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Association of central arterial stiffness with the presence and severity of diabetic retinopathy in Asians with type 2 diabetes.

Abstract：

OBJECTIVE:Arterial stiffness has been associated with diabetic retinopathy; however, the information is limited in Asians. We aim to examine the association of central arterial stiffness with the presence and severity of diabetic retinopathy in type 2 diabetes mellitus patients in Singapore. METHODS:Arterial stiffness was estimated by carotid-femoral pulse wave velocity and augmentation index using applanation tonometry method. Digital colour fundus photographs from 1,203 patients were assessed for diabetic retinopathy. Diabetic retinopathy severity was categorized into non-proliferative diabetic retinopathy and proliferative diabetic retinopathy. Logistic regression model was used to evaluate the associations of diabetic retinopathy with pulse wave velocity and augmentation index. RESULTS:Diabetic retinopathy was diagnosed in 391 (32.5%) patients, including 271 non-proliferative diabetic retinopathy and 108 proliferative diabetic retinopathy. Diabetic retinopathy have higher pulse wave velocity (11.2 ± 3.3 vs 9.5 ± 2.6 m/s, p < 0.001) and augmentation index (28.4 ± 9.4 vs 26.1 ± 10.6%, p < 0.001) than non-diabetic retinopathy. After multivariable adjustment, pulse wave velocity [odds ratio = 1.11 (95% confidence interval = 1.05-1.17), p < 0.001] and augmentation index [odds ratio = 1.03 (95% confidence interval = 1.01-1.04), p = 0.009] was associated with diabetic retinopathy. In severity analyses, pulse wave velocity was associated with non-proliferative diabetic retinopathy [odds ratio = 1.10 (95% confidence interval = 1.03-1.17), p = 0.002] and proliferative diabetic retinopathy [odds ratio = 1.15 (95% confidence interval = 1.06-1.25), p = 0.001] (p-trend < 0.001). Augmentation index showed significant associations with non-proliferative diabetic retinopathy [odds ratio = 1.02 (95% confidence interval = 1.01-1.04), p = 0.008], but not with proliferative diabetic retinopathy [odds ratio = 1.01 (95% confidence interval = 0.98-1.04), p = 0.36] (p-trend = 0.03). CONCLUSION:Central arterial stiffness was associated with the presence and severity of diabetic retinopathy in type 2 diabetes mellitus patients, suggesting its etiologic implication in diabetic retinopathy.

journal_name

Diab Vasc Dis Res

journal_title

Diabetes & vascular disease research

authors

Zhang X,Lim SC,Tavintharan S,Yeoh LY,Sum CF,Ang K,Yeo D,Low S,Kumari N

doi

10.1177/1479164119845904

subject

Has Abstract

pub_date

2019-11-01 00:00:00

pages

498-505

issue

eissn

1479-1641

issn

1752-8984

journal_volume

pub_type

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Association of central arterial stiffness with the presence and severity of diabetic retinopathy in Asians with type 2 diabetes.