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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">ophthalmology</journal-id><journal-title-group><journal-title xml:lang="ru">Офтальмология</journal-title><trans-title-group xml:lang="en"><trans-title>Ophthalmology in Russia</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1816-5095</issn><issn pub-type="epub">2500-0845</issn><publisher><publisher-name>Ophthalmology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18008/1816-5095-2025-2-354-359</article-id><article-id custom-type="elpub" pub-id-type="custom">ophthalmology-2663</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Изменения микроциркуляции диска зрительного нерва у пациентов с глаукомой нормального давления и при гипертензивной форме первичной открытоугольной глаукомы</article-title><trans-title-group xml:lang="en"><trans-title>The Microcirculatiory Changes of the Optic Nerve  Disc in Patients with Normal Tension Glaucoma in Comparison High Tension Glaucoma</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8495-0163</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Загидуллина</surname><given-names>А. Ш.</given-names></name><name name-style="western" xml:lang="en"><surname>Zagidullina</surname><given-names>A. Sh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Загидуллина Айгуль Шамилевна доктор медицинских наук, доцент кафедры офтальмологии</p><p>ул. Ленина, 3, Уфа, 450008</p></bio><bio xml:lang="en"><p>Zagidullina Aygul Sh. MD, Associate Professor, Professor of the Ophthalmology Department </p><p>Lenina str., 3, Ufa, 450008</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-6442-0676</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Арсланова</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Arslanova</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Арсланова Айгуль Ирековна аспирант кафедры офтальмологии; врач‑офтальмолог</p><p>ул. Ленина, 3, Уфа, 450008</p><p>ул. 40 лет Октября, 1, Уфа, 450112</p></bio><bio xml:lang="en"><p>Arslanova Aygul I. postgraduate</p><p>Lenina str., 3, Ufa, 450008</p><p>40 let Oktyabrya str., Ufa, 450112</p></bio><email xlink:type="simple">aygul90@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1610-108X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Галимова</surname><given-names>В. У.</given-names></name><name name-style="western" xml:lang="en"><surname>Galimova</surname><given-names>V. U.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Галимова Венера Узбековна доктор медицинских наук, профессор кафедры офтальмологии</p><p>ул. Ленина, 3, Уфа, 450008</p></bio><bio xml:lang="en"><p>Galimova Venera U. MD, Professor of the Ophthalmology Department </p><p>Lenina str., 3, Ufa, 450008</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7559-3339</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Александров</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Aleksandrov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александров Аркадий Андреевич кандидат медицинских наук, заведующий диспансерно‑амбулаторным отделением</p><p>ул. 40 лет Октября, 1, Уфа, 450112</p></bio><bio xml:lang="en"><p>Aleksandrov Arkady A. PhD, head of Microsurgery Department </p><p>40 let Oktyabrya str., Ufa, 450112</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Башкирский государственный медицинский университет»  &#13;
Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bashkir State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Башкирский государственный медицинский университет»  &#13;
Министерства здравоохранения Российской Федерации; ГБУЗ Республики Башкортостан «Городская клиническая больница № 8»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bashkir State Medical University; City Clinical Hospital No. 8</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ГБУЗ Республики Башкортостан «Городская клиническая больница № 8»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>City Clinical Hospital No. 8</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>27</day><month>06</month><year>2025</year></pub-date><volume>22</volume><issue>2</issue><fpage>354</fpage><lpage>359</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Загидуллина А.Ш., Арсланова А.И., Галимова В.У., Александров А.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Загидуллина А.Ш., Арсланова А.И., Галимова В.У., Александров А.А.</copyright-holder><copyright-holder xml:lang="en">Zagidullina A.S., Arslanova A.I., Galimova V.U., Aleksandrov A.