At a glance
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Targeting Obesity to Optimize Health in Cardiac Rehab (TOPCARE)
In Brief
A clinical study evaluating Exercise, Health Education, and 5 other interventions for Obesity and 2 related conditions. Completed, enrolled 38 participants across 1 site.
Detailed Summary
Although coronary heart disease (CHD) treatment guidelines recognize obesity as a major modifiable risk factor,2 nearly half of all CHD patients are obese and the current standard of care fails to implement evidence-based obesity treatment for this high-risk population. Multiple lines of evidence suggest that weight loss improves outcomes in CHD patients. The primary goal of this study is to determine the feasibility of adding a 6-month behavioral weight loss intervention to exercise-based cardiac rehabilitation.
Study Details
Timeline
Interventions
Each exercise session lasts for 60 to 90 minutes and consists of 5-10 minutes of warm-up and cool-down activity; up to 30 minutes of aerobic exercise using a variety of modalities (e.g., walking laps on a track, cycle ergometry, treadmills, stair climbers); and 15-20 minutes of upper and lower body resistance exercises using Thera-Bands. An exercise physiologist creates an individualized plan
Group education classes conducted by an exercise physiologist and/or dietitian are designed to provide support and general information on healthy lifestyle behaviors. Topics include risk factor control, diabetes, hypertension, lipids, medications, aerobic exercise, strength training and flexibility, weight control, reading food nutrition labels, eating out, holiday eating, intimacy, stress, relaxation, cardiac symptoms, and cardiac interventions.
Multiple behavioral management strategies to create a positive exercise environment and promote adherence and retention will be utilized. These include promptly contacting participants who miss a session, scheduling makeup sessions, and offering individual counseling sessions to discuss strategies to promote attendance and limit obstacles to participation.
Diet plans will provide a caloric deficit of 500 kcals per day. The lowest calorie level permitted will be 1,100 kcals for women and 1,200 kcals for men. The calorie distribution goal will be 15-20% from protein, \<30% from fat, and 45-60% from carbohydrates. Participants will consume 2 meal replacements per day (Premier Protein shakes and bars); provided by the study)), along with one meal composed of traditional foods (500-750 kcals, low in fat, high in vegetables), and 1-3 snacks as needed (e.g., cereal bar, fruit, or vegetable, providing 100-150 kcals each). For the meal, patients will follow a weekly menu plan and recipes provided by the study. The food plan will be tailored to individual preferences and energy needs.
During months 1-3, participants will attend weekly individual behavioral counseling sessions with the study registered dietitian (RD); individual sessions will be held twice per month during months 4-6. The sessions will focus on self-monitoring, portion control, mindful eating, coping with negative thoughts, eating at regular times, and stress management. The RD will review individual progress, solve problems, answer questions, and set weight loss goals.
Participants will be asked to record their food and beverage intake in daily logs which will be reviewed weekly by the RD to verify compliance to the diet. Body weight will be measured weekly to ensure that participants are losing weight at an appropriate rate. If a participant is not meeting weight loss goals, energy intake will be modified accordingly to produce the desired rate of weight loss.
Participants have one meeting with the Rehab dietitian upon starting.