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Effect of a low sodium DASH diet, including red meat on blood pressure in post-menopausal women

Nowson, C., Wattanapenpaiboon, N. and Pachett, A. 2007, Effect of a low sodium DASH diet, including red meat on blood pressure in post-menopausal women, in NZNS & NSA 2007 : Joint New Zealand Nutrition Society and Nutrition Society of Australia Annual Scientific Meeting, Nutrition Society of Australia, Kent Town, S. Aust., pp. 53-53.

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Title Effect of a low sodium DASH diet, including red meat on blood pressure in post-menopausal women
Author(s) Nowson, C.
Wattanapenpaiboon, N.
Pachett, A.
Conference name New Zealand Nutrition Society and Nutrition Society of Australia. Joint Scientific Meeting (31st : 2007 : Auckland, New Zealand)
Conference location Auckland, N.Z.
Conference dates 5-8 Dec. 2007
Title of proceedings NZNS & NSA 2007 : Joint New Zealand Nutrition Society and Nutrition Society of Australia Annual Scientific Meeting
Publication date 2007
Start page 53
End page 53
Publisher Nutrition Society of Australia
Place of publication Kent Town, S. Aust.
Summary Background – The DASH type dietary pattern which consists of high fruit, vegetable and dairy products and low saturated fat, is “base-producing” but restricts red meat with no clear justification.
Objective – To compare the BP-lowering effect of Vitality diet (VD), a moderately low sodium, “base” producing modified DASH diet, containing 6 serves/week of lean red meat to a “ high carbohydrate, low fat diet (HCLF diet), with a higher dietary acid load in post-menopausal women.
Design – Ninety-five hypertensive post-menopausal women (46 VD and 49 HCLF) completed a 14-wk randomised parallel study. Home BP was measured daily. Repeat 24-h dietary records and 24-h urine samples were collected fortnightly. Dietary acid load, expressed as potential renal acid load (PRAL), was calculated from nutrient intakes.
Outcomes – During the intervention, the VD group had an average daily consumption of 85 g cooked red meat. They had a mean (± SEM) reduction of 38 ± 7 mmol/d in urinary sodium excretion (P <0.0001), and a 7 ± 4 mmol/d increase in urinary potassium (P = 0.0681), with an estimated 23.1± 2.3 mEq/d lower PRAL than the HCLF group (P <0.0001). The fall in systolic pressure in the VD group tended to be greater by 3 ± 2 mmHg (P = 0.08) than the fall in systolic pressure seen with the HCLF diet. A greater BP-lowering effect of VD was observed among those taking anti-hypertensive medication (n = 17) with a greater 5.5 ± 2.7 mm Hg (P = 0.0518) reduction of systolic BP and greater reduction in diastolic BP by 3.6 ± 1.7 mm Hg (P = 0.0388) compared to the HCLF diet. However, no relationship between BP and PRAL was observed.
Conclusions – A low sodium DASH type dietary pattern with the inclusion of lean red meat was effective in reducing BP in post-menopausal women, particularly in those taking anti-hypertensive medication. This dietary pattern could be recommended for this group who are at increased risk of cardiovascular disease.
This study was funded by Meat & Livestock Australia.
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ISSN 0314-1004
Language eng
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
Socio Economic Objective 920411 Nutrition
HERDC Research category E3 Extract of paper
Copyright notice ©2007, Nutrition Society of Australia
Persistent URL http://hdl.handle.net/10536/DRO/DU:30014906
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