Effects of dietary fish and weight reduction on ambulatory blood pressure in overweight hypertensives

D.Q. Bao, Trevor Mori, Valerie Burke, Ian Puddey, Lawrence Beilin

Research output: Contribution to journalArticle

167 Citations (Scopus)

Abstract

Obesity is a major factor contributing to hypertension and increased risk of cardiovascular disease. Regular consumption of dietary fish and omega 3 fatty acids of marine origin can lower blood pressure (BP) levels and reduce cardiovascular risk. This study examined the potential effects of combining dietary fish rich in omega 3 fatty acids with a weight loss regimen in overweight hypertensive subjects, with ambulatory BP levels as the primary end point. Using a factorial design, 69 overweight medication-treated hypertensives were randomized to a daily fish meal (3.65 g omega 3 fatty acids), weight reduction, the 2 regimens combined, or a control regimen for 16 weeks. Sixty-three subjects with a mean+/-SEM body mass index of 31.6+/-0.5 kg/m(2) completed the study. Weight fell by 5.6+/-0.8 kg with energy restriction. Dietary fish and weight loss had significant independent and additive effects on 24-hour ambulatory BP. Effects were greatest on awake systolic and diastolic BP (P
Original languageEnglish
Pages (from-to)710-717
JournalHypertension
Volume32
DOIs
Publication statusPublished - 1998

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