Please use this identifier to cite or link to this item: https://doi.org/10.1097/HJH.0b013e32836586da
Title: Age and the effectiveness of anti-hypertensive therapy on improvement in diastolic function
Authors: Cheng, S.
Lam, C. 
Shah, A.
Claggett, B.
Desai, A.
Hilkert, R.J.
Izzo, J.
Oparil, S.
Pitt, B.
Solomon, S.D.
Keywords: Aging
Antihypertensive agents
Blood pressure
Diastolic dysfunction
Hypertension
Issue Date: Jan-2014
Citation: Cheng, S., Lam, C., Shah, A., Claggett, B., Desai, A., Hilkert, R.J., Izzo, J., Oparil, S., Pitt, B., Solomon, S.D. (2014-01). Age and the effectiveness of anti-hypertensive therapy on improvement in diastolic function. Journal of Hypertension 32 (1) : 174-180. ScholarBank@NUS Repository. https://doi.org/10.1097/HJH.0b013e32836586da
Abstract: OBJECTIVE: Diastolic dysfunction is associated with adverse outcomes and is highly prevalent among older adults with hypertension. Lowering SBP with antihypertensive therapy has been shown to improve diastolic function, but whether or not age influences this effect is unknown. METHODS: In the Exforge Intensive Control of Hypertension to Evaluate Efficacy in Diastolic Dysfunction trial, 189 patients (age range 45-93 years) with hypertension and diastolic dysfunction underwent echocardiography before and after 24 weeks of intensive versus standard antihypertensive therapy titrated to a goal SBP below 135 versus below 140mmHg. We performed linear regression analyses to examine the association between age and improvement in diastolic function achieved with SBP reduction. RESULTS: Antihypertensive therapy reduced SBP by 28±19mmHg overall, and this was not significantly different across age strata. However, percentage improvement in diastolic relaxation velocity (lateral E′ peak velocity) for every 10mmHg reduction in SBP was lower in older compared to younger patients. In analyses adjusting for age stratum, sex, treatment arm, baseline relaxation velocity, and baseline blood pressure, older age was associated with reduced improvement in diastolic relaxation velocity per 10mmHg of SBP reduction (β -1.64, P=0.009). In contrast, the degree of change in left ventricular mass index per 10mmHg reduction in SBP was not influenced by age (P=0.89). CONCLUSIONS: In our sample of individuals with hypertension and diastolic dysfunction, older compared to younger adults experienced less improvement in diastolic function in response to similar reductions in SBP. © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins.
Source Title: Journal of Hypertension
URI: http://scholarbank.nus.edu.sg/handle/10635/126784
ISSN: 02636352
DOI: 10.1097/HJH.0b013e32836586da
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