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1 Universidad Científica del Sur, Departamento de Ciencias Básicas Morfofisiología, Lima-Perú. 2 Servicio de Oftalmología Hospital Nacional Edgardo Rebagliatti Martins, Lima-Perú. 3 Latin American Lifestyle Medicine Association, Lima-Perú. 4 Lifestyle Medicine Centers, Lima-Perú. a Master in Medicine, b MSc, PhD, Medical Oncologist, c Master in Ophthalmology, d Medical student, e Master in teaching, f Surgeon, g Doctor, Master of Public Health. Cite as: Juan Carlos Roque, Gabriela Quezada, Claudia Saldaña, Carolina Carrillo, José Arturo Vargas, Karla Arancibia. Erythrocyte distribution width an inflammatory biomarker related to proliferative diabetic retinopathy. Rev. Fac. Med. Hum. October 2020; 20(4):602-607. DOI 10.25176/ RFMH.v20i4.3218 ABSTRACT Objective: The objective of this study was to determine the association between red blood cell distribution width and proliferative diabetic retinopathy in patients with type 2 diabetes. Methods: We conducted a case-control study in a hospital. Adult patients (≥ 18 years) with a diagnosis of Diabetic Retinopathy who underwent medical controls at the Ophthalmology service where they were enrolled in our study. We selected a total sample size of 262 patients, of which 131 cases had proliferative diabetic retinopathy and 131 controls had nonproliferative diabetic retinopathy. Data on age, sex, body mass index, history of hypertension, diabetic nephropathy, congestive heart failure, hemoglobin, and HbA1c were recorded for individuals who met the inclusion criteria. An odds ratio model was used to test the relationship between red blood cell distribution width and proliferative diabetic retinopathy. Results: The mean red blood cell distribution width +/SD of the cases was 14.41 +/0.84 and the controls were 13.49 +/1.26. According to the bivariate analysis, an association was found between red blood cell distribution width and proliferative diabetic retinopathy (OR 3.79, P = 0.000, CI = 2.126.78). Multivariate logistic regression analysis indicated that red blood cell distribution width (OR 2.15, P = 0.037, CI = 1.054.43) was an independent risk factor for the development of proliferative diabetic retinopathy. Conclusion: Elevated red blood cell distribution width values were related to proliferative diabetic retinopathy, suggesting the possible application of red blood cell distribution width as an accessible predictive biomarker of disease progression in patients with diabetic retinopathy.

Red blood cell distribution width an inflammatory biomarker related to proliferative diabetic retinopathy