---|---|
SBP (mm Hg) | 110 ± 22 | |||
DBP (mm Hg) | 62 ± 10 | |||
HR (bpm) | 66 ± 7 | 67 ± 7 | 1 ± 7% | 0.6 |
Echocardiographic | ||||
MR (grade) | 1.5 ± 1.1 | 1.1 ± 0.93 | -16.1 ± 26% | 0.001 |
PAP (mmHg) | 46 ± 10.8 | 38 ± 10.4 | -18.5 ± 11.8% | < 0.001 |
LV VTI (cm) | 15.9 ± 4.8 | 18.4 ± 5 | 17.4 ± 16% | < 0.001 |
ET (ms) | 286.9 ± 37.3 | 299 ± 34.6 | 4.5 ± 4% | < 0.001 |
FT (ms) | 422.5 ± 96.2 | 435.2 ± 81.4 | 4.8 ± 13.2% | 0.12 |
E/A ratio | 1.8 ± 1.3 | 1.6 ± 1.3 | 4.8 ± 24.3% | 0.094 |
MI VTI(cm) | 19.3 ± 8.4 | 19.7 ± 8.8 | 1.97 ± 14.9% | 0.473 |
MPI | 0.57 ± 0.2 | 0.45 ± 0.13 | -19.5 ± 10.8% | < 0.001 |
PEP(ms) | 136 ± 36 | 131.6 ± 40 | -2.6 ± 17.6 | 0.24 |
Radial Artery Tonometry | ||||
PEP (ms) | 246.7 ± 36.1 | 234.7 ± 35.5 | -4.5 ± 9.5% | 0.003 |
Radial Artery Tonometry and Echocardiographic | ||||
PEP/ET | 0.88 ± 0.21 | 0.79 ± 0.16 | -8.5 ± 9.5% | < 0.001 |
PEP/VTI | 17.3 ± 7 | 13.7 ± 4.7 | -17.5 ± 13.5% | < 0.001 |