Homocysteine and Diabetic Retinopathy  

Oleh:

Brazionis, Laima ; Rowley, Kevin ; Itsiopoulos, Catherine ; Harper, Colin Alexander ; O’Dea, Kerin

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Diabetes Care vol. 31 no. 01 (Jan. 2008), page 50.
Topik: ACR; albumin-to-creatinine ratio ; MCCS; Melbourne Collaborative Cohort Study

Ketersediaan

Perpustakaan FK Nomor Panggil: D05.K.2008.01 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

Lihat Detail Induk

Isi artikel

OBJECTIVE—Homocysteine is an emerging risk factor for cardiovascular and nondiabetic ocular vaso-occlusive diseases. However, studies of the relationship between homocysteine and diabetic retinopathy have reported inconsistent results. The purpose of this study was to evaluate the relationship between plasma total homocysteine concentration and diabetic retinopathy. RESEARCH DESIGN AND METHODS—We assessed the homocysteine-retinopathy relationship in 168 men and women with type 2 diabetes in a community-based, cross-sectional study. We photodocumented diabetic retinopathy status and measured plasma total homocysteine concentration using a commercial fluorescence polarization immunoassay enzymatic kit. Data for selected clinical/demographic variables and established risk factors for diabetic retinopathy were obtained from fasting blood samples and an interviewer-assisted lifestyle questionnaire. RESULTS—A higher mean plasma total homocysteine concentration was observed in diabetic individuals with retinopathy than in those without retinopathy (11.5 µmol/l [95% CI 10.4–12.5] vs. 9.6 µmol/l [9.1–10.2], P = 0.001). Furthermore, the relationship between homocysteine and diabetic retinopathy was not explained by renal dysfunction and was independent of the other major risk factors for diabetic retinopathy (duration of diabetes, A1C, and systolic blood pressure) and determinants of higher homocysteine concentrations (age, sex, and red cell folate) (odds ratio 1.20 [95% CI 1.023–1.41], P = 0.024). CONCLUSIONS—Plasma total homocysteine concentration may be a useful biomarker and/or a novel risk factor for increased risk of diabetic retinopathy in people with type 2 diabetes.

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