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dc.contributor.authorWing, L.
dc.contributor.authorChowdhury, E.
dc.contributor.authorReid, Christopher
dc.contributor.authorBeilin, L.
dc.contributor.authorBrown, M.
dc.date.accessioned2019-02-19T04:17:20Z
dc.date.available2019-02-19T04:17:20Z
dc.date.created2019-02-19T03:58:33Z
dc.date.issued2018
dc.identifier.citationWing, L. and Chowdhury, E. and Reid, C. and Beilin, L. and Brown, M. 2018. Night-time ambulatory blood pressure is the best pretreatment blood pressure predictor of 11-year mortality in treated older hypertensives. Blood Pressure Monitoring. 23 (5): pp. 237-243.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/74554
dc.identifier.doi10.1097/MBP.0000000000000331
dc.description.abstract

Copyright © 2018 Wolters Kluwer Health, Inc. All rights reserved. Background: Numerous studies have shown a stronger relationship between ambulatory blood pressure (ABP), particularly night ABP, and cardiovascular events/mortality than for office blood pressure (OBP). A previous clinical trial (Syst-Eur) showed that pretreatment ABP was only a better predictor of outcome than OBP in placebo-treated participants. The current study in treated elderly hypertensives from the Second Australian National Blood Pressure study (ANBP2) examined whether pretreatment ABP was a better predictor of mortality than OBP over long-term (~11 years) follow-up. Participants and methods: ANBP2 was a comparative outcome trial in 6083 off-treatment or previously untreated elderly hypertensives. In the ABP substudy, at study entry, participants had ABP and nurse-performed OBP measurements. Cox proportional hazards analysis assessed the relationships between both OBP and ABP at study entry and 11-year all-cause and cardiovascular mortality, with results pooled from both active treatment phases. Results: In 702 participants, over a median of 10.8 years, including 6.7 years after the trial, 167 died (82 cardiovascular). Pretreatment 'night' systolic ABP and pulse pressure were the best predictors of '11-year' cardiovascular mortality (hazard ratios: 1.26; 95% confidence intervals: 1.10-1.45, P=0.001 and 1.18; 1.06-1.31, P=0.003, respectively) and all-cause mortality (hazard ratios: 1.15; 95% confidence intervals:1.05-1.28, P=0.005 and 1.09; 1.10-1.31, P=0.03, respectively). OBP was not a significant predictor of mortality. Conclusion: In actively treated elderly hypertensives participating in ANBP2, all-cause or cardiovascular deaths were significantly related to pretreatment ABP, particularly to night-time systolic ABP and pulse pressure, but not to OBP.

dc.titleNight-time ambulatory blood pressure is the best pretreatment blood pressure predictor of 11-year mortality in treated older hypertensives
dc.typeJournal Article
dcterms.source.volume23
dcterms.source.number5
dcterms.source.startPage237
dcterms.source.endPage243
dcterms.source.issn1359-5237
dcterms.source.titleBlood Pressure Monitoring
curtin.departmentSchool of Public Health
curtin.accessStatusFulltext not available


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