{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T18:28:18Z","timestamp":1790792898688,"version":"4.1.0"},"reference-count":24,"publisher":"Media Sphere Publishing House","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rus. Ann. Ophthal."],"published-print":{"date-parts":[[2024,4,23]]},"abstract":"<jats:p>Purpose. This study analyzes the main changes in retinal microcirculation in patients with multiple sclerosis (MS) and their relationship with the type of disease course. Material and methods. 159 patients (318 eyes) were examined. The groups were formed according to the type of course and duration of MS: group 1 \u2014 37 patients (74 eyes; 23.27%) with relapsing-remitting MS (RRMS) less than 1 year; group 2 \u2014 47 patients (94 eyes; 29.56%) with RRMS from 1 year to 10 years; group 3 \u2014 44 patients (86 eyes; 27.05%) with RRMS &gt;10 years; group 4 \u2014 32 patients (64 eyes; 20.12%) with secondary progressive MS (SPMS). Subgroups A and B were allocated within each group depending on the absence or presence of optic neuritis (ON). Patients underwent standard ophthalmological examination, including optical coherence tomography angiography (OCTA). Results. A decrease in the vessel density (wiVD) and perfusion density (wiPD) in the macular and peripapillary regions was revealed, progressing with the duration of the disease and with its transition to the progressive type. The minimum values were observed in patients with SPMS (group 4), with the most pronounced in the subgroup with ON (wiVD = 16.06\u00b13.65 mm\/mm2, wiPD = 39.38\u00b19.46%, ppwiPD = 44.06\u00b13.09%, ppwiF = 0.41\u00b10.05). Conclusion. OCTA provides the ability to detect subclinical vascular changes and can be considered a comprehensive, reliable method for early diagnosis and monitoring of MS progression.<\/jats:p>","DOI":"10.17116\/oftalma202414002163","type":"journal-article","created":{"date-parts":[[2024,5,14]],"date-time":"2024-05-14T09:57:10Z","timestamp":1715680630000},"page":"63","source":"Crossref","is-referenced-by-count":2,"title":["Optical coherence tomography angiography in the diagnosis of multiple sclerosis"],"prefix":"10.17116","volume":"140","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6311-5452","authenticated-orcid":false,"given":"A.Zh.","family":"Fursova","sequence":"first","affiliation":[{"name":"Novosibirsk State Regional Hospital","place":["Novosibirsk, Russia"]},{"name":"Novosibirsk State Medical University","place":["Novosibirsk, 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