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.ophthalmojournal.com/opht/article/view/2663">https://www.ophthalmojournal.com/opht/article/view/2663</self-uri><abstract><p>Глаукома нормального (низкого) давления (ГНД) — одна из труднодиагностируемых клинических форм первичной открытоугольной глаукомы (ПОУГ). Одним из важных звеньев патогенеза данной патологии является нарушение кровоснабжения зрительного нерва и сетчатки.</p><p>Целью работы явилось изучение с помощью оптической когерентной томографии с ангиографией (ОКТА) показателей сосудистой плотности диска зрительного нерва (ДЗН) у пациентов с впервые выявленной ГНД и гипертензивной формой ПОУГ.</p><sec><title>Пациенты и методы</title><p>Пациенты и методы. Представлены данные 65 больных (65 глаз) с впервые выявленной ГНД, 88 пациентов (88 глаз) с гипертензивной формой ПОУГ и 50 соматически здоровых человек без глаукомы (50 глаз) в возрасте от 45 до 65 лет диспансерно-амбулаторного отделения микрохирургии глаза ГБУЗ РБ ГКБ № 8 г. Уфы. Всем исследуемым проведено офтальмологическое обследование, включающее ОКТА диска зрительного нерва с измерением сосудистой плотности с помощью протокола Angio Disc 4,5×4,5 мм на аппарате Optovue XR Avanti с функцией AngioVue (Optovue, США). По результатам исследования у пациентов с начальной стадией ГНД выявлено снижение показателей сосудистой плотности ДЗН в сравнении со здоровыми лицами. В развитой стадии ГНД плотность микроциркуляции перипапиллярной области была снижена во всех исследуемых секторах ДЗН и коррелировала с толщиной СНВС в верхнем секторе (r = 0,404, p &lt; 0,05). У пациентов с ПОУГ по сравнению с ГНД наблюдались более выраженные изменения микроциркуляции ДЗН как в начальной, так и в развитой стадии заболевания. Плотность микроциркуляции перипапиллярной области коррелировала с толщиной сетчатки в верхнем секторе на ранней стадии (r = 0,324, p &lt; 0,05), в нижнем секторе — на I и II стадиях заболевания (r = 0,322, p &lt; 0,05 и r = 0,316, p &lt; 0,05 соответственно).</p></sec><sec><title>Заключение</title><p>Заключение. Применение ОКТА ДЗН позволяет выявить микроциркуляторные изменения как у пациентов с гипертензивной формой первичной открытоугольной глаукомы, так и с глаукомой нормального давления.</p></sec></abstract><trans-abstract xml:lang="en"><p>Normal tension glaucoma (NTG) is one of the difficult-to-diagnose clinical forms of primary open-angle glaucoma (POAG). One of the important links in the pathogenesis of this pathology is a violation of the blood supply to the optic nerve and retina.</p><sec><title>Purpose</title><p>Purpose. Comparitive study using optical coherence tomography with angiography (OCTA), indicators of vessel density of the optic nerve head (ONH) in patients with newly diagnosed NTG and hypertensive form of POAG. The material was based on the data of 65 patients (65 eyes) with newly diagnosed NTG, 88 patients (88 eyes) with a hypertensive form of POAG and 50 healthy people without glaucoma (50 eyes) aged 45 to 65 years at the Eye Microsurgery Department in Hospital 8 (Ufa). All subjects underwent an ophthalmological examination, including OCTA of the optic nerve head with measurement of vessel density using the Angio Disc 4.5×4.5 mm protocol on the Optovue XR Avanti device with the AngioVue function (Optovue, USA). According to the results of the study, in patients with the initial stage of NTG, a decrease in the vessel density of the ONH was revealed in comparison with healthy individuals. In the advanced stage NTG the vessel density of the peripapillary region was reduced in all sectors of the ONH and correlated with the thickness of the RNFL in the upper sector (r = 0.404, p &lt; 0.05). In patients with POAG, compared with NTG, more pronounced changes in the microcirculation of the ONH were observed in both stages of the disease. The vessel density of the peripapillary region correlated with the thickness of the retina in the upper sector at the early stage (r = 0.324, p &lt; 0.05), in the lower sector — in stages I and II of the disease (r = 0.322, p &lt; 0.05 and r = 0.316, p &lt; 0.05, respectively).</p></sec><sec><title>Conclusion</title><p>Conclusion. The OCTA of the ONH makes possible to detect microcirculatory changes at an early stage of the disease in patients with the hypertensive form of primary open-angle glaucoma and in patients with normal tension glaucoma.