临床研究
ENGLISH ABSTRACT
超广角视网膜激光扫描成像系统在DR筛查中的应用评价
杨默迟
魏文斌
王倩
作者及单位信息
·
DOI: 10.3760/cma.j.cn115989-20220420-00173
Evaluation of the clinical application of ultra-widefield scanning laser ophthalmoscopy for screening diabetic retinopathy
Yang Mochi
Wei Wenbin
Wang Qian
Authors Info & Affiliations
Yang Mochi
Department of Ophthalmology, General Hospital of Ningxia Medical University, Yinchuan 750004, China
Yang Mochi is an on-the-job PhD candidate of Beijing Tongren Hospital, Capital Medical University
Wei Wenbin
Beijing Tongren Eye Center, Beijing Key Laboratory of Intraocular Tumor Diagnosis and Treatment, Beijing Ophthalmology & Visual Sciences Key Lab, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
Wang Qian
Beijing Tongren Eye Center, Beijing Key Laboratory of Intraocular Tumor Diagnosis and Treatment, Beijing Ophthalmology & Visual Sciences Key Lab, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
·
DOI: 10.3760/cma.j.cn115989-20220420-00173
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摘要

目的评价超广角视网膜激光扫描成像(UWFSLO)在糖尿病视网膜病变(DR)筛查中的应用价值。

方法采用横断面研究,选取2016年10—12月在河北省唐山市开滦康复医院行DR筛查的2型糖尿病患者1 288例2 304眼,收集患者一般信息,完成UWFSLO和45°水平两视野数字彩色眼底照相检查,比较DR的检出及分级水平。不同眼底检查对DR分级的一致性采用Cohen Kappa检验。

结果去除成像不清晰及缺失的图像,最终1 857眼纳入分析。彩色眼底照相、UWFSLO复合彩色图像及绿通道图像对DR的检出率分别为31.3%(581/1 857)、44.5%(826/1 857)和43.4%(807/1 857),差异有统计学意义( χ 2=85.547, P<0.001),其中UWFSLO复合彩色图像、绿通道图像对DR的检出率均高于彩色眼底照相,差异均有统计学意义(均 P<0.001)。45°水平两视野数字彩色眼底照相与UWFSLO复合彩色图像在DR检出分级之间的一致性一般,Kappa值为0.375( P<0.001),完全一致性为64.08%。UWFSLO绿通道图像与复合彩色图像对DR分级的一致性极好,Kappa值为0.953( P=0.008),完全一致性为98.17%。UWFSLO复合彩色图像对微动脉瘤(MA)、视网膜内微血管异常(IRMA)、视网膜新生血管(NV)病变的检出水平均低于绿通道图像,差异均有统计学意义( Z=-16.489、-4.198、-2.111,均 P<0.05)。

结论UWFSLO较45°水平两视野数字彩色眼底照相对DR的检出及分级评估水平更高,其中绿通道图像在MA、IRMA和小的NV病变检出上更为出色。在大规模人群DR的筛查及诊断中,UWFSLO具有较好的应用价值。

糖尿病;糖尿病视网膜病变;大规模筛查;超广角视网膜激光扫描成像;两视野数字彩色眼底照相
ABSTRACT

ObjectiveTo evaluate the value of ultra-widefield scanning laser ophthalmoscopy (UWFSLO) for screening diabetic retinopathy (DR).

MethodsA cross-sectional study was conducted.A total of 1 288 patients (2 304 eyes) with type 2 diabetes who underwent the screening of DR were selected in Kailuan Rehabilitation Hospital in Tangshan City, Hebei Province from October 2016 to December 2016.The general information and medical records were collected.Patients completed fundus inspection by both UWFSLO and two-field 45° horizontal digital color fundus photography.The effective retinal images of the two methods were analyzed and the detection and grading of DR were compared between the two methods.This study adhered to the Declaration of Helsinki.The study protocol was approved by the Ethics Committee of Kailuan (Group) Co., Ltd.Hospital (No.2006-5).Written informed consent was obtained from each subject.

