Effects of low salt weight loss diets on the way blood vessels work
Not Applicable
Completed
- Conditions
- Overweight or obeseBlood vessel function: flow mediated dilatation, pulse wave velocity and augmentation and blood pressureDiet and Nutrition - Obesity
- Registration Number
- ACTRN12614001334695
- Lead Sponsor
- niversity of South Australia
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 30
Inclusion Criteria
overweight to obese (BMI greater than or equal to 27 kg/m2) men and women, weight stable within the last 6 months, BP (SBP) <160 mmHg and (DBP) <90 mmHg
Exclusion Criteria
BMI less than 27 kg/m2, serious illness e.g. Cancer, liver or kidney disease or not willing or able to follow diet for the study period, alcohol intake above 1 standard drink/day and not willing to decrease intake
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Flow mediated dilatation (FMD) of the brachial artery will be measured using ultra sound<br>[baseline, 8 weeks after either control or weight loss and after 2 weeks weight stability];Pulse wave velocity (PWV) and augmentation index(AI) will be measured using a SphygmoCor Registered Trademark XCEL (AtCor Medical)[Baseline, 8 weeks weight loss/ controlm period and after 2 weeks weight stability];Blood pressure (BP) will be measured using and automated sphygmomanometer[baseline, 8 weeks after either control or weight loss and after 2 weeks weight stability]
- Secondary Outcome Measures
Name Time Method 24h urine sodium, potassium will be measures in a certified commercial laboratory[baseline, 8 weeks after either control or weight loss and after 2 weeks weight stability];Bloods for Plasma sodium & potassium, nitrates/nitrites, ICAM-1 & VCAM-1, E-selectin & endothelin-1[baseline, 8 weeks after either control or weight loss and after 2 weeks weight stability];Weight, height and waist circumference[All visits]