Cardiovascular risk reduction in hypertensive black patients with left ventricular hypertrophy: The life study

Stevo Julius, Michael H. Alderman, Gareth Beevers, Björn Dahlöf, Richard B. Devereux, Janice G. Douglas, Jonathan M. Edelman, Katherine E. Harris, Sverre E. Kjeldsen, Shawna Nesbitt, Otelio S. Randall, Jackson T. Wright

Research output: Contribution to journalArticle

97 Citations (Scopus)

Abstract

Objectives We report on a subanalysis of the effects of losartan and atenolol on cardiovascular events in black patients in the Losartan Intervention For Endpoint reduction in hypertension (LIFE) study. Background The LIFE study compared losartan-based to atenolol-based therapy in 9,193 hypertensive patients with left ventricular hypertrophy (LVH). Overall, the risk of the primary composite end point (cardiovascular death, stroke, myocardial infarction) was reduced by 13% (p = 0.021) with losartan, with similar blood pressure (BP) reduction in both treatment groups. There was a suggestion of interaction between ethnic background and treatment (p = 0.057). Methods Exploratory analyses were performed that placed LIFE study patients into black (n = 533) and non-black (n = 8,660) categories, overall, and in the U.S. (African American [n = 523]; non-black [n = 1,184]). Results A significant interaction existed between the dichotomized groups (black/non-black) and treatment (p = 0.005); a test for qualitative interaction was also significant (p = 0.016). The hazard ratio (losartan relative to atenolol) for the primary end point favored atenolol in black patients (1.666 [95% confidence interval (CI) 1.043 to 2.661]; p = 0.033) and favored losartan in non-blacks (0.829 [95% CI 0.733 to 0.938]; p = 0.003). In black patients, BP reduction was similar in both groups, and regression of electrocardiographic-LVH was greater with losartan. Conclusions Results of the subanalysis are sufficient to generate the hypothesis that black patients with hypertension and LVH might not respond as favorably to losartan-based treatment as non-black patients with respect to cardiovascular outcomes, and do not support a recommendation for losartan as a first-line treatment for this purpose. The subanalysis is limited by the relatively small number of events.

Original languageEnglish (US)
Pages (from-to)1047-1055
Number of pages9
JournalJournal of the American College of Cardiology
Volume43
Issue number6
DOIs
StatePublished - Mar 17 2004

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Losartan
Left Ventricular Hypertrophy
Risk Reduction Behavior
Atenolol
Therapeutics
Myocardial Infarction
Confidence Intervals
Blood Pressure
Hypertension
African Americans

Keywords

  • ACE
  • ALLHAT
  • Angiotensin-converting enzyme
  • Antihypertensive therapy and Lipid Lowering Heart Attack prevention Trial
  • Blood pressure
  • BP
  • CHD
  • CI
  • Confidence interval
  • Coronary heart disease
  • ECG
  • Electrocardiogram/electrocardiographic
  • ISH

ASJC Scopus subject areas

  • Nursing(all)

Cite this

Julius, S., Alderman, M. H., Beevers, G., Dahlöf, B., Devereux, R. B., Douglas, J. G., ... Wright, J. T. (2004). Cardiovascular risk reduction in hypertensive black patients with left ventricular hypertrophy: The life study. Journal of the American College of Cardiology, 43(6), 1047-1055. https://doi.org/10.1016/j.jacc.2003.11.029

Cardiovascular risk reduction in hypertensive black patients with left ventricular hypertrophy : The life study. / Julius, Stevo; Alderman, Michael H.; Beevers, Gareth; Dahlöf, Björn; Devereux, Richard B.; Douglas, Janice G.; Edelman, Jonathan M.; Harris, Katherine E.; Kjeldsen, Sverre E.; Nesbitt, Shawna; Randall, Otelio S.; Wright, Jackson T.

In: Journal of the American College of Cardiology, Vol. 43, No. 6, 17.03.2004, p. 1047-1055.

