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蔡司Cirrus和欧堡RTVue光学相干断层扫描血管造影系统的比较:一种定量和定性方法用于检查糖尿病视网膜病变中的三个毛细血管网络

Comparison of Zeiss Cirrus and Optovue RTVue OCT Angiography Systems: A Quantitative and Qualitative Approach Examining the Three Capillary Networks in Diabetic Retinopathy.

作者信息

Chung Christopher S, Nesper Peter L, Park Justin J, Fawzi Amani A

出版信息

Ophthalmic Surg Lasers Imaging Retina. 2018 Nov 1;49(11):e198-e205. doi: 10.3928/23258160-20181101-18.

Abstract

BACKGROUND AND OBJECTIVES

Construct a method for visualizing the middle capillary plexus (MCP) using Zeiss optical coherence tomography angiography (OCTA) and compare to established segmentation methods using the Optovue system.

PATIENTS AND METHODS

Twenty eyes with diabetic retinopathy were imaged. Visualization of the MCP, image artifacts, preservation of pathological changes, foveal avascular zone (FAZ) area, and vessel length density (VLD) were compared between devices.

RESULTS

The authors successfully segmented the superficial (SCP), MCP, and deep (DCP) capillary plexuses on both devices. More images artifacts were detected on Optovue. Microaneurysms and telangiectatic vessels were better visualized in the MCP on the Optovue. FAZ area showed a strong correlation between the two instruments (r= 0.666; P < .0001). The SCP had lower VLD compared to the MCP and DCP on both devices.

CONCLUSION

The authors provide an objective and consistent method for manual segmentation using Zeiss OCTA to visualize the three retinal capillary plexuses. [Ophthalmic Surg Lasers Imaging Retina. 2018;49:e198-e205.].

摘要

背景与目的

构建一种使用蔡司光学相干断层扫描血管造影(OCTA)可视化中间毛细血管丛(MCP)的方法,并与使用Optovue系统的既定分割方法进行比较。

患者与方法

对20只患有糖尿病视网膜病变的眼睛进行成像。比较两种设备在MCP可视化、图像伪影、病理变化保留、黄斑无血管区(FAZ)面积和血管长度密度(VLD)方面的情况。

结果

作者在两种设备上均成功分割出浅表毛细血管丛(SCP)、MCP和深层毛细血管丛(DCP)。在Optovue上检测到更多图像伪影。Optovue上MCP中的微动脉瘤和毛细血管扩张性血管可视化效果更好。两种仪器的FAZ面积显示出强烈相关性(r = 0.666;P <.0001)。在两种设备上,SCP的VLD均低于MCP和DCP。

结论

作者提供了一种客观且一致的方法,使用蔡司OCTA进行手动分割以可视化三个视网膜毛细血管丛。[《眼科手术、激光与视网膜成像》。2018;49:e198 - e205。]

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