Resumo

SERRA, N. et al. Factors associated with blood pressure control in diabetic patients treated in nephrology units: PRESDIAB Study. Nefrología (Madr.) [online]. 2011, vol.31, n.3, pp.313-321. ISSN 1989-2284.

Background and objective: Most hypertensive patients do not reach target blood pressure (BP), especially if they are diabetic. The objective of the study is to assess the percentage of tight BP control, defined as BP<130/80mm Hg and identify factors associated with it in diabetic type 2 (DM2) patients treated in nephrology units. Patients and methods: Observational and cross-sectional study; we included 526 patients with DM2 and arterial hypertension (AHT). We collected data on: demographics, anthropometrics, harmful habits, history of cardiovascular disease (CVD), blood pressure, kidney function, glycaemic control, lipid profile, and drug treatment, among others. Results: The mean age (SD) was 66 (10.6) years, 61% were male, 12.8% were smokers, 39.4% had a history of CVD, 72% had hypercholesterolemia, and 44% were obese. Seventeen point five percent of patients had tight BP control (<130/80mm Hg) (95% confidence interval [CI]:14.3-21.0), while 36.9% had BP below 140/85mm Hg. Seventy-one percent of patients were prescribed two or more anti-hypertensive treatments. Several factors are associated with tight BP control not being achieved, and the logistic regression analysis revealed that LDL cholesterol levels were significantly associated (odds ratio [OR] 0.55; 95% CI:0.41-0.75 for one standard deviation increase). Conclusions: Of the DM2 patients that attended the nephrology units, less than 20% achieved a tight BP control. Cholesterol levels seem to be the main factor associated with unsatisfactory BP control within our study population.

Palavras-chave : Arterial hypertension; Type 2 diabetes mellitus; Blood pressure; Treatment; Blood pressure control.

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