Table 3. Changes in cardiovascular parameters due to pacing.
| Parameter | HR60 | HR70 | HR80 | HR90 | HR100 | p |
|---|---|---|---|---|---|---|
| bSBP (mmHg) | 126.75±16.96 | 131.05±20.41 | 131.15±18.23 | 132.15±19.86 | 134.90±19.40 | <0.001 |
| bDBP (mmHg) | 71.65±9.11 | 75.70±10.71 | 78.55±10.35 | 81.70±10.40 | 85.95± 11.32 | <0.001 |
| bMAP (mmHg) | 87.95±10.29 | 93.60±13.22 | 96.35±11.75 | 100.70±13.41 | 104.75±14.03 | <0.001 |
| SV (ml) | 84.87±26.20 | 80.34±21.84 | 71.28±18.40 | 65.30±15.26 | 59.38±13.68 | <0.001 |
| CO (L/min) | 5.41±1.35 | 5.79±1.46 | 5.82±1.44 | 5.99±1.28 | 6.08±1.28 | 0.001 |
| TPR (dyn.s.cm-5) | 1570.00±638.40 | 1506.37±585.03 | 1478.82±494.96 | 1449.89±445.65 | 1433.59±430.27 | 0.16 |
| PPGF (%) | 49.38±8.19 | 43.20±7.77 | 40.42±7.69 | 36.80±6.68 | 36.51±7.25 | <0.001 |
| Estimated vascular age (years) | 55.45±8.00 | 62.05± 9.25 | 65.40±10.07 | 69.80±9.47 | 70.15±9.34 | <0.001 |
Prefix b, brachial; SBP, systolic blood pressure; DBP, diastolic blood pressure; MAP, mean arterial pressure; SV, stroke volume; CO, cardiac output; TPR, total peripheral resistance; PPGF, PPG fitness index.