Prevalence and determinants of undiagnosed diabetic retinopathy and vision-threatening retinopathy in a multiethnic Asian cohort: the Singapore Epidemiology of Eye Diseases (SEED) study

被引:72
作者
Huang, Olivia S. [1 ]
Tay, Wan Ting [1 ]
Ong, Peng Guan [1 ]
Sabanayagam, Charumathi [1 ]
Cheng, Ching-Yu [1 ]
Tan, Gavin S. [1 ]
Cheung, Gemmy C. M. [1 ]
Lamoureux, Ecosse L. [1 ,2 ]
Wong, Tien Y. [1 ,2 ,3 ]
机构
[1] Singapore Natl Eye Ctr, Singapore Eye Res Inst, Singapore 168751, Singapore
[2] Univ Melbourne, Royal Victorian Eye & Ear Hosp, Ctr Eye Res Australia, Melbourne, Vic, Australia
[3] Natl Univ Singapore, Yong Loo Lin Sch Med, Dept Ophthalmol, Singapore 117595, Singapore
基金
英国医学研究理事会;
关键词
MALAY EYE; AWARENESS; COMMUNITY;
D O I
10.1136/bjophthalmol-2014-306492
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
Objective To determine the prevalence and risk factors of undiagnosed diabetic retinopathy (DR), in particular vision-threatening DR (VTDR) in a multiethnic Asian cohort. Design A population-based survey of 3353 Chinese, 3280 Malays and 3400 Indians (73.6% response) aged 40-80 years residing in Singapore. Diabetes mellitus (DM) was defined as random glucose >= 11.1 mmol/L, use of diabetic medication or a previous physician diagnosis. DR severity was graded from retinal photographs following the modified Airlie House classification. VTDR was defined as the presence of severe non-proliferative DR (NPDR), proliferative DR (PDR) or clinically significant macular oedema (CSMO), using the Eye Diseases Prevalence Research Group definition. Participants were deemed 'undiagnosed' if they reported no prior physician diagnosis in structured interviews, in those with the condition. Results Of 10 033 participants, 2376 had DM (23.7%), of which 805 (33.9%) had DR. Among 2376 with DM, 11.1% (n=263) were undiagnosed. Among 805 with DR, 671 (83.3%) were undiagnosed. Among 212 with VTDR, 59 (27.3%) were undiagnosed. In multivariate models, factors associated with undiagnosed VTDR were higher low-density lipoprotein (LDL) cholesterol (OR=1.53, 95% CI 0.99 to 2.35, p=0.05) and absence of visual impairment or blindness in any eye in terms of best-corrected vision OR=3.00, 95% CI 1.47 to 6.11, p=0.003). Conclusions In this community, a quarter with VTDR is undiagnosed, and 8 in 10 with any DR are undiagnosed, compared with only 1 in 10 with DM undiagnosed. These findings suggest that screening for diabetes is successful, while screening for DR is currently inadequate in our population. Public health strategies to aid early diagnosis of DR in Singapore are urgently warranted to reduce blindness due to diabetes.
引用
收藏
页码:1614 / 1621
页数:8
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