Peripapillary and subfoveal choroidal vascular index in patients with tension-type headache and migraine
Abstract
PURPOSE: This study aimed to evaluate the choroidal vascular characteristics of patients followed up with different headache diagnoses.
DESIGN: Prospective comparative study.
METHODS: This study included 21 patients with migraine with visual aura (MwA), 20 with migraine without aura, 29 patients experiencing episodic tension-type headache, and 30 healthy participants. The participants was performed refraction values, axial length, and intraocular pressure were examined. Choroidal thickness was determined in all participants with HD-line optical coherence tomography (OCT) in the subfoveal, nasal, and temporal quadrants 500 µm from the fovea. Using special image processing software, luminal area (LA), stromal area, total choroidal area, and choroidal vascular index (CVI) values were calculated in both macular and peripapillary regions. OCT was also used to perform peripapillary retinal nerve fiber layer (pRNFL) thickness and optic disc head measurements.
RESULTS: Spherical refraction, axial length, and intraocular pressure values did not significantly differ among the four groups with similar gender and age distributions ( P > 0.05). The LA values in both macular and peripapillary regions were found to be statistically significantly lower in the MwA group ( P = 0.007 and P = 0.005, respectively). There was no statistically significant difference among the groups in terms of the remaining choroidal area parameters or CVI values ( P > 0.05). The groups also did not show any…
How strong is the evidence?
Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 30 participants or records.
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