Key result
Doppler parameters of ocular arteries were significantly higher in young hypertensive patients compared to age- and gender-matched healthy controls.
Why the study?
Color Doppler imaging can evaluate ocular blood flow characteristics, but its parameters needed evaluation in young hypertensive subjects.
Do color Doppler imaging parameters of orbital arteries differ between young hypertensive patients and healthy controls?
Case-Control (n=150)
Do color Doppler imaging parameters of orbital arteries differ between young hypertensive patients and healthy controls?
Color Doppler imaging reveals significantly higher orbital artery flow parameters in young hypertensive patients compared to healthy controls, suggesting altered ocular hemodynamics.
May signal early ocular vascular changes in young hypertensives; leaves open whether CDI aids risk stratification or monitoring.
Color Doppler imaging (CDI) is an established method for investigating ocular blood flow characteristics, and several blood flow parameters can be obtained from the velocity wave. This study evaluated CDI parameters in hypertensive subjects by measuring flow velocities, resistive index, and the pulsatility index of ocular arteries. One hundred young hypertensive patients and 50 age- and gender-matched healthy controls were recruited for the study. CDI parameters of the ophthalmic artery, central retinal artery, and posterior ciliary artery were measured in all subjects. Doppler index cutoff points were calculated using area under the curve with 95% confidence intervals. Results showed that Doppler parameters were significantly higher in subjects diagnosed with hypertension in the young compared to controls.
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Reddy Ravikanth (2019) conducted a case-control in Hypertension (n=150). Hypertension vs. Healthy controls was evaluated on Color Doppler imaging parameters (flow velocities, resistive index, and pulsatility index of ocular arteries). Doppler parameters of ocular arteries were significantly higher in young hypertensive patients compared to age- and gender-matched healthy controls.
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