Dietary Intervention to Improve Health of Cardiovascular Patients
Study Details
Study Description
Brief Summary
Voed je Beter is a randomized, multicenter, controlled trial to examine whether personalized guidance to increase adherence to the Dutch dietary guidelines, compared to usual care, improves health of cardiovascular patients who receive regular medical treatment.
| Condition or Disease | Intervention/Treatment | Phase |
|---|---|---|
|
N/A |
Detailed Description
Voed je Beter is a randomized, multicenter, controlled trial to examine whether a personalized intervention to increase adherence to the Dutch dietary guidelines, compared to usual clinical care, improves health of cardiovascular patients on top of medical treatment.
Patients previously diagnosed with cardiovascular disease are randomized into two parallel groups: the intervention or the usual care group. The intervention consists of personalized guidance from a dietician focussing on improving adherence to the Dutch dietary guidelines during a period of six months. The control group receives usual clinical care.
At baseline, three months, six months, and 12 months measurements will be performed. Primary outcome data will be collected at 6 months. After 12 months, additional data will be collected to assess the prolonged effects of the intervention. The primary outcome of interest is the difference in SMART Risk Score between the intervention and usual care group from baseline till six months.
Secondary outcomes are differences in SMART Risk Score at three months and twelve months; systolic blood pressure, diastolic blood pressure and cardiovascular parameters; diet quality, salt intake, vitamin levels in blood; body weight and waist circumference; renal function; quality of life; sleep; self-efficacy; mental health and medication use. In addition, an economic evaluation is carried out.
Study Design
Arms and Interventions
| Arm | Intervention/Treatment |
|---|---|
| Experimental: Intervention group The intervention will consist of personalized guidance from a dietician focussing on improving adherence to the Dutch dietary guidelines. |
Behavioral: Dietary counselling
Participants assigned to the intervention group will receive coaching from a dietitian to improve adherence to the Dutch dietary guidelines. Several behavioral change techniques will be used.
|
| No Intervention: Usual care group The usual care group will not receive any special guidance regarding healthy nutrition, but will have access to their care team as usual. |
Outcome Measures
Primary Outcome Measures
- Second manifestations of arterial disease (SMART) Risk Score [baseline till six months]
Estimate for 10-year risk for recurrent vascular events (range 0-100%), higher scores mean a worse outcome
Secondary Outcome Measures
- Second manifestations of arterial disease (SMART) Risk Score [baseline till three months, baseline till twelve months]
Estimate for 10-year risk for recurrent vascular events (range 0-100%), higher scores mean a worse outcome
- Systolic and diastolic blood pressure [baseline, three months, six months and twelve months]
Blood pressure measurements following the recommendations for home blood pressure measurement by the European Society of Hypertension, meaning duplicate morning and evening measurements for 7 days.
- Diabetic parameters [baseline, three months, six months and twelve months]
Insulin and glucose in mmol/L
- Cardiovascular parameters [baseline, three months, six months and twelve months]
Total cholesterol, HDL-cholesterol, LDL-cholesterol and triglycerides in mmol/L
- Inflammation marker [baseline, three months, six months and twelve months]
HsCRP mg/l
- Diet quality assessed by the Dutch Helathy Diet Index 2015 score (Eetscore-FFQ) [baseline, three months, six months and twelve months]
Dutch Healthy Diet Index 2015 score (range 0-160 points, higher scores mean better outcome), assessed by a short Food Frequency Questionnaire.
- Salt intake [baseline, six months]
24-hour urinary sodium excretions.
- Vitamin status [baseline, six months]
Serum vitamin B6, B12, folate and vitamin D.
- Renal function [baseline, three months, six months and twelve months]
eGFR and albumin/creatinine ratio.
- Anthropometric measurements [baseline, three months, six months and twelve months]
Body weight (in kilograms; weight and height will be combined to report BMI in kg/m^2)
- Anthropometric measurements [baseline, three months, six months and twelve months]
Heigth (in meters; weight and height will be combined to report BMI in kg/m^2)
- Anthropometric measurements [baseline, three months, six months and twelve months]
Waist circumference (in centimeters)
- Self-reported quality of life [baseline, three months, six months and twelve months]
36-Item Short Form Health Survey questionnaire, a high score defines a more favorable health state.
- Self-efficacy assessed by the Dutch general self-efficacy scale [baseline, three months, six months and twelve months]
Dutch general self-efficacy scale (range 10-40), a higher scores mean a more positive self-efficacy
- Mental status: self-rating happiness [baseline, three months, six months and twelve months]
Single-item on a 7-point Likert scale
- Mental status: self rated health [baseline, three months, six months and twelve months]
Single- item on a 5-point scale
- Mental status: dispositional optimism [baseline, three months, six months and twelve months]
Life Orientation Test-Revised (LOT-R) 10-item questionnaire. The LOT-R sum score that ranges from 0 to 24, with higher scores indicating greater optimism.
- Mental status: anxiety and depression symptoms [baseline, three months, six months and twelve months]
The Patient Health Questionnaire-9 (PHQ-9) is a 9-item depression module. The total score ranges from 0 to 27, with higher scores indicating higher severity of depressive symptoms
- Mental status: depression symptoms [baseline, three months, six months and twelve months]
The Hospital Anxiety and Depression Scale (HADS) is a 14-item self-report screening scale with a score ranging from 0 to 21. Higher scores indicating higher severity of anxiety or depressive symptoms.
- Evaluation from an economic perspective: quality of life [baseline, three months, six months and twelve months]
EuroQol- 5 Dimension questionnaire, the iMedical Consumption Questionnaire and the iProductivity Cost Questionnaire.
- Evaluation from an economic perspective: productivity costs [baseline, three months, six months and twelve months]
The iProductivity Cost Questionnaire.
- Evaluation from an economic perspective: medical consumption [baseline, three months, six months and twelve months]
The iMedical Consumption Questionnaire
- Medication use [baseline, three months, six months and twelve months]
iMedical Consumption Questionnaire.
- Sleep quality assessed by the Pittsburgh sleep quality index (PSQI) [baseline, three months, six months and twelve months]
The PSQI ranges from 0 to 21. A global score of 5 or more indicates poor sleep quality; the higher the score, the worse the quality.
Eligibility Criteria
Criteria
Inclusion Criteria:
-
A previously diagnosed cardiovascular disease, including acute coronary disease syndrome, angina pectoris, coronary revascularization, TIA, stroke, symptomatic aortic iliofemoral atherosclerosis, aortic aneurysm, intermittent claudication or peripheral revascularization.
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Over 18 years of age
Exclusion Criteria:
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Uses medication for treatment of diabetes
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A known hereditary form of cardiovascular diseases
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Chronic kidney disease stage 4 or above (eGFR<30)
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Participation in another research study of which the outcomes may interfere with the current trial
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Not able to speak and understand the Dutch language
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Unable/unwilling to comply with the intervention
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Active treatment for cancer
Contacts and Locations
Locations
| Site | City | State | Country | Postal Code | |
|---|---|---|---|---|---|
| 1 | Johanna M. Geleijnse, PhD | Wageningen | Gelderland | Netherlands | 6708 PD |
Sponsors and Collaborators
- Wageningen University
- Gelderse Vallei Hospital
- Rijnstate Hospital
Investigators
None specified.Study Documents (Full-Text)
None provided.More Information
Publications
None provided.- NL73021.091.20