BACKGROUND

Ambulatory blood pressure monitoring (ABPM) more accurately predicts the risk of cardiovascular complications than blood pressure in the office. The ABPM parameter that is associated most closely is the average nighttime blood pressure.

OBJECTIVE

To determine the prevalence and factors associated of alterations in the ABPM parameters of 24 hours in diabetic patients.

MATERIAL AND METHOD

A descriptive, cross-sectional study was done from Ja-nuary to June 2017 in patients with type 2 diabetes mellitus with or without a history of arterial hypertension. A clinical and laboratory evaluation was carried out to identify cardiovascular risk factors. For ABPM, Watch BP 03 monitors were used.

RESULTS

127 patients were included. 24-hours hypertension was found in 46.5% and daytime hypertension in 35.4%. The prevalence of nocturnal hypertension was 66.1% and of isolated nocturnal hypertension of 32.3%. The prevalence of non-dipper pattern was 49.6%, Riser pattern 24.4%, Dipper 22.8% and extreme Dipper 3.1%. The factors significantly associated with the presence of nocturnal hypertension were smoking, time of evolution of diabetes mellitus, age and serum creatinine concentration.

CONCLUSIONS

A high prevalence of nocturnal alterations in blood pressure was found.

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