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光学相干断层扫描血管造影在黄斑新生血管检测中的应用—— 面与横截面视图的比较。

Optical coherence tomography angiography for the detection of macular neovascularization-comparison of en face versus cross-sectional view.

机构信息

Cologne Image Reading Center, Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany.

Department of Ophthalmology, Helios University Hospital Wuppertal, University of Witten-Herdecke, Wuppertal, Germany.

出版信息

Eye (Lond). 2023 Feb;37(2):256-262. doi: 10.1038/s41433-021-01892-5. Epub 2022 Jan 6.

DOI:10.1038/s41433-021-01892-5
PMID:34992250
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9873677/
Abstract

PURPOSE

To evaluate sensitivity and specificity of swept source-optical coherence tomography angiography (SS-OCTA) en face images versus cross-sectional OCTA versus a combination of both for the detection of macular neovascularization (MNV).

DESIGN

Prospective cohort study.

PARTICIPANTS

Consecutive patients with various chorioretinal diseases and subretinal hyperreflective material (SHRM) and/or pigment epithelial detachment (PED) on OCT possibly corresponding to MNV in at least one eye.

METHODS

102 eyes of 63 patients with fluorescein angiography (FA), OCT and SS-OCTA performed on the same day were included. FA images, the outer retina to choriocapillaris (ORCC) OCTA en face slab, a manually modified en face slab ('custom slab'), cross-sectional OCTA and a combination of OCTA en face and cross-section were evaluated for presence of MNV.

MAIN OUTCOME MEASURES

Sensitivity and specificity for MNV detection, as well as the concordance was calculated using FA as the reference.

RESULTS

OCTA en face imaging alone yielded a sensitivity of 46.3% (automated)/78.1% (custom) and specificity of 93.4% (automated)/88.5% (custom) for MNV detection. Cross-sectional OCTA (combination with en face) resulted in a sensitivity of 85.4% (82.9%) and specificity of 82.0% (85.3%). Concordance to FA was moderate for automated en face OCTA (κ = 0.43), and substantial for custom en face OCTA (κ = 0.67), cross-sectional OCTA (κ = 0.66) and the combination (κ = 0.68).

CONCLUSION

Segmentation errors result in decreased sensitivity for MNV detection on automatically generated OCTA en face images. Cross-sectional OCTA allows detection of MNV without manual modification of segmentation lines and should be used for evaluation of MNV on OCTA.

摘要

目的

评估扫频源光学相干断层扫描血管造影(SS-OCTA)的 3 个不同图像(包括: ① 横断面 OCTA,② 自动生成的 OCTA 图像,③ 手动改良的 OCTA 图像)在检测黄斑新生血管(MNV)时的敏感性和特异性,并比较它们与单纯横断面 OCTA 的诊断效果。

设计

前瞻性队列研究。

参与者

连续纳入患有各种脉络膜视网膜疾病、视网膜下高反射物质(SHRM)和/或色素上皮脱离(PED)的患者,这些患者的 OCT 图像至少一眼可能对应 MNV。

方法

纳入 63 例患者的 102 只眼,这些患者均于同 1 天进行了荧光素血管造影(FA)、OCT 和 SS-OCTA 检查。分析 FA 图像、外核层到脉络膜毛细血管(ORCC)OCTA 横断面图像、自动生成的 OCTA 图像、手动改良的 OCTA 图像和 OCTA 横断面与 OCTA 图像的联合应用对于检测 MNV 的效果。

主要观察指标

采用 FA 作为参考标准,计算每种方法检测 MNV 的敏感性、特异性和一致性。

结果

单纯使用 OCTA 横断面成像检测 MNV 的敏感性为 85.4%(82.9%),特异性为 82.0%(85.3%);单纯使用 OCTA 自动生成的图像检测 MNV 的敏感性为 46.3%(自动)/78.1%(手动),特异性为 93.4%(自动)/88.5%(手动);联合使用 OCTA 横断面与 OCTA 自动生成的图像检测 MNV 的敏感性为 85.4%(82.9%),特异性为 82.0%(85.3%)。FA 检查结果为检测 MNV 的金标准,自动生成的 OCTA 图像的一致性中等(κ=0.43),手动改良的 OCTA 图像的一致性较强(κ=0.67),OCTA 横断面的一致性较强(κ=0.66),联合使用 OCTA 横断面与 OCTA 自动生成的图像的一致性较强(κ=0.68)。

结论

由于自动生成的 OCTA 图像存在分割错误,因此其检测 MNV 的敏感性降低。OCTA 横断面成像无需手动修改分割线,能够用于检测 MNV,应作为 OCTA 检测 MNV 的首选方法。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f96/9873677/8240052dc41d/41433_2021_1892_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f96/9873677/ac26b28cf202/41433_2021_1892_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f96/9873677/74a094a871b7/41433_2021_1892_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f96/9873677/8240052dc41d/41433_2021_1892_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f96/9873677/ac26b28cf202/41433_2021_1892_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f96/9873677/74a094a871b7/41433_2021_1892_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f96/9873677/8240052dc41d/41433_2021_1892_Fig3_HTML.jpg

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