ResultsAfter excluding the unclear and missing images, 1 857 eyes were finally included in this study.The detection rates of DR by color fundus photo, UWFSLO pseudocolor image and green channel image were 31.3%(581/1 857), 44.5%(826/1 857), and 43.4%(807/1 857), respectively, with a statistically significant difference ( χ 2=85.547, P<0.001).The detection rates of DR by UWFSLO pseudocolor image and green channel image were higher than that by color fundus photo, and the differences were statistically significant (both at P<0.001).The agreement between UWFSLO and two-field 45° horizontal digital color fundus photography for grading DR severity was moderate with a Kappa value of 0.375 ( P<0.001) and a complete agreement of 64.08%.The UWFSLO green channel image and pseudocolor images had excellent consistency for grading DR severity with a Kappa value of 0.953( P=0.008) and complete agreement of 98.17%.The detection rates of microaneurysm (MA), intraretinal microvascular abnormalitie (IRMA) and neovascularization (NV) by UWFSLO pseudocolor images were lower than that by green channel images, showing statistically significant differences ( Z=-16.489, -4.198, -2.111; all at P<0.05).

ConclusionsUWFSLO has better detection and grading of DR than two-field 45° horizontal digital color fundus photography, and green channel images are better at detecting MA, IRMA, and small NV lesions.UWFSLO has good application value in the screening and diagnosis of DR in large populations.

Diabetes mellitus;Diabetic retinopathy;Mass screening;Ultra-widefield scanning laser ophthalmoscopy;Two-field digital color fundus photography
Wei Wenbin, Email: mocdef.3ab61nibnewiew_rtiew
引用本文

杨默迟,魏文斌,王倩. 超广角视网膜激光扫描成像系统在DR筛查中的应用评价[J]. 中华实验眼科杂志,2024,42(08):722-728.

DOI:10.3760/cma.j.cn115989-20220420-00173

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评价本文
*以上评分为匿名评价
糖尿病视网膜病变(diabetic retinopathy,DR)是糖尿病常见的微血管并发症,是目前引起工作年龄人群盲的首要原因,对个人及社会经济造成严重威胁 [ 1 ]。既往研究认为,DR对视力威胁严重的潜在病变主要发生在视网膜的后极和赤道之间,而近年大量研究发现糖尿病患者周边视网膜的病变对病情的严重程度及进展影响重大 [ 2 ],因此关注点也由中央转向了周边视网膜。超广角视网膜激光扫描成像系统(ultra-widefield scanning laser ophthalmoscopy,UWFSLO)可以1次获得200°超广角眼底图像,覆盖约80%的视网膜范围 [ 3 ],可以更方便了解不容易观察到的视网膜周边,并有免扩瞳、安全、非接触等优势,快速提供超广角的视网膜图像,很大程度上方便了实际工作。ETDRS-7视野视网膜立体拼图图像可以观察到75°视网膜范围(约占视网膜表面的34%)病变的位置及程度,对后极部及周边部视网膜的检查价值已得到认可,是评估DR的金标准。但是其需要受过培训的专业技术人员操作,不仅需要扩瞳以及被检查者良好的配合度,而且需要花费相当的时间完成拼图。在不同视野45°非扩瞳数字彩色眼底照相检查对DR诊断的敏感性和特异性研究中已证明,两视野彩色眼底照相与ETDRS-7视野立体图像在DR的检测上有良好的一致性 [ 4 , 5 , 6 , 7 , 8 ]。因此,临床中多采用视网膜后极部数字彩色眼底照相检查评估后极部视网膜,尤其是黄斑区情况,并结合检眼镜对周边视网膜病变进行观察,以满足临床上,尤其门诊中尽量快速、有效地完成DR检查。目前,鲜有关于UWFSLO在大规模人群DR筛查中的应用分析以及关于在DR分级评估方面与45°两视野数字彩色眼底照相图像比较的研究报道,UWFSLO在DR筛查中的应用价值尚无明确依据。我国DR患者较多,如何早期快速、有效地完成DR筛查是亟待解决的问题。本研究利用免扩瞳UWFSLO视网膜图像对唐山开滦地区DR患者进行观察,与扩瞳后45°两视野数字彩色眼底照相图像作对比,分析并比较了二者对糖尿病人群中DR的筛查及分级水平,并分析了UWFSLO不同通道图像对DR的分级评估水平,以期为UWFSLO在临床及大规模人群中DR筛查的应用提供依据。
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备注信息
A
魏文斌,Email: mocdef.3ab61nibnewiew_rtiew
B

杨默迟:酝酿和设计试验、实施研究、采集数据、分析/解释数据、统计分析、起草文章;魏文斌:酝酿和设计试验、实施研究、分析/解释数据、对文章的知识性内容作批评性审阅及定稿;王倩:实施研究、采集数据、分析/解释数据

C
所有作者均声明不存在利益冲突
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北京市医院管理局"登峰"人才培养计划 (DFL20150201)
北京市医院管理局临床医学发展专项(扬帆计划) (ZYLX201307)
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