Why the study?
Does a ten-minute recumbent rest reduce blood pressure in subjects undergoing life assurance medical examinations?
Does a ten-minute recumbent rest reduce blood pressure in subjects undergoing life assurance medical examinations?
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A 10-minute period of recumbent rest normalizes blood pressure in a majority of subjects with initially elevated readings, suggesting it could more accurately identify true hypertension.
BACKGROUND: The prevalence of hypertension in a population is the sum of those individuals with a blood pressure (BP) exceeding 140/90 mm Hg plus those with normal BP on antihypertensive therapy (this is usually about 20-30% of the population). Rest normally reduces BP but the frequency and extent of the fall remains unclear. METHODS: This study analysed the results of 1,008 consecutive life assurance examinations in which BP was recorded twice, before and after a ten minute period of recumbent rest. RESULTS: Two hundred and twelve subjects had initial BPs of more than 140/90 mm Hg (21%). When all those receiving antihypertensive treatment but with normal BPs were included, this was 26.5%. Of the 212 subjects, BP was at a normal level in 147 (69%) after ten minutes at rest. CONCLUSION: BP measurement after a ten minute period of standardised rest could more accurately identify true hypertension.
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Pengelly et al. (2012) studied this question.
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