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Jornal Brasileiro de Nefrologia

versión impresa ISSN 0101-2800


UEZIMA, Clarissa Baia Bargas et al. Efect of short term glycemic control on microalbuminuria and glomerular filtration rate in type 2 diabetic patients with poor glycemic control. J. Bras. Nefrol. [online]. 2012, vol.34, n.2, pp.130-138. ISSN 0101-2800.

INTRODUCTION: The intensive glucose control significantly reduces the risk of microvascular complications, including nephropaty. OBJECTIVES: We assess the impact of glycemic control through calculation of weekly mean glycemia (WMG) and glycemic variability (GV) on 24 hours ambulatory blood pressure (ABPM), urinary albumin excretion (UAE) and glomerular filtration rate (GFR). METHODS: 53 patients with type 2 diabetes mellitus (DM2) were randomly divided into two groups to receive conventional or intensive treatment, which included weekly visits for medication adjustments and implementation of an educational plan for six weeks. RESULTS: We observed glycemic control (WMG < 150 mg/dL and VG < 50) in 75% (n = 21) of the patients on the intervention treatment (IT) (n = 28), and in 24% (n = 6) of the ones on the conventional treatment (CT) (n = 25) (p < 0.001). Considering patients of the two groups, 14 out of the 27 patients who achieved glycemic control showed initial mean systolic blood pressure (SBP) > 120 mmHg which was reduced from 138.4 ± 10.1 to 127.8 ± 11.6 mmHg (p = 0.023) at the end of week six. Reductions in SBP and diastolic BP (DBP) during wakefulness and sleep did not occur in the group (n = 17) without glycemic control and with SBP > 120 mmHg. Initially, 15 patients had GFR > 120 mL/min, and after six weeks, only the subgroup that achieved glycemic control (n = 7) showed a reduction of 137.2 ± 16 to 122.2 ± 25.2 mL/min (p = 0.02). At the beginning of the study, another fifteen patients presented with microalbuminuria. After six weeks, regardless of whether they achieved glycemic control or not, there was reduction in UAE, from 63.0 ± 43.1 to 24.8 ± 19.5 mg/g creatinine (p = 0.02). CONCLUSION: Thus short term glycemic control resulted in reductions of BP, GFR and the UAE in patients with DM2, which are beneficial for renal protection.

Palabras clave : Diabetes mellitus; type 2; Blood glucose self-monitoring; Albuminuria; Glomerular filtration rate.

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