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Pooled analysis of the effect of a highprotein diet compared to a control diet on blood pressure in overweight adults (30+) during a weight loss program?

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Pooled analysis of the effect of a highprotein diet compared to a control diet on blood pressure in overweight adults (30+) during a weight loss program?

Rechten:

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The worldwide prevalence of overweight and obesity among adults is increasing rapidly. Along with overweight, the number of people with hypertension is also increasing worldwide. High blood pressure is a major risk factor for cardiovascular diseases. Some studies suggest that dietary protein intake, especially plant protein has a small beneficial association on blood pressure. However the number of well conducted trials in the field of protein intake and blood pressure during weight loss trials are limited. Aim The aim of this study is to examine the relation between dietary protein intake and changes in blood pressure in overweight adults (30+) during a weight loss trial. Method Weight loss trials that were performed since 2006 at the Amsterdam University of Applied sciences at the Department of Nutrition of Dietetics (Nutritional assessment laboratory) were used for this analysis. Studies were included if there was a control group (hypocaloric diet) and a protein group (hypocaloric diet with high protein intake) and when blood pressure was measured and reported. Three studies were included for the analysis. The results of the studies are shown in a pooled analysis. In this analysis individual studies are combined to measure an overall effect. Results 145 participants were included in the study. No significant differences in systolic and diastolic blood pressure change were found in the three studies between the high protein diet and the control diet. The systolic blood pressure decreased with -7.8 ± 12.2 mmHg in the control group and with -10.9 ± 13.3 mmHg in the intervention group. The diastolic blood pressure decreased with -6.1 ± 7.55 mmHg in the control group and with -6.2 ± 9.39 mmHg in the intervention group. However no significant differences were found in systolic (P=0.144) and diastolic (P=0.926) blood pressure between the control and intervention group. In the two studies that had a significant differences in protein intake, effects on change in blood pressure was stronger, but still not significant. No differences in plant protein intake were found in all three studies between the intervention and control group. Conclusion The present analysis showed a small beneficial non-significant effect of high protein intake on blood pressure reduction in overweight adults (30+) during a weight loss trial.

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OrganisatieHogeschool van Amsterdam
InstituutBewegen, Sport en Voeding
Gepubliceerd in
Jaar2013
TypeBachelorscriptie
TaalEngels

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