Research output: Contribution to journalArticle

Julius, S, Alderman, MH, Beevers, G, Dahlöf, B, Devereux, RB, Douglas, JG, Edelman, JM, Harris, KE, Kjeldsen, SE, Nesbitt, S, Randall, OS & Wright, JT 2004, 'Cardiovascular risk reduction in hypertensive black patients with left ventricular hypertrophy: The life study', Journal of the American College of Cardiology, vol. 43, no. 6, pp. 1047-1055. https://doi.org/10.1016/j.jacc.2003.11.029
Julius, Stevo ; Alderman, Michael H. ; Beevers, Gareth ; Dahlöf, Björn ; Devereux, Richard B. ; Douglas, Janice G. ; Edelman, Jonathan M. ; Harris, Katherine E. ; Kjeldsen, Sverre E. ; Nesbitt, Shawna ; Randall, Otelio S. ; Wright, Jackson T. / Cardiovascular risk reduction in hypertensive black patients with left ventricular hypertrophy : The life study. In: Journal of the American College of Cardiology. 2004 ; Vol. 43, No. 6. pp. 1047-1055.
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abstract = "Objectives We report on a subanalysis of the effects of losartan and atenolol on cardiovascular events in black patients in the Losartan Intervention For Endpoint reduction in hypertension (LIFE) study. Background The LIFE study compared losartan-based to atenolol-based therapy in 9,193 hypertensive patients with left ventricular hypertrophy (LVH). Overall, the risk of the primary composite end point (cardiovascular death, stroke, myocardial infarction) was reduced by 13{\%} (p = 0.021) with losartan, with similar blood pressure (BP) reduction in both treatment groups. There was a suggestion of interaction between ethnic background and treatment (p = 0.057). Methods Exploratory analyses were performed that placed LIFE study patients into black (n = 533) and non-black (n = 8,660) categories, overall, and in the U.S. (African American [n = 523]; non-black [n = 1,184]). Results A significant interaction existed between the dichotomized groups (black/non-black) and treatment (p = 0.005); a test for qualitative interaction was also significant (p = 0.016). The hazard ratio (losartan relative to atenolol) for the primary end point favored atenolol in black patients (1.666 [95{\%} confidence interval (CI) 1.043 to 2.661]; p = 0.033) and favored losartan in non-blacks (0.829 [95{\%} CI 0.733 to 0.938]; p = 0.003). In black patients, BP reduction was similar in both groups, and regression of electrocardiographic-LVH was greater with losartan. Conclusions Results of the subanalysis are sufficient to generate the hypothesis that black patients with hypertension and LVH might not respond as favorably to losartan-based treatment as non-black patients with respect to cardiovascular outcomes, and do not support a recommendation for losartan as a first-line treatment for this purpose. The subanalysis is limited by the relatively small number of events.",
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AU - Douglas, Janice G.

AU - Edelman, Jonathan M.

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N2 - Objectives We report on a subanalysis of the effects of losartan and atenolol on cardiovascular events in black patients in the Losartan Intervention For Endpoint reduction in hypertension (LIFE) study. Background The LIFE study compared losartan-based to atenolol-based therapy in 9,193 hypertensive patients with left ventricular hypertrophy (LVH). Overall, the risk of the primary composite end point (cardiovascular death, stroke, myocardial infarction) was reduced by 13% (p = 0.021) with losartan, with similar blood pressure (BP) reduction in both treatment groups. There was a suggestion of interaction between ethnic background and treatment (p = 0.057). Methods Exploratory analyses were performed that placed LIFE study patients into black (n = 533) and non-black (n = 8,660) categories, overall, and in the U.S. (African American [n = 523]; non-black [n = 1,184]). Results A significant interaction existed between the dichotomized groups (black/non-black) and treatment (p = 0.005); a test for qualitative interaction was also significant (p = 0.016). The hazard ratio (losartan relative to atenolol) for the primary end point favored atenolol in black patients (1.666 [95% confidence interval (CI) 1.043 to 2.661]; p = 0.033) and favored losartan in non-blacks (0.829 [95% CI 0.733 to 0.938]; p = 0.003). In black patients, BP reduction was similar in both groups, and regression of electrocardiographic-LVH was greater with losartan. Conclusions Results of the subanalysis are sufficient to generate the hypothesis that black patients with hypertension and LVH might not respond as favorably to losartan-based treatment as non-black patients with respect to cardiovascular outcomes, and do not support a recommendation for losartan as a first-line treatment for this purpose. The subanalysis is limited by the relatively small number of events.

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KW - CHD

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