Quantitative analysis of peripapillary capillary volume using dense B-scan OCT angiography in normal and diabetic retina.

IF 4.1 1区医学 Q1 OPHTHALMOLOGY

Eye and Vision Pub Date : 2024-09-01 DOI:10.1186/s40662-024-00402-4

Lingyan Zeng, Xin Liu, Shuyu Chen, Jin Ma

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引用次数: 0

Abstract

Background: The value of quantitatively analyzing peripapillary capillary volume (PPCV) distribution was explored in normal and diabetic retinopathy (DR) eyes using dense B-scan optical coherence tomography angiography (DB OCTA).

Methods: This was a cross-sectional observational study followed by prospective follow-up for those with DR, which enrolled 101 healthy subjects and 140 DR patients. Dense, automatic, real-time (DART) volume scans of DB OCTA were performed using a Spectralis HRA + OCT2. ImageJ and MATLAB were used to process and calculate PPCV distribution detected by DB OCTA.

Results: In normal subjects, PPCV distribution were significantly correlated with the age and quadrant location (all P < 0.001). The PPCV distribution in each quadrant was significantly lower in severe nonproliferative DR patients than in normal subjects in all age groups (all P < 0.05, t-test). Compared to normal subjects, the PPCV distribution improved significantly in the pan-retinal photocoagulation treatment and surgery groups (all P < 0.001). No significant variation was observed in the anti-VEGF treatment group and normal subjects (P > 0.05). The PPCV distribution is significantly correlated with post-treatment best-corrected visual acuity in both the pan-retinal photocoagulation treatment and surgery groups (all P < 0.003) but not in the anti-VEGF treatment group (P = 0.940).

Conclusions: Quantitative assessment of PPCV distribution using DB OCTA is valuable in prognosis evaluation of DR with pan-retinal photocoagulation and surgery.

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利用密集 B 扫描 OCT 血管造影术定量分析正常视网膜和糖尿病视网膜毛细血管周围的体积。

背景：使用密集 B 扫描光学相干断层血管成像（DB OCTA）定量分析正常眼和糖尿病视网膜病变（DR）眼毛细血管周围体积（PPCV）分布的价值：这是一项横断面观察研究，随后对 DR 患者进行前瞻性随访，共纳入 101 名健康受试者和 140 名 DR 患者。使用 Spectralis HRA + OCT2 对 DB OCTA 进行密集、自动、实时（DART）容积扫描。使用 ImageJ 和 MATLAB 处理和计算 DB OCTA 检测到的 PPCV 分布：在正常受试者中，PPCV 分布与年龄和象限位置显著相关（均为 P 0.05）。在泛视网膜光凝治疗组和手术组中，PPCV 分布与治疗后最佳矫正视力有明显相关性（均为 P 0.05）：使用 DB OCTA 对 PPCV 分布进行定量评估对使用泛视网膜光凝治疗和手术治疗 DR 的预后评估很有价值。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Eye and Vision OPHTHALMOLOGY-

CiteScore

8.60

自引率

2.40%

发文量

审稿时长

15 weeks

期刊介绍： Eye and Vision is an open access, peer-reviewed journal for ophthalmologists and visual science specialists. It welcomes research articles, reviews, methodologies, commentaries, case reports, perspectives and short reports encompassing all aspects of eye and vision. Topics of interest include but are not limited to: current developments of theoretical, experimental and clinical investigations in ophthalmology, optometry and vision science which focus on novel and high-impact findings on central issues pertaining to biology, pathophysiology and etiology of eye diseases as well as advances in diagnostic techniques, surgical treatment, instrument updates, the latest drug findings, results of clinical trials and research findings. It aims to provide ophthalmologists and visual science specialists with the latest developments in theoretical, experimental and clinical investigations in eye and vision.