Table 4.
Estimated values of fixed effects on left ventricular and peripheral dP/dtmax according to a linear mixed model analysis
| LV dP/dtmax | Femoral dP/dtmax | Radial dP/dtmax | |
|---|---|---|---|
| Cardiac factors | |||
| Ees, mmHg ml−1 | 1674.7 (1394.9–1954.3)‡ | 326.2 (236.8–415.5)‡ | 382.9 (205.6–560.3)‡ |
| Ea, mmHg ml− 1 | 5.6 (− 116.3–127.5) | 59.9 (28.2–91.6)† | − 47.5 (− 113.2–18.1) |
| LV EDV, mL | 1.2 (0.4–2.0)* | 0.4 (0.2–0.7)† | 0.7 (0.2–1.2)† |
| Heart rate, bpm | 21.3 (17.7–24.9)‡ | 3.3 (2.1–4.5)‡ | 8.2 (6.1–10.3)‡ |
| Arterial factors | |||
| TVR, dyn cm s− 5 | − 0.1 (− 0.2 – − 0.1)‡ | −0.3 (− 0.4 – − 0.2)‡ | |
| Cart, ml mmHg− 1 | − 69.5 (− 89.7 – − 49.3)‡ | −90.9 (− 112.2 – − 69.6)‡ | |
| Preload-dependency | |||
| SVV, % | −7.46 (− 12.52 – − 2.40)† | −6.62 (− 8.07 – − 5.18)‡ | −8.42 (− 9.83 – − 7.01)‡ |
Estimates are presented as estimated values (95% confidence interval). Estimates reflect the average change in the dependent variable per unit increase of the fixed effect
LV left ventricle, Ees left ventricular end-systolic elastance, Ea effective arterial elastance, EDV end-diastolic volume, TVR total vascular resistance, Cart arterial compliance, SVV femoral pulse pressure-derived stroke volume variation, dP/dtmax peak rate of pressure
*P < 0.05; †P < 0.01; ‡P < 0.001