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Diabet Med. 1991 Jul;8(6):567-72.

Ambulatory blood pressure measurement in type 2 diabetic patients: methodological aspects.

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Medical Department M (Diabetes and Endocrinology), Aarhus Kommunehospital, Denmark.


Ambulatory blood pressure was measured over 24 h on two occasions in 29 Type 2 diabetic patients age 65 (range 52-74) years, and the reproducibility compared with that of ordinary clinic measurements recorded by Hawskley's random zero sphygmomanometer. The variability of the difference between blood pressure measurements on the two occasions was twice as large for clinic measurement as for ambulatory measurement (2p less than 0.01). If applied to clinical trials this would allow a fourfold reduction of patient numbers without losing test power. In the group of patients treated with antihypertensive medication (n = 16) the spontaneous decline in blood pressure after leaving the hospital proved to be most prominent in those patients with the highest clinic blood pressure, a phenomenon with importance for the management of hypertension. The individual difference between clinic measurements and ambulatory day-time measurements from the same day was unpredictable. Ambulatory blood pressure measurement in the outpatient clinic may be a practicable approach for optimizing antihypertensive treatment in Type 2 diabetic patients.

[Indexed for MEDLINE]

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