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>глаукома нормального (низкого) давления</kwd><kwd>оптическая когерентная томография с ангиографией</kwd><kwd>плотность микроциркулярции</kwd><kwd>первичная открытоугольная глаукома</kwd></kwd-group><kwd-group xml:lang="en"><kwd>normal tension glaucoma</kwd><kwd>optical coherence tomography angiography</kwd><kwd>vessel density</kwd><kwd>primary open-angle glaucoma</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Jensen PK, Bek T. Eye Microcirculation. In: Clinically Applied Microcirculation Research. Routledge; 2019:191–200.</mixed-citation><mixed-citation xml:lang="en">Jensen PK, Bek T. Eye Microcirculation. In: Clinically Applied Microcirculation Research. Routledge; 2019:191–200.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Tripathi S, Ariga M, Srinivasan MM. Ocular blood flow in glaucoma. TNOA J Ophthal Sci Res. 2020;58(3):180. doi: 10.4103/tjosr.tjosr_81_20.</mixed-citation><mixed-citation xml:lang="en">Tripathi S, Ariga M, Srinivasan MM. Ocular blood flow in glaucoma. TNOA J Ophthal Sci Res. 2020;58(3):180. doi: 10.4103/tjosr.tjosr_81_20.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Bayraktar S, Ipek A, Takmaz T, Yildiz Tasci Y, Gezer MC. Ocular blood flow and choroidal thickness in ocular hypertension. Int Ophthalmol. 2022;1:1–2. doi: 10.1007/s10792‑021‑02123‑2.</mixed-citation><mixed-citation xml:lang="en">Bayraktar S, Ipek A, Takmaz T, Yildiz Tasci Y, Gezer MC. Ocular blood flow and choroidal thickness in ocular hypertension. Int Ophthalmol. 2022;1:1–2. doi: 10.1007/s10792‑021‑02123‑2.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Tiwari US, Singh M, Aishwarya A, Gupta A, Chhabra K. Comparison of flow velocity in ophthalmic artery between glaucomatous and normal subjects. Roman J Ophthalmol. 2019;63(4):346. doi: 10.22336/rjo.2019.54</mixed-citation><mixed-citation xml:lang="en">Tiwari US, Singh M, Aishwarya A, Gupta A, Chhabra K. Comparison of flow velocity in ophthalmic artery between glaucomatous and normal subjects. Roman J Ophthalmol. 2019;63(4):346. doi: 10.22336/rjo.2019.54</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Aghsaei Fard M, Ritch R. Optical coherence tomography angiography in glaucoma. Ann Transl Med. 2020 Sep;8(18):1204. doi: 10.21037/atm‑20‑2828.</mixed-citation><mixed-citation xml:lang="en">Aghsaei Fard M, Ritch R. Optical coherence tomography angiography in glaucoma. Ann Transl Med. 2020 Sep;8(18):1204. doi: 10.21037/atm‑20‑2828.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Scripsema NK, Garcia PM, Bavier RD, Chui TYP, Krawitz BD, Mo S, Agemy SA, Xu L, Lin YB, Panarelli JF, Sidoti PA, Tsai JC, Rosen RB; Optical Coherence Tomography Angiography Analysis of Perfused Peripapillary Capillaries in Primary Open‑Angle Glaucoma and Normal‑Tension Glaucoma. Invest. Ophthalmol. Vis. Sci. 2016;57(9):OCT611–OCT620. doi: 10.1167/iovs.15‑18945.</mixed-citation><mixed-citation xml:lang="en">Scripsema NK, Garcia PM, Bavier RD, Chui TYP, Krawitz BD, Mo S, Agemy SA, Xu L, Lin YB, Panarelli JF, Sidoti PA, Tsai JC, Rosen RB; Optical Coherence Tomography Angiography Analysis of Perfused Peripapillary Capillaries in Primary Open‑Angle Glaucoma and Normal‑Tension Glaucoma. Invest. Ophthalmol. Vis. Sci. 2016;57(9):OCT611–OCT620. doi: 10.1167/iovs.15‑18945.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Xu, H, Zhai, R, Zong, Y. Comparison of retinal microvascular changes in eyes with high‑tension glaucoma or normal‑tension glaucoma: a quantitative optic coherence tomography angiographic study. Graefes Arch Clin Exp Ophthalmol 2018;256:z179– 1186. doi: 10.1007/s00417‑018‑3930‑z.</mixed-citation><mixed-citation xml:lang="en">Xu, H, Zhai, R, Zong, Y. Comparison of retinal microvascular changes in eyes with high‑tension glaucoma or normal‑tension glaucoma: a quantitative optic coherence tomography angiographic study. Graefes Arch Clin Exp Ophthalmol 2018;256:z179– 1186. doi: 10.1007/s00417‑018‑3930‑z.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Bojikian KD, Chen CL, Wen JC Optic disc perfusion in primary open angle and normal tension glaucoma eyes using optical coherence tomography‑based microangiography. PLoS One. 2016;11:e0154691.</mixed-citation><mixed-citation xml:lang="en">Bojikian KD, Chen CL, Wen JC Optic disc perfusion in primary open angle and normal tension glaucoma eyes using optical coherence tomography‑based microangiography. PLoS One. 2016;11:e0154691.