Factors associated with treatment and control of hypertension in a healthy elderly population free of cardiovascular disease: a cross-sectional study

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dc.contributor.authorChowdhury, E.K.
dc.contributor.authorNelson, M.R.
dc.contributor.authorErnst, M.E.
dc.contributor.authorMargolis, K.L.
dc.contributor.authorBeilin, L.J.
dc.contributor.authorJohnston, C.I.
dc.contributor.authorWoods, R.L.
dc.contributor.authorMurray, A.M.
dc.contributor.authorWolfe, R.
dc.contributor.authorStorey, E.
dc.contributor.authorShah, R.C.
dc.contributor.authorLockery, J.E.
dc.contributor.authorTonkin, A.M.
dc.contributor.authorNewman, A.B.
dc.contributor.authorWilliamson, J.D.
dc.contributor.authorAbhayaratna, W.P.
dc.contributor.authorStocks, N.P.
dc.contributor.authorFitzgerald, S.M.
dc.contributor.authorOrchard, S.G.
dc.contributor.authorTrevaks, R.E.
dc.contributor.authoret al.
dc.date.issued2019
dc.descriptionPublished: 06 December 2019
dc.description.abstractBACKGROUND: Despite readily available treatments, control of blood pressure (BP) with population ageing remains suboptimal. Further, there are gaps in the understanding of the management of high BP in the aged. We explored antihypertensive treatment and control among elderly hypertensive participants free from overt cardiovascular disease (CVD), and identified factors related to both 'untreated' and 'treated but uncontrolled' high BP. METHODS: We analyzed baseline data from 19,114 individuals aged ≥65-years enrolled from Australia and US in the ASPirin in Reducing Events in the Elderly (ASPREE) study. Hypertension was defined as an average systolic/diastolic BP ≥140/90mmHg and/or the use of any BP lowering medication. 'Controlled hypertension' was defined if participants were receiving antihypertensive medication and BP <140&90mmHg. Descriptive analyses were used to summarize hypertension control rates; logistic regression was used to investigate relationships with treatment and BP control. RESULTS: Overall, 74% (14,213/19,114) of participants were hypertensive; and of these 29% (4,151/14,213) were untreated. Among those treated participants, 53% (5,330/10,062) had BP≥140/90 mmHg. Participants who were untreated were more likely to be men, have higher educational status, and be in good physical health, and less likely to have significant comorbidities. The factors related to 'treated but uncontrolled' BP included older age, male, Black race (versus White), using antihypertensive monotherapy (versus multiple) and residing in Australia (versus US). CONCLUSION: High levels of 'untreated' and 'treated but uncontrolled' BP occur in healthy elderly people without CVD , suggesting there are opportunities for better BP control in the primary prevention of CVD in this population.
dc.description.statementofresponsibilityEnayet K. Chowdhury, Mark R. Nelson, Michael E. Ernst, Karen L. Margolis ... Walter P Abhayaratna, Nigel P Stocks ... at al.
dc.identifier.citationAmerican Journal of Hypertension, 2019; 33(4):1-12
dc.identifier.doi10.1093/ajh/hpz192
dc.identifier.issn0895-7061
dc.identifier.issn1941-7225
dc.identifier.orcidStocks, N.P. [0000-0002-9018-0361]
dc.identifier.urihttp://hdl.handle.net/2440/123199
dc.language.isoen
dc.publisherOxford University Press
dc.relation.granthttp://purl.org/au-research/grants/nhmrc/1136372
dc.rights© American Journal of Hypertension, Ltd 2019. All rights reserved.
dc.source.urihttps://doi.org/10.1093/ajh/hpz192
dc.subjectBP control
dc.subjectHypertension
dc.subjectantihypertensive
dc.subjectelderly
dc.titleFactors associated with treatment and control of hypertension in a healthy elderly population free of cardiovascular disease: a cross-sectional study
dc.typeJournal article
pubs.publication-statusPublished

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