Arteriosclerosis, Coronary Clinical Trial
Official title:
Effects of Aquatic Aerobic Training on Body Composition and Cardiorespiratory and Metabolic Variables in Patients With Coronary Artery Disease
Verified date | August 2014 |
Source | Universidade Metodista de Piracicaba |
Contact | n/a |
Is FDA regulated | No |
Health authority | Brazil: Ethics Committee |
Study type | Interventional |
Although approaches to reduce cardiovascular disease, coronary artery disease (CAD) remains the leading cause of mortality in the industrialized world. In order to reduce the deleterious effects of the atherosclerotic process, proposals for non-pharmacological treatment have been used, such as cardiac rehabilitation programs, with emphasis on exercise -based therapy. Traditionally aerobic exercises like biking, walking and jogging are conducted, however, alternative ways such as aquatic exercise training have been proposed, however, the cardiorespiratory adaptations in this population are not well documented in the literature. Thus, the aim of this study was to evaluate the effects of aquatic aerobic training (AAT) on body composition, autonomic modulation of heart rate (HR) and cardiorespiratory and metabolic variables in patients with CAD. This was a longitudinal clinical trial with a sample allocated for convenience, in which twenty-one patients were male, with a diagnosis of CAD, which were divided into control group (CG were studied, n=8), who was only assessed, and training group (TG, n=13). All patients underwent assessment of body composition, heart rate variability (HRV) at rest in the supine posture, and cardiopulmonary exercise testing (CPET), performed before and after the AAT program. The training protocol consisted of three sessions per week on alternate days for 16 weeks, totaling 48 sessions, which had lasted approximately one hour. The exercise intensity was prescribed between 80 and 110% of the first ventilatory threshold (VT1) obtained in CPET. Given that these parameters represent risk markers for cardiovascular events in the population studied, the results suggest that the AAT proposed in this study may be an important therapeutic strategy to be incorporated into cardiac rehabilitation programs.
Status | Completed |
Enrollment | 21 |
Est. completion date | March 2014 |
Est. primary completion date | October 2013 |
Accepts healthy volunteers | No |
Gender | Male |
Age group | 50 Years to 70 Years |
Eligibility |
Inclusion Criteria: - diagnosis by angiography - sedentaries - family story of cardiac disease - obesity Exclusion Criteria: - frequent arrhythmias at rest - triggered by physical effort - unstable angina - chronic obstructive pulmonary disease - insulin-dependent diabet - renal failure - sequel of stroke - uncontrolled hypothyroidism - water phobia - skin infections, allergic reactions to chlorine, - urinary incontinence and - musculoskeletal and neuromuscular disorders precluding physical tests and training sessions |
Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Outcomes Assessor), Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
Brazil | Universidade Metodista de Piracicaba | Piracicaba | São Paulo |
Lead Sponsor | Collaborator |
---|---|
Universidade Metodista de Piracicaba |
Brazil,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Oxygen uptake | Change in oxygen uptake is assessed by comparing the oxygen uptake at baseline and after a 16 weeks of aerobic water and land based physical training. | 16 Weeks | Yes |
Primary | Change in autonomic system modulation | Change in autonomic system modulation in assess by comparing the heart rate variability at baseline and after a 16 weeks of aerobic water and land based physical training. | baseline and 16 weeks | Yes |
Secondary | Change in body composition | Change in body composition is assess by comparing the body composition at baseline and after a 16 weeks of aerobic water and land based physical training. | baseline and 16 weeks | Yes |
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