Summary
This paper reviews the evidence that, in patients with hypertension, end-organ damage correlates more closely with blood pressure values obtained by ambulatory blood pressure monitoring than with those obtained by conventional sphygmomanometry. However, ambulatory blood pressure monitoring is not suitable for routine use in the clinical setting because of a lack of standard reference values and data regarding the prognostic significance of this method. Ambulatory blood pressure values are reproducible and this method avoids the so-called placebo effect; thus, this method is useful in clinical studies investigating the efficacy and duration of action of antihypertensive drugs. Data from 1 study in which hypertensive patients were treated with slow release verapamil 240mg, enalapril 20mg, nitrendipine 20mg and placebo, given once daily for 8 weeks according to a double-blind parallel group design, showed that mean 24-hour ambulatory blood pressure was reduced by all 3 drugs compared with placebo. Verapamil and enalapril showed similar antihypertensive efficacy and both drugs reduced night-time blood pressure more effectively than nitrendipine.
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Mancia, G., Omboni, S., Ravogli, A. et al. Ambulatory Blood Pressure Monitoring. Drugs 44 (Suppl 1), 17–22 (1992). https://doi.org/10.2165/00003495-199200441-00004
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DOI: https://doi.org/10.2165/00003495-199200441-00004