QUANTITATIVE ANALYSIS OF THE DENSITY OF THE VASCULAR PATTERN OF THE MACULAR ZONE AFTER SURGERY OF RHEGMATOGENOUS RETINAL DETACHMENT BY THE METHOD OF MICROINVASIVE ULTRASONIC VITREECTOMY

Purpose: to quantify the vessel density of the superficial and deep plexuses of the macular zone using optical coherence tomography with angiography (OCTA) after surgical treatment of rhegmatogenous retinal detachment by microinvasive ultrasonic and pneumatic guillotine vitrectomy.Material and methods: this study was conducted on 54 patients with a diagnosis of rhegmatogenous retinal detachment (RRD) with an intact macula. Surgical treatment included ultrasonic (main group, n=28) and pneumatic (control group, n=26) 25G vitrectomy. In the preoperative and postoperative periods, all patients underwent a comprehensive ophthalmological examination, as well as OCTA up to 3 and up to 6 months after surgery.Results and discussion: in the studied groups, there was a statistically insignificant increase in the vessel density of the superficial and deep plexus of the macular zone up to 6 months after vitrectomy compared to up to 3 months (p≥0.05). There were no statistically significant differences in the intergroup comparison of ultrasonic and pneumatic guillotine vitrectomy (p≥0.05).Conclusions: the dynamics of the studied parameters of the vessel density of superficial and deep plexuses of the macular zonein the two study groups may indicate that microinvasive ultrasonic vitrectomy 25G does not have a specific effect on the microvasculature of the macular zone.

ultrasonic vitrectomy, pneumatic guillotine vitrectomy, rhegmatogenous retinal detachment, density of vascular pattern, OCT-angiography

1. Либман, Е.С. Слепота и инвалидность вследствие патологии органа зрения в России / Е.С. Либман, Е.В. Шахова // Вестник офтальмологии. - 2006. - №1. - С. 35-37

2. Аванесова, Т.А. Регматогенная отслойка сетчатки: современное состояние проблемы / Т.А. Аванесова // Офтальмология. - 2015. - Т. 12, №1. - С. 24-32

3. Чарльз, С. Микрохирургия стекловидного тела и сетчатки / С. Чарльз, Х. Кальсада, Б.Вуд: пер. с англ. /под ред. А.Н. Самойлова. - М.: МЕДпресс-информ, 2012. - 365с

4. Азнабаев, Б.М. Клинические результаты 117 операций, выполненных методом ультразвуковой витрэктомии 25 G / Б.М. Азнабаев, Т.И. Дибаев, Т.Р. Мухамадеев // Современные технологии в офтальмологии. - 2019. - Т. 26, №1. - С. 12-16

5. Азнабаев, Б.М., Мухамадеев, Т.Р., Дибаев, Т.И. Оптическая когерентная томография + ангиография в диагностике, терапии и хирургии глазных болезней. - М.: Август Борг, 2019. - 352 с

6. Азнабаев, Б.М. Оценка эффективности ультразвуковой витрэктомии 25G при хирургическом лечении различной витреоретинальной патологии / Б.М. Азнабаев, Т.И. Дибаев, Т.Р. Мухамадеев // Современные технологии в офтальмологии. - 2018. - №1. - С. 17-21

7. Twenty-five-gauge ultrasonic vitrectomy: experimental and clinical performance analysis / B.M. Aznabaev [et al.] // Retina. - 2020. - Vol. 40, №7. - P. 1443-1450

8. Perfomance analysis of a new hypersonic vitrectomy system / P.E. Stanga [et al.] // Plos One. - 2017. - Vol. 12, №6. - P. 1-15

9. A review of optical coherence tomography angiography (OCTA) / T.E. de Carlo [et al.] // International Journal of Retina and Vitreous. - 2015. - №1:5. - P. 1-15

10. Optical coherence tomography angiography / S.S. Gao [et al.] // Invest. Ophthalmol. Vis. Sci. - 2016. - Vol. 57, №9. - P. OCT27-36