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[Diabetic retinopathy: twelve-year incidence and progression]
Elvia Rodríguez-Villalobos1, Fernando Cervantes-Aguayo, Enrique Vargas-Salado
1Grupo de Estudios Epidemiológicos de la Retinopatía Diabética. rodriguezvillalobos@yahoo.com.mx
Cirugia Y Cirujanos
|May 25, 2005
Summary
Diabetic retinopathy (DR) incidence and progression are high in Mexican adults with type 2 diabetes, with significant rates observed over 12 years. Early detection and improved diabetes management are crucial for preventing vision loss.
Area of Science:
- Ophthalmology
- Endocrinology
- Public Health
Background:
- Diabetic retinopathy (DR) is a leading cause of preventable blindness in adults.
- Rates of DR progression vary significantly across different global populations.
Purpose of the Study:
- To determine the incidence and progression of DR over 12 years in a cohort of Mexican adults with type 2 diabetes mellitus (DM2).
- To analyze associated clinical parameters, including blood glucose and glycated hemoglobin levels.
Main Methods:
- An open population cohort study was conducted from April 1992 to July 2004 in Leon, Guanajuato, Mexico.
- Follow-up included 100 adult patients with DM2, with longitudinal data collection on DR, glycemic control, and clinical factors.
Main Results:
- After 12 years, DR incidence reached 71% and progression reached 74%.
- The 12-year incidence of proliferative DR was 14.3%, and progression was 32%.
- Mean fasting blood glucose was 193 mg/dL, and mean glycated hemoglobin was 11%, with a 45% overall mortality rate.
Conclusions:
- Diabetic retinopathy demonstrates high and rapidly accelerating incidence and progression in this Mexican population, exceeding rates in white non-Hispanic populations.
- Urgent public health priorities include diabetes prevention, improved metabolic control, and robust DR screening and treatment programs in Mexico.