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  • Title: [Severe diabetic retinopathy and renal function in non-insulin-dependent (type-2) diabetes mellitus].
    Author: Lugari R, Scoccianti L, Sborbone P, Bianco M, Dell'Anna C, Barilli LA, Gnudi A.
    Journal: Minerva Endocrinol; 1995 Jun; 20(2):127-34. PubMed ID: 8531894.
    Abstract:
    The existence of a linkage between retinal and renal microvascular complications in type 2 diabetes has been so far little investigated. For this purpose we evaluated the presence and degree of renal dysfunction in the most serious clinical conditions of diabetic retinopathy. On the basis of the alterations evidenced by fluorescein angiography 73 type 2 diabetic patients were recruited and divided into the following groups: 19 patients were affected by "clinically significant" Macular Edema (ME), 25 subjects had Preproliferative Retinopathy (PrePR) and 29 patients showed Proliferative Retinopathy (PR). Mean values (M +/- SD) of glycosylated hemoglobin, plasma basal C-peptide, lipid profile, blood pressure, glomerular filtration rate, body mass index, age and known duration of diabetes were similar between the groups. Urinary albumin excretion rate (UAE) was determined for each patient on three consecutive overnight collections (pg/min). Even though the distribution of normo (UAE < 20 micrograms/min), micro (UAE:20-200) and macroalbuminuric (UAE > 200) patients did not significantly differ between the groups, mean values of UAE increased significantly in PrePR (371.1 +/- 532.2) and PR (300.7 +/- 717.3) with respect to ME (35.4 +/- 73.1; p < 0.05). The evaluation of all patients recruited for the study, independently of the kind of retinal alteration, showed that 56.8% of them had no sign of even incipient renal dysfunction, in spite of the advanced retinal damage. When considering those patients affected by both retinal and renal complications (43.2%) the prevalence of renal involvement resulted different in the three conditions investigated.(ABSTRACT TRUNCATED AT 250 WORDS)
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