Prevalence and major risk factors of diabetic retinopathy: A cross-sectional study in Ecuador

Karen Sofía Flores-Mena, Kory Naima Jara-Tamayo, Paúl Herrera-González, Enrique Gea-Izquierdo

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Diabetes mellitus type 2 is one of the most prevalent diseases that cause dependency and disability, so its early diagnosis prevents future complications. More than 90% of blindness is preventable with strict systemic and ophthalmologic treatment. The objective of this study is to determine the prevalence and risk factors of diabetic retinopathy in type 2 diabetic patients between 30 and 60 years. Cross-sectional study analyzing age, sex, presence and duration of diabetes, unaware of being diabetic, high blood pressure, glycosylated hemoglobin, dyslipidemia, metabolic control and pharmacological treatment. Sample of 292 patients selected by simple random sampling from the Ophthalmology Service at San Francisco Hospital in Quito was determined. The prevalence of diabetic retinopathy was 21% (5% proliferative and 95% non-proliferative). There was a statistically significant association between diabetic retinopathy and age [prevalence ratio (95% CI): 8.14 (3.70-17.90), p=0.00], total cholesterol [prevalence ratio (95% CI): 7.43 (0.98-56.17), p=0.01], dyslipidemia [prevalence ratio (95% CI): 3.31 (0.96-11.38), p=0.04], metabolic control [prevalence ratio (95% CI): 4.57 (1.36-15.26), p=0.00], pharmacological treatment [prevalence ratio (95% CI): 46.88 (20.65-106.38), p=0.00] and use of insulin [prevalence ratio (95% CI): 41.10 (11.70-144.49), p=0.00]; on the other hand, there is no statistically significant association with sex, duration of disease, unaware of being diabetic, high blood pressure, glycosylated hemoglobin, triglycerides, HDL-C and LDL-C. The age, presence of dyslipidemia, metabolic control and diabetic treatment are risk factors that promote the development of diabetic retinopathy; so they must be taken into account from the first medical appointment for early detection, timely treatment and if necessary refer to the specialist.

Original languageEnglish
Pages (from-to)427-431
Number of pages5
JournalBionatura
Volume2
Issue number4
DOIs
StatePublished - 2017

Bibliographical note

Publisher Copyright:
© 2017 Centro de Biotecnologia y Biomedicina, Clinical Biotec. Universidad Católica del Oriente (UCO), Univesidad Yachay Tech. All right reserved.

Keywords

  • Diabetes mellitus type 2
  • Diabetic retinopathy
  • Metabolic control
  • Risk factors

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