Serveur d'exploration sur les relations entre la France et l'Australie

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Glycemic Thresholds for Diabetes-Specific Retinopathy: Implications for diagnostic criteria for diabetes

Identifieur interne : 006A69 ( Main/Exploration ); précédent : 006A68; suivant : 006A70

Glycemic Thresholds for Diabetes-Specific Retinopathy: Implications for diagnostic criteria for diabetes

Auteurs : Stephen Colagiuri [Australie] ; Crystal M. Y. Lee [Australie] ; Tien Y. Wong [Australie, Singapour] ; Beverley Balkau [France] ; Jonathan E. Shaw [Australie] ; Knut Borch-Johnsen [Danemark]

Source :

RBID : Pascal:11-0101199

Descripteurs français

English descriptors

Abstract

OBJECTIVE - To re-evaluate the relationship between glycemia and diabetic retinopathy. RESEARCH DESIGN AND METHODS - We conducted a data-pooling analysis of nine studies from five countries with 44,623 participants aged 20-79 years with gradable retinal photographs. The relationship between diabetes-specific retinopathy (defined as moderate or more severe retinopathy) and three glycemic measures (fasting plasma glucose [FPG; n = 41,411], 2-h post oral glucose load plasma glucose [2-h PG; n = 21,334], and AlC [n = 28,010]) was examined. RESULTS- When diabetes-specific retinopathy was plotted against continuous glycemic measures, a curvilinear relationship was observed for FPG and AlC. Diabetes-specific retinopathy prevalence was low for FPG <6.0 mmol/l and AlC <6.0% but increased above these levels. Based on vigintile (20 groups with equal numbers) distributions, glycemic thresholds for diabetes-specific retinopathy were observed over the range of 6.4-6.8 mmol/l for FPG, 9.8-10.6 mmol/l for 2-h PG, and 6.3-6.7% for AlC. Thresholds for diabetes-specific retinopathy from receiver-operating characteristic curve analyses were 6.6 mmol/l for FPG, 13.0 mmol/l for 2-h PG, and 6.4% for AlC. CONCLUSIONS - This study broadens the evidence based on diabetes diagnostic criteria. A narrow threshold range for diabetes-specific retinopathy was identified for FPG and AlC but not for 2-h PG. The combined analyses suggest that the current diabetes diagnostic level for FPG could be lowered to 6.5 mmol/l and that an AlC of 6.5% is a suitable alternative diagnostic criterion.


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Le document en format XML

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<term>Human</term>
<term>Metabolic diseases</term>
<term>Nutrition</term>
<term>Retinopathy</term>
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<keywords scheme="Pascal" xml:lang="fr">
<term>Diabète</term>
<term>Glycémie</term>
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<div type="abstract" xml:lang="en">OBJECTIVE - To re-evaluate the relationship between glycemia and diabetic retinopathy. RESEARCH DESIGN AND METHODS - We conducted a data-pooling analysis of nine studies from five countries with 44,623 participants aged 20-79 years with gradable retinal photographs. The relationship between diabetes-specific retinopathy (defined as moderate or more severe retinopathy) and three glycemic measures (fasting plasma glucose [FPG; n = 41,411], 2-h post oral glucose load plasma glucose [2-h PG; n = 21,334], and AlC [n = 28,010]) was examined. RESULTS- When diabetes-specific retinopathy was plotted against continuous glycemic measures, a curvilinear relationship was observed for FPG and AlC. Diabetes-specific retinopathy prevalence was low for FPG <6.0 mmol/l and AlC <6.0% but increased above these levels. Based on vigintile (20 groups with equal numbers) distributions, glycemic thresholds for diabetes-specific retinopathy were observed over the range of 6.4-6.8 mmol/l for FPG, 9.8-10.6 mmol/l for 2-h PG, and 6.3-6.7% for AlC. Thresholds for diabetes-specific retinopathy from receiver-operating characteristic curve analyses were 6.6 mmol/l for FPG, 13.0 mmol/l for 2-h PG, and 6.4% for AlC. CONCLUSIONS - This study broadens the evidence based on diabetes diagnostic criteria. A narrow threshold range for diabetes-specific retinopathy was identified for FPG and AlC but not for 2-h PG. The combined analyses suggest that the current diabetes diagnostic level for FPG could be lowered to 6.5 mmol/l and that an AlC of 6.5% is a suitable alternative diagnostic criterion.</div>
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