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Yarmohammadi A, Zangwill LM, Diniz‑Filho A, Suh MH, Manalastas PI, Fatehee N, Yousefi S, Belghith A, Saunders LJ, Medeiros FA, Huang D, Weinreb RN. Optical Coherence Tomography Angiography Vessel Density in Healthy, Glaucoma Suspect, and Glaucoma Eyes. Invest Ophthalmol Vis Sci. 2016 Jul 1;57(9):OCT451– 459. doi: 10.1167/iovs.15‑18944.</mixed-citation><mixed-citation xml:lang="en">Yarmohammadi A, Zangwill LM, Diniz‑Filho A, Suh MH, Manalastas PI, Fatehee N, Yousefi S, Belghith A, Saunders LJ, Medeiros FA, Huang D, Weinreb RN. Optical Coherence Tomography Angiography Vessel Density in Healthy, Glaucoma Suspect, and Glaucoma Eyes. Invest Ophthalmol Vis Sci. 2016 Jul 1;57(9):OCT451– 459. doi: 10.1167/iovs.15‑18944.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Chen HS, Liu CH, Wu WC, Tseng HJ, Lee YS. Optical Coherence Tomography Angiography of the Superficial Microvasculature in the Macular and Peripapillary Areas in Glaucomatous and Healthy Eyes. Invest Ophthalmol Vis Sci. 2017 Jul 1;58(9):3637– 3645. doi: 10.1167/iovs.17‑21846.</mixed-citation><mixed-citation xml:lang="en">Chen HS, Liu CH, Wu WC, Tseng HJ, Lee YS. Optical Coherence Tomography Angiography of the Superficial Microvasculature in the Macular and Peripapillary Areas in Glaucomatous and Healthy Eyes. Invest Ophthalmol Vis Sci. 2017 Jul 1;58(9):3637– 3645. doi: 10.1167/iovs.17‑21846.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Lee EJ, Kim TW, Kim JA, Kim JA. Parapapillary deep‑layer microvasculature dropout in primary open‑angle glaucoma eyes with a parapapillary gamma‑zone. Invest Ophthalmol Vis Sci. 2017;58:5673e5680.</mixed-citation><mixed-citation xml:lang="en">Lee EJ, Kim TW, Kim JA, Kim JA. Parapapillary deep‑layer microvasculature dropout in primary open‑angle glaucoma eyes with a parapapillary gamma‑zone. Invest Ophthalmol Vis Sci. 2017;58:5673e5680.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Wu J, Moghimi S, Nishida T Association of macular OCT and OCTA parameters with visual acuity in glaucoma British Journal of Ophthalmology Published Online First: 09 September 2022. doi: 10.1136/bjo‑2022‑321460.</mixed-citation><mixed-citation xml:lang="en">Wu J, Moghimi S, Nishida T Association of macular OCT and OCTA parameters with visual acuity in glaucoma British Journal of Ophthalmology Published Online First: 09 September 2022. doi: 10.1136/bjo‑2022‑321460.</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Manalastas P.I.C., Zangwill LM, Daga FB, Christopher MA, Saunders LJ, Shoji T, Akagi T, Penteado RC, Yarmohammadi A, Suh MH, Medeiros FA, Weinreb RN. The Association Between Macula and ONH Optical Coherence Tomography Angiography (OCT‑A) Vessel Densities in Glaucoma, Glaucoma Suspect, and Healthy Eyes. J Glaucoma. 2018 Mar;27(3):227–232. doi: 10.1097/IJG.0000000000000862.</mixed-citation><mixed-citation xml:lang="en">Manalastas P.I.C., Zangwill LM, Daga FB, Christopher MA, Saunders LJ, Shoji T, Akagi T, Penteado RC, Yarmohammadi A, Suh MH, Medeiros FA, Weinreb RN. The Association Between Macula and ONH Optical Coherence Tomography Angiography (OCT‑A) Vessel Densities in Glaucoma, Glaucoma Suspect, and Healthy Eyes. J Glaucoma. 2018 Mar;27(3):227–232. doi: 10.1097/IJG.0000000000000862.</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Holló G. Relationship between optical coherence tomography sector peripapillary angioflow‑density and Octopus visual field cluster mean defect values. PLoS One. 2017 Feb 2;12(2):e0171541. doi: 10.1371/journal.pone.0171541.</mixed-citation><mixed-citation xml:lang="en">Holló G. Relationship between optical coherence tomography sector peripapillary angioflow‑density and Octopus visual field cluster mean defect values. PLoS One. 2017 Feb 2;12(2):e0171541. doi: 10.1371/journal.pone.0171541.</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Sakaguchi K, Higashide T, Udagawa S, Ohkubo S, Sugiyama K. Comparison of Sectoral Structure‑Function Relationships in Glaucoma: Vessel Density Versus Thickness in the Peripapillary Retinal Nerve Fiber Layer. Invest Ophthalmol Vis Sci. 2017 Oct 1;58(12):5251–5262. doi: 10.1167/iovs.17‑21955.</mixed-citation><mixed-citation xml:lang="en">Sakaguchi K, Higashide T, Udagawa S, Ohkubo S, Sugiyama K. Comparison of Sectoral Structure‑Function Relationships in Glaucoma: Vessel Density Versus Thickness in the Peripapillary Retinal Nerve Fiber Layer. Invest Ophthalmol Vis Sci. 2017 Oct 1;58(12):5251–5262. doi: 10.1167/iovs.17‑21955.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
