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Impact of isolated systolic hypertension on normalization of left ventricular structure during antihypertensive treatment in patients with electrocardiographic left ventricular hypertrophy (LIFE)
- Mancusi, C. (author)
- Gerdts, E. (author)
- De Simone, G. (author)
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- Abdelhai, Y. M. (author)
- Lonnebakken, M. T. (author)
- Wachtell, K. (author)
- Dahlof, B. (author)
- Devereux, R. B. (author)
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- (creator_code:org_t)
- Oxford University Press, 2013
- 2013
- English.
- In: European Heart Journal. - : Oxford University Press. - 0195-668X .- 1522-9645. ; 34:Supplement: 1, s. 597-597
- Journal article (other academic/artistic)
Abstract
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- Objective: Hypertension is associated with changes in left ventricular(LV) mass and geometry. We tested the impact of isolated systolichypertension (ISH) on normalization of LV structure during antihypertensive treatment.Methods: Baseline and annual echocardiograms were recorded in 875 hypertensive patients with electrocardiographic signs of LV hypertrophy during 4.8 years randomized losartan or atenolol-based antihypertensive treatment in the Losartan Intervention For Endpoint (LIFE) reduction inhypertension study.Results: Patients with ISH at baseline (n=128) were older, included more women, patients with diabetes or previous myocardial infarctioncompared to non-ISH patients (n=747) (all p<0.05). Baseline systolicblood pressure (BP), LV mass and ejection fraction (EF) did not differ between groups, while pulse pressure/stroke volume index (PP/SVi, an index of arterial stiffness) was higher in the ISH group (p<0.01). At the final study visit, systolic BP, LV mass, relative wall thickness (RWT) and PP/SVi were higher in the ISH group (all p<0.05). In particular, ISH patients had less reduction in LV mass and more residual LV hypertrophy compared to non-ISH patients (p<0.05). In multivariate analysis, ISH at baseline predicted higher LV mass at study end (β=0.53) independent ofhigher baseline LV mass (β=0.54) body mass index (β=0.10), atenolol-based treatment (β=0.09), and higher systolic BP (β=0.07), RWT (β=0.23) and lower LV EF (β=-0.24) at the final visit (all p<0.05), while age, historyof diabetes and PP/SVi were not significant covariates in the model.Conclusions: Antihypertensive treatment is associated with impairednormalization of LV mass and LV geometry in ISH patients with ECG LV hypertrophy. The findings may help explain the higher cardiovascular event-rate previously reported in LIFE ISH-patients.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
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- Gerdts, E.
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- Wachtell, K.
- Dahlof, B.
- Devereux, R. B.
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