A latest examine discovered adjustments in blood stream within the retina might clarify why some migraine sufferers expertise visible signs. The findings might signify a long-sought observable marker for migraines that medical doctors can use to help within the scientific therapy of the situation.
Whereas sufferers with migraines usually expertise signs reminiscent of ache across the eye, sensitivity to gentle, blind spots and visible blurring, the mechanisms behind these signs haven’t been nicely understood. UCLA Well being researchers used a non-invasive imaging approach, often known as optical coherence tomography angiography, or OCTA, to visualise adjustments within the retinal blood vessels of migraine sufferers each throughout and between migraine assaults. The imaging was carried out on 37 migraine sufferers with aura signs, 30 migraine sufferers with out aura signs and 20 wholesome sufferers for a management group.
Researchers discovered that blood stream decreases within the retina throughout migraine assaults for each migraine sufferers with and with out aura signs. Nonetheless, sufferers with aura signs had been discovered to have decrease blood stream in sure areas of the retina in comparison with sufferers with out aura signs. Moreover, asymmetrical blood stream within the retinas was additionally correlated with which facet of the top that migraine sufferers skilled ache.
The findings might point out why some sufferers expertise visible signs and should signify a biomarker for migraine assaults.
The paper is revealed in Headache: The Journal of Head and Face Ache.
The examine was led by former UCLA Division of Neurology Medical Teacher Dr. Katherine Podraza (now of the Hartford Healthcare Headache Heart) and coauthored by former UCLA Well being analysis scientist Nitin Bangera, UCLA Goldberg Migraine Program scientific analysis coordinator Akira Feliz and UCLA Goldberg Migraine Program Director Dr. Andrew Charles of the UCLA Division of Neurology.
Extra data:
Katherine Podraza et al, Discount in retinal microvascular perfusion throughout migraine assaults, Headache: The Journal of Head and Face Ache (2023). DOI: 10.1111/head.14654
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Blood stream adjustments within the eyes might affect visible signs of migraines (2024, January 7)
retrieved 7 January 2024
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