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Relationship between initial lens transparency and ocular circulation in adolescents with type-1 diabetes mellitus, unstable glycaemia and lipid parameters

By Monika Modrzejewska, Wilhelm Grzesiak, Daniel Zaborski, Grażyna Wilk and Anna Modrzejewska

Abstract

Background: The aim of this study was to determine the relationships between lens opacity, vascular and lipid factors and retrobulbar blood flow parameters in type-1 diabetic (DM) adolescents. Material/Methods: Glycated haemoglobin (HbA1c), total cholesterol (TCH), high- and low-density cholesterol, triglycerides (TG) and apolipoprotein B (ApoB) were determined in 28 patients with (DM-1) and without (DM-0) lens opacity and 18 controls. In the ophthalmic, central retinal (CRA) and temporal posterior ciliary (TPCA) arteries, the systolic (PSV), end-diastolic and mean blood flow velocities as well as pulsatility and resistance (RI) indices were measured. Results: Ten (35.71%) diabetic patients exhibited lens opacification. Higher TG and TCH levels in the DM-1 group and HbA1c level in the DM-0 and DM-1 groups were observed (P≤0.05). Diabetic patients had lower PSV and higher RI within CRA and TPCA (P£0.05). Significant correlations between biochemical and blood flow parameters were found. Conclusions: Glycaemic and lipid factors may play a vasoconstrictive role in retrobulbar endotheliopathy

Topics: cataract, diabetes mellitus type 1, glycosylated, dyslipidemias, hemoglobin A
Year: 2014
DOI identifier: 10.12659/PJR.890852
OAI identifier: oai:ruj.uj.edu.pl:item/43231
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