Table 4.
Correlations of carotid IMT and stiffness parameters with blood pressures and cardiac function
| Parameters |
PWV |
DC |
AIx |
α | β |
IMT |
TPR |
|---|---|---|---|---|---|---|---|
| (m/s) | (%) | (μm) | (dynes/second/cm -5 ) | ||||
|
LA (mm) |
r = 0.1220 |
r = −0.0655 |
r = 0.2211 |
r = 0.0680 |
r = 0.0714 |
r = 0.0342 |
r = −0.1696 |
| ns |
ns |
ns |
ns |
ns |
ns |
ns |
|
|
RWT |
r = 0.4569 |
r = −0.2445 |
r = −0.0804 |
r = 0.4652 |
r = 0.4652 |
r = 0.0451 |
r = 0.0978 |
| p = 0.0002 |
ns |
ns |
p = 0.0002 |
p = 0.0002 |
ns |
ns |
|
|
E/Septal e |
r = 0.0015 |
r = −0.0349 |
r = 0.4211 |
r = −0.0982 |
r = −0.0984 |
r = 0.2279 |
r = 0.1162 |
| ns |
ns |
p = 0.0026 |
ns |
ns |
ns |
ns |
|
|
E/Lateral e |
r = 0.0555 |
r = −0.1200 |
r = 0.4439 |
r = −0.0730 |
r = −0.0733 |
r = 0.1625 |
r = 0.1814 |
| ns |
ns |
p = 0.0012 |
ns |
ns |
ns |
ns |
|
|
Septal e (cm/s) |
r = −0.1814 |
r = 0.0906 |
r = −0.4401 |
r = −0.0510 |
r = −0.0472 |
r = −0.2588 |
r = −0.3995 |
| ns |
ns |
p = 0.0014 |
ns |
ns |
p = 0.0478 |
p = 0.0017 |
|
|
Lateral e (cm/s) |
r = −0.3768 |
r = 0.3135 |
r = 0.3440 |
r = −0.2140 |
r = −0.2099 |
r = −0.1262 |
r = −0.4338 |
| p = 0.0028 |
p = 0.0031 |
p = 0.0135 |
ns |
ns |
ns |
p = 0.0005 |
|
|
Septal e/a |
r = −0.3908 |
r = 0.2327 |
r = −0.2229 |
r = −0.2857 |
r = −0.2808 |
r = −0.2371 |
r = −0.2292 |
| p = 0.0022 |
ns |
ns |
p = 0.0283 |
p = 0.02312 |
ns |
ns |
|
|
Lateral e/a |
r = −0.4665 |
r = 0.3135 |
r = −0.1709 |
r = −0.2140 |
r = −0.3946 |
r = −0.0944 |
r = −0.1471 |
| p = 0.0002 |
p = 0.0139 |
ns |
ns |
p = 0.0018 |
ns |
ns |
|
|
LVMI (g/m
2
) |
r = 0.0005 |
r = −0.0553 |
r = 0.2383 |
r = −0.0613 |
r = −0.0609 |
r = 0.0895 |
r = 0.0645 |
| ns |
ns |
ns |
ns |
ns |
ns |
ns |
|
|
CI (L/min/m
2
) |
r = 0.0355 |
r = −0.8839 |
r = −0.2129 |
r = 0.0357 |
r = 0.0343 |
r = 0.0186 |
r = −0.5894 |
| ns |
ns |
ns |
ns |
ns |
ns |
p < 0.0001 |
|
|
SBP (mmHg) |
r = 0.5552 |
r = −0.4973 |
r = 0.5749 |
r = 0.2855 |
r = 0.2847 |
r = 0.3680 |
r = 0.4462 |
| p < 0.0001 |
p < 0.0001 |
p < 0.0001 |
p = 0.0257 |
p = 0.0261 |
p = 0.038 |
p = 0.0004 |
|
|
DBP (mmHg) |
r = 0.3731 |
r = −0.2939 |
r = 0.6696 |
r = 0.0545 |
r = 0.0482 |
r = 0.3833 |
r = 0.4865 |
| p = 0.0031 |
p = 0.0215 |
p < 0.0001 |
ns |
ns |
p = 0.0025 |
p < 0.0001 |
|
|
PP (mmHg) |
r = 0.5817 |
r = −0.5759 |
r = 0.1817 |
r = 0.4863 |
r = 0.4932 |
r = 0.1953 |
r = 0.2116 |
| p < 0.0001 |
p < 0.0001 |
ns |
p < 0.0001 |
p < 0.0001 |
ns |
ns |
|
| MAP (mmHg) | r = 0.4631 |
r = −0.3906 |
r = 0.6523 |
r = 0.1558 |
r = 0.1518 |
r = 0.3891 |
r = 0.4842 |
| p = 0.0002 | p = 0.0019 | p < 0.0001 | ns | ns | p = 0.0021 | p < 0.0001 |
Notes: PWV, pulse-wave velocity; DC, distensibility coefficient; AIx, augmentation index; IMT, intima-media thickness; TPR, total peripheral resistance; LA, left atrium; E, transmitral flow velocity during early diastole; e and a, mitral annular tissue velocities during early and late diastole; LVMI, left ventricular mass index; CI, cardiac index; SBP, DBP and MAP, systolic, diastolic and mean arterial blood pressure.