TABLE 3.
Non-invasive vascular measurements categorized by tertiles of the omega-3 index.
| Flow-Mediated Brachial Artery Vasodilation | Tertile I 3.7 ± 0.3 (n=21) |
Tertile II 4.5 ± 0.3 (n=21) |
Tertile III 6.8 ± 2.0 (n=21) |
P-value |
|---|---|---|---|---|
| Brachial FMD (%) | 6 ± 5 | 8 ± 3 | 8 ± 5 | .46 |
| Brachial Stimulus Ratio | 4 ± 2 | 5 ± 2 | 6 ± 3 | .13 |
| Vasoreactivity index | 1.5 ± 1.4 | 2.2 ± 1.9 | 1.6 ± 1.2 | .37 |
| Brachial Artery Baseline Diameter (cm) | 0.39 ± .06 | 0.37 ± .07 | 0.38 ± .05 | .66 |
| Brachial Artery Reactive Hyperemia Diameter (cm) | 0.41 ± 0.06 | 0.40 ± 0.07 | 0.40 ± 0.05 | .80 |
| Brachial Artery Baseline Velocity (m/sec) | 0.17 ± 0.06 | 0.15 ± 0.08 | 0.13 ± 0.04 | .26 |
| Brachial Artery Reactive Hyperemia Velocity (m/sec) | 0.7 ± 0.3 | 0.6 ± 0.2 | 0.7 ± 0.2 | .26 |
| Brachial Artery Baseline Flow (ml/min) | 119 ± 50 | 100 ± 67 | 87 ± 33 | .18 |
| Brachial Artery Reactive Hyperemia Flow (ml/min) | 556 ± 261 | 454 ± 208 | 548 ± 254 | .38 |
| Brachial Artery Baseline Shear Stress (dynes/cm2) | 12 ± 4 | 11 ± 7 | 10 ± 4 | .41 |
| Brachial Artery Reactive Hyperemia Shear Stress (dynes/cm2) | 51 ± 25 | 41 ± 16 | 48 ± 16 | .33 |
| Blood Pressure and Ankle-Brachial Indices | ||||
|
| ||||
| Systolic Blood Pressure (mm Hg) | 137 ± 20 | 132 ± 17 | 138 ± 21 | .53 |
| Diastolic Blood Pressure (mmHg) | 76 ± 12 | 77 ± 7 | 76 ± 7 | .97 |
| Index ABI | 0.65 ± 0.25 | 0.76 ± 0.11 | 0.67 ± 0.15 | .12 |
| Mean ABI | 0.75 ± 0.22 | 0.86 ± 0.11 | 0.74 ± 0.15 | .05 |
Values as “mean +/− SD” or “n (%)”. The omega-3 index is the sum of EPA+DHA in RBC membranes.