The DASH diet enhances the blood pressure response to losartan in hypertensive patients

Paul R. Conlin, Thomas P. Erlinger, Arline Bohannon, Edgar R Miller, Lawrence Appel, Laura P. Svetkey, Thomas J. Moore

Research output: Contribution to journalArticle

Abstract

Background: The Dietary Approaches to Stop Hypertension (DASH) diet, which emphasizes fruits, vegetables, and low fat dairy products, significantly lowers blood pressure (BP). We conducted a clinical trial to assess the BP response to the DASH diet with an antihypertensive medication, losartan, in participants with essential hypertension. Methods: A total of 55 hypertensive participants were randomly assigned to 8 weeks of controlled feeding with either a control diet or the DASH diet. Within each diet arm, participants received losartan 50 mg daily or placebo for 4 weeks each, in double blind, randomized, cross-over fashion. Twenty-four-hour ambulatory BP (ABP) was measured at the end of a 2-week run-in period (baseline) and after each 4-week intervention period. Results: There was no significant change in ABP during the placebo period on the control diet (n = 28) (-2.3 ± 1.5/-1.6 ± 1.0 mm Hg), but there was a significant reduction in systolic ABP (-5.3 ± 1.5 mm Hg, P <.05) and no change in DBP (-2.5 ± 1.0 mm Hg) on the DASH diet (n = 27). Losartan significantly reduced ABP on the control diet (-6.7 ± 1.5/-3.7 ± 1.0 mm Hg, P <.05) and to a greater extent on the DASH diet (-11.7 ± 1.5/-6.9 ± 1.0 mm Hg, P <.05 versus basal and control diet) particularly in African Americans. On the DASH diet, ΔSBP on losartan was inversely related to basal plasma renin activity (n = -0.53, P = .004). Conclusions: The DASH diet enhances the ABP response to losartan in essential hypertension. This effect is particularly marked in African Americans.

Original languageEnglish (US)
Pages (from-to)337-342
Number of pages6
JournalAmerican Journal of Hypertension
Volume16
Issue number5 I
DOIs
StatePublished - May 1 2003

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Losartan
Diet
Blood Pressure
Hypertension
African Americans
Placebos
Dairy Products
Renin
Vegetables
Antihypertensive Agents
Fruit
Fats
Clinical Trials

Keywords

  • Blood pressure
  • DASH diet
  • Hypertension
  • Losartan

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

The DASH diet enhances the blood pressure response to losartan in hypertensive patients. / Conlin, Paul R.; Erlinger, Thomas P.; Bohannon, Arline; Miller, Edgar R; Appel, Lawrence; Svetkey, Laura P.; Moore, Thomas J.

In: American Journal of Hypertension, Vol. 16, No. 5 I, 01.05.2003, p. 337-342.

Research output: Contribution to journalArticle

Conlin, Paul R. ; Erlinger, Thomas P. ; Bohannon, Arline ; Miller, Edgar R ; Appel, Lawrence ; Svetkey, Laura P. ; Moore, Thomas J. / The DASH diet enhances the blood pressure response to losartan in hypertensive patients. In: American Journal of Hypertension. 2003 ; Vol. 16, No. 5 I. pp. 337-342.
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