Abstract
Objective: The purpose of this study is to establish reference value of pulse pressure (PP), heart rate (HR), load and variability of blood pressure by performing ambulatory blood pressure monitoring (ABPM) in normotensive patients (NP).Design and method: A total of 302 NP (mean age: 49.59 ± 14.84 years, BMI: 28.03 ± 4.93 Kg/m2, 41.4% male), who underwent 24-h ABPM by MOBIL-O-GRAPH system. Systolic and diastolic blood pressure (BP) variability was obtained by calculating the standard deviation (SD) of 24-h, day and night mean values of BP. Blood pressure load were high when 30% of systolic and/or diastolic readings exceed BP levels greater than 140/90 mmHg by day and 120/80 mmHg at night. Results: The reference values of the variables evaluated are show in the (Table 1). Conclusions: The data obtained in this study showed no difference between the average daytime and nighttime PP. The mean of HR was significantly lower at nighttime. The systolic and diastolic blood pressure variability was higher during the daytime. The mean of blood pressure load were higher at night.
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