Intraobserver ophthalmic artery blood-flow measurements were highly repeatable in open-angle glaucoma.
Repeatability of retrobulbar blood flow velocity measured using color Doppler imaging in the Indianapolis Glaucoma Progression Study.
Rita Ehrlich … Yochai Z Shoshani
Journal of glaucoma · 2011
Purpose
Determine the repeatability of color Doppler imaging (color Doppler imaging) measurements in patients with open-angle glaucoma (open-angle glaucoma).
Methods
We performed a cross-sectional, observational study of open-angle glaucoma patients participating in the Indianapolis Glaucoma Progression Study.
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Results
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same examiner got more-consistent blood-flow readings in the eye's main artery
More results
One hundred and sixteen patients with open-angle glaucoma [mean age 65.9 y (SD 10.9 y), 60% female] were examined in both baseline visits.
In the central retinal, the intraobserver intraclass correlation coefficient for the PSV and resistance index were both above 0.8, whereas the EDV was 0.64.
More results
The intraobserver intraclass correlation coefficient in the N/TPCA for the PSV, EDV, and resistance index ranged from 0.71 to 0.88.
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Conclusion · 1 of 2
Blood flow velocities and calculated vascular resistance of the ophthalmic, central retinal, and PCAs conducted within 2 weeks in patients with open-angle glaucoma are repeatable.
Conclusion · 2 of 2
Intraobserver color Doppler imaging measurements were found more reproducible than interobserver color Doppler imaging analysis.
