Research Article
Hemodynamic Correlates of Late Systolic Flow Velocity Augmentation in the Carotid Artery
Table 1
Carotid hemodynamic values (mean ± SEM).
| | Variable | Value |
| | Systolic blood pressure, mmHg | 116 ± 2 | | Diastolic blood pressure, mmHg | 73 ± 2 | | Heart rate, bpm | 60 ± 2 | | , cm/s | 108.4 ± 4.9 | | , cm/s | 45.1 ± 2.2 | | , cm/s | 24.0 ± 1.1 | | Flow augmentation index, % | 23.9 ± 1.8 | | , mmHg·m·sec−3 | 9.4 ± 0.8 | | , mmHg·m·sec−3 | 3.2 ± 0.5 | | Negative area, mmHg·m·sec−2 | −47.9 ± 12.9 | | WIA logreflection index, % | 0.67 ± 0.1 | | Pulse wave velocity, m/s | 4.2 ± 0.2 | | Pressure augmentation index, % | −17 ± 3 | | Forward wave pressure, mmHg | 41 ± 2 | | Backward wave pressure, mmHg | 16 ± 1 | | WSA reflection index, % | 39 ± 2 | | Pulsatility index | 2.1 ± 0.1 | | Shear rate, s−1 | 276.6 ± 12.9 | | Intima media thickness, mm | 0.44 ± 0.02 | | MCA pulsatility index | 0.55 ± 0.01 |
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CCA: common carotid artery; MCA: middle cerebral artery; WIA: wave intensity analysis; WSA: wave separation analysis.
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