Journal of Pediatric Endocrinology and Metabolism
Editor-in-Chief: Kiess, Wieland
Ed. by Bereket, Abdullah / Cohen, Pinhas / Darendeliler, Feyza / Dattani, Mehul / Gustafsson, Jan / Luo, Feihong / Mericq, Veronica / Toppari, Jorma
Editorial Board Member: Battelino, Tadej / Buyukgebiz, Atilla / Cassorla, Fernando / Chrousos, George P. / Cutfield, Wayne / Fideleff, Hugo L. / Hershkovitz, Eli / Hiort, Olaf / LaFranchi, Stephen H. / Lanes M. D., Roberto / Mohn, Angelika / Root, Allen W. / Rosenfeld, Ron G. / Werther, George / Zadik, Zvi
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Pentoxifylline treatment for protecting diabetic retinopaty in children with type 1 diabetes
- Department of Radiology, School of Medicine, Erciyes University, Kayseri, Turkey
- Department of Pediatrics, Division of Pediatric Endocrinology and Diabetes, School of Medicine, Necmettin Erbakan University, Konya, Turkey
- Department of Pediatrics, Division of Pediatric Endocrinology and Diabetes, School of Medicine, Erciyes University, Kayseri, Turkey
Objective: The purpose of this study was to determine whether oral pentoxifylline (PTX) would improve retinal microvascular hemodynamics in children with type 1 diabetes mellitus (DM).
Patients and methods: Non-invasive ultrasonographic measurements were made in 56 type 1 diabetic patients. The diabetic patients were matched first in terms of age, diabetes duration, then one individual within each pair was randomized into a pentoxifylline group and a control group. Pentoxifylline was administered for 6 months. We investigated the change of peak systolic velocity (PSV), end diastolic velocity (EDV), pulsatility index (PI), and resistivity index (RI) of central retinal artery (CRA) at 6 months after pentoxifylline. We investigated the relationship between PI, RI and carotide cross-sectional compliance (C-CSC).
Results: In comparison to changes in CRA measurements between the two groups, the pentoxifylline treatment group had significantly lower PI values (p=0.01). The RI, PSV and EDV were lower in pentoxifylline group but not statistifically different. There was a positive correlation between CRA PSV and carotid Vmax (cm/s) (r=0.29, p=0.02) and also C-CSC (r=0.27, p=0.03). In addition, there was a positive correlation between PI and C-CSC (r=0.3, p=0.02). In the pentoxifylline group there was a significant reduction in systolic blood pressure, diastolic blood pressure, microalbuminuria and an increase in HDL level.
Conclusion: Our results suggest that pentoxifylline may have a protective action for diabetic retinopathy and might modulate risk factors for atherosclerosis in type 1 diabetes.