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February 8, 1999Archives of Internal Medicine

Effects of Dietary Patterns on Blood Pressure

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Why the study?

Does the DASH combination diet reduce blood pressure in adults with untreated systolic blood pressure <160 mm Hg and diastolic blood pressure 80-95 mm Hg?

Population

459 adults with untreated systolic blood pressure less than 160 mm Hg and diastolic blood pressure 80 to 95…

Comparison

8 weeks of a diet rich in fruits and vegetables… vs 8 weeks of a control diet

Design

RCT, randomized

Follow-up

8 weeks

Authors

LSLaura P. Svetkey

Discussion

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Overview

Supports DASH diet for BP lowering in untreated mild hypertension; extends efficacy to African Americans and hypertensives without sodium restriction.

Structured PICO

Does the DASH combination diet reduce blood pressure in adults with untreated systolic blood pressure <160 mm Hg and diastolic blood pressure 80-95 mm Hg?

P
Population
459 adults with untreated systolic blood pressure less than 160 mm Hg and diastolic blood pressure 80 to 95 mm Hg
I
Intervention
8 weeks of a diet rich in fruits and vegetables, or a combination diet rich in fruits, vegetables, and low-fat dairy foods, and reduced in saturated fat, total fat, and cholesterol (the DASH combination diet)
C
Comparator
8 weeks of a control diet
O
Outcome
Change in diastolic blood pressuresurrogate

The DASH combination diet significantly lowers blood pressure across virtually all subgroups, with particularly strong effects in African Americans and hypertensive individuals, without requiring sodium reduction or weight loss.

Cite This Study

Laura P. Svetkey (1999) studied this question.

synapsesocial.com/papers/6a0255ce809925d9aa11a578https://doi.org/10.1001/archinte.159.3.285
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