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A prospective intervention study to evaluate the effectiveness of the developed toolset for remote physical activity monitoring to improve arterial stiffness and other cardiometabolic parameters and to increase physical activity levels and the compliance to the prescribed exercise in individuals with metabolic syndrome.
At first, all subjects of the prospective study participated in the 2-month outpatient aerobic exercise program, which consisted of 40 aerobic training sessions on a cycle ergometer 5 times/week for 40 min. During all training sessions, heart rate was maintained at the targeted level, which was obtained individually by cardiopulmonary test. After 2 months, during individual motivational consultations, all participants received recommendations for home-based training and were randomly allocated to the intervention or the control group. Then only the intervention group subjects participated in the 6-month home-based aerobic exercise program using a wearable heart rate monitor, which was connected to the smartphone via Bluetooth. The intervention group subjects used a smartphone application created for the study. The control group participants were asked to exercise at home for 6 months without wearables and smartphone application. The evaluation of the study participants was performed at baseline (1st visit), after 2 months (2nd visit) and after 8 months (3rd visit).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Intervention group | Experimental | Individuals participated in the 2-month outpatient aerobic exercise training program, which consisted of 40 training sessions on a cycle ergometer 5 times/week for 40 min. Then during motivational consultation, individuals received recommendations for healthy lifestyle and home-based training. After that, study subjects participated in the 6-month home-based aerobic exercise program using wearable device (heart rate monitor), which was connected to the smartphone via Bluetooth. A special smartphone application enabled participants to keep their training heart rate during home-based exercises (or workouts). |
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| Control group | No Intervention | Individuals participated in the 2-month outpatient aerobic exercise training program, which consisted of 40 training sessions on a cycle ergometer 5 times/week for 40 min. Then during motivational consultation, individuals received recommendations for healthy lifestyle and home-based training. After that, study subjects participated in the 6-month home-based aerobic exercise program without wearable devices and smartphone application. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Usage of a wearable heart rate monitor and a smartphone with the application for home-based exercises | Device | Physical activity self-monitoring using a wearable heart rate monitor and a smartphone with specially designed application |
| Measure | Description | Time Frame |
|---|---|---|
| Changes in carotid-radial pulse wave velocity and carotid-femoral pulse wave velocity | Measured by applanation tonometry (SphygmoCor, ArtCor Medical, Sydney, Australia), all in m/s. | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in mean blood pressure in the aorta, mean blood pressure in the brachial artery and pulse pressure in the aorta | Measured by applanation tonometry (SphygmoCor, ArtCor Medical, Sydney, Australia), all in mmHg. | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in cardio-ankle vascular index | Measured by VaSera-1000 (Fukuda, Denshi, Japan). | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in common carotid artery intima-media thickness | Measured by performing a carotid artery ultrasound (in μm). | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in carotid artery ß stiffness index | Measured by performing a carotid artery ultrasound. | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in maximal oxygen consumption (VO2max) | Measured by performing a cardiopulmonary exercise test (Vmax® Encore 229, SensorMedics, USA) in ml/kg/min. |
| Measure | Description | Time Frame |
|---|---|---|
| Changes in the levels of objectively measured physical activity | Total duration of physical activity (in minutes) and duration of physical activity divided by the type and timing of workout (in minutes) were measured by the real-time physical activity data received through the smartphone application. | After 6 months (between 2nd and 3rd visit) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Aleksandras Laucevicius, PhD | Clinic of Cardiac and Vascular Diseases, Faculty of Medicine, Vilnius University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Outpatient clinic "InMedica" | Vilnius | LT-08406 | Lithuania |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 37625386 | Derived | Zupkauskiene J, Lauceviciene I, Ryliskyte L, Navickas P, Kizlaitis R, Laucevicius A. Ambulatory and successive home-based heart rate targeted aerobic training improves arterial parameters: a follow-up study in people with metabolic syndrome. Ann Med. 2023;55(2):2250363. doi: 10.1080/07853890.2023.2250363. |
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| ID | Term |
|---|---|
| D024821 | Metabolic Syndrome |
| D009043 | Motor Activity |
| ID | Term |
|---|---|
| D007333 | Insulin Resistance |
| D006946 | Hyperinsulinism |
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
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| After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in the levels of metabolic equivalents of task (METs) | Measured by performing a cardiopulmonary exercise test (Vmax® Encore 229, SensorMedics, USA) in METs. | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in heart rate at rest and training heart rate | Measured by performing a cardiopulmonary exercise test (Vmax® Encore 229, SensorMedics, USA) in bpm. | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in lipids and glucose levels in the blood | Total cholesterol, triglycerides, low density lipoprotein-cholesterol, high density lipoprotein-cholesterol levels and fasting glucose were measured in blood samples (all in mmol/L). | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in C-reactive protein levels in the blood | Measured in blood samples (in mg/L). | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in body mass index (BMI) | Weight (kg) and height (m) were measured to report BMI in kg/m^2. | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in waist circumference | Waist circumference was measured in cm. | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in blood pressure parameters | Systolic and diastolic blood pressure (in mmHg) were measured in a sitting position using oscillometric device. | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in the status of cardiovascular risk factors | Smoking status (smoking < 10 cigarettes/day (yes/no), smoking > 10 cigarettes/day (yes/no), non-smoking (yes/no), smoking cessation (yes/no)), arterial hypertension status (yes/no), dyslipidaemia status (yes/no) were assessed in medical records. | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in health-related quality of life | Health-related quality of life was evaluated by the Medical Outcomes Study 36-Item Short-Form Health Survey. In this questionnaire, each domain of health-related quality of life is scored from 0 to 100 (100 points show the best estimate). | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in motivation for physical activity | The motivation for physical activity was evaluated by the Exercise Motivations Inventory-2 (EMI-2). In this questionnaire, the answer to each statement is given on a six-step scale from 0 points ("not at all true for me") to 5 points ("very true for me"). Higher mean scores in the appropriate items of the 14 subscales indicate better result. | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in the levels of anxiety and depression | The levels of anxiety and depression were evaluated by the Hospital Anxiety and Depression scale, where 8-10 scores indicate mild, 11-14 scores - moderate, and 15-21 scores - severe anxiety or depression. | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in the levels of self-reported physical activity | The levels of self-reported physical activity (in minutes/week) were measured by using the International Physical Activity Questionnaire short form (IPAQ-sf). Higher values indicate better result. | After 2 months (between 1st and 2nd visit), after 6 months (between 2nd and 3rd visit), after 8 months (between 1st visit and 3rd visit) |
| Changes in the number of workouts | Total number of workouts and number of workouts divided by the type and timing of workout were measured by the real-time physical activity data received through the smartphone application. | After 6 months (between 2nd and 3rd visit) |
| Changes of compliance to the prescribed exercise in terms of workout duration | The average workout duration (in minutes) was measured by the real-time physical activity data received through the smartphone application. Higher values indicate better compliance. | After 6 months (between 2nd and 3rd visit) |
| Changes of compliance to the prescribed exercise in terms of intensity | The proportion (%) of the workout time in prescribed exercise intensity was measured by the real-time physical activity data received through the smartphone application. Higher values indicate better compliance. | After 6 months (between 2nd and 3rd visit) |
| D009750 |
| Nutritional and Metabolic Diseases |
| D001519 | Behavior |