Abstract
The European Society of Hypertension (ESH) has issued guidelines for the detection and treatment of hypertension. According to these guidelines, normal 24-h ambulatory blood pressure (ABP) is defined as lower than 125/80 mmHg. Another publication of ESH recommendations for blood pressure (BP) measurement defines normal awake and asleep blood pressure as lower than 135/85 and 120/70 mmHg, respectively. Our aim was to investigate the compatibility of these two recently proposed ABP cutoffs in clinical practice. We analysed 1495 consecutive ABP measurements. In all, 56% of the subjects were female; age 58±16 years; body mass index 27±4 kg/m2; clinic BP 151±22/84±13 mmHg. Two-thirds were treated for hypertension, and 11% for diabetes. Subjects were classified as having normal 24-h BP if the corresponding value was <125/80 mmHg. Normal awake–sleep BP was diagnosed if awake BP was <135/85 mmHg and sleep BP was <120/70 mmHg. Concordance between the cutoffs was found in 93% of the subjects. Among the 7% discordant subjects, 4.5% were hypertensive applying the 24 h, but not awake–sleep, BP values, whereas only 2.5% were hypertensive according to awake–sleep, but not 24 h, BP values (P<0.005). In Conclusion, in real-life ABP measurement, a good agreement was found between two recently issued ABP normality definitions. However, some subjects are classified as hypertensive only according to one of these methods, more often by the 24-h cutoff of 125/80. This discordance may be significant in large-scale clinical BP monitoring.
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Ben-Dov, I., Ben-Arie, L., Mekler, J. et al. Normal ambulatory blood pressure: a clinical practice-based comparison of two recently published definitions. J Hum Hypertens 19, 565–567 (2005). https://doi.org/10.1038/sj.jhh.1001866
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DOI: https://doi.org/10.1038/sj.jhh.1001866