• Acta clinica Croatica · Jun 2022

    BLOOD PRESSURE IS ASSOCIATED 
WITH DIABETIC RETINOPATHY 
IN TYPE 1 BUT NOT IN TYPE 2 DIABETES.

    • Tomislav Bulum, Martina Tomić, Romano Vrabec, Miljenka Martinović Bošković, Spomenka Ljubić, and Ingrid Prkačin.
    • 1Vuk Vrhovac Clinic for Diabetes, Endocrinology and Metabolic Diseases, University Hospital Merkur; 
2Medical School, University of Zagreb, Zagreb, Croatia; 
3Department of Internal Medicine, Merkur University Hospital, Zagreb, Croatia.
    • Acta Clin Croat. 2022 Jun 1; 61 (Suppl 1): 14-22.

    AbstractThe aim of this study was to investigate the role of systolic blood pressure (SBP) and diastolic blood pressure (DBP) in the development of diabetic retinopathy (DR) in type 1 and type 2 diabetes and to determine the differences between these two types of diabetes. This cross-sectional study included 84 patients with type 1 diabetes (T1DM) and 107 patients with type 2 diabetes (T2DM). Ophthalmologic retinal examination included indirect slit-lamp fundoscopy, color fundus photography according to EURODIAB (EUROpe and DIABetes) protocol and optical coherence tomography. Blood pressure was measured with a mercury sphygmomanometer after a 10-minute rest period. In T1DM, DR was positively associated with SBP (p = 0.035), HbA1cmedian (p < 0.001) and hypertensive retinopathy (p < 0.001), while in T2DM DR was positively related only to HbA1cmedian (p = 0.021). Binary logistic regression analysis (no DR/DR) showed that diabetes duration and HbA1cmedian were the main predictors of DR in both types of diabetes. In contrast, SBP (OR = 1.05, p = 0.045) and hypertensive retinopathy (OR = 3.75, p < 0.001) were the main predictors/indicators of DR only in T1DM. In conclusion, blood pressure is associated with DR in type 1 but not in type 2 diabetes.

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