Congenital Heart Disease Clinical Trial
Official title:
Effect of Muscle Strengthening Training in Adults With Fontan Circulation Compared to Healthy Controls
Aim: to evaluate the effect of muscle strengthening exercise training in adults with Fontan circulation compared to healthy controls. Hypothesis: adults with Fontan circulation have a relatively lower effect of muscle strengthening exercise training compared to healthy controls.
Status | Recruiting |
Enrollment | 20 |
Est. completion date | November 30, 2023 |
Est. primary completion date | November 30, 2023 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Age minimum 18 years - Patients: Congenital heart disease (Fontan circulation, univentricle heart) - Controls: no known congenital heart disease. Exclusion Criteria: - Muscle strenghtening exercise training at regular basis (2 times/week or more) - Active disease or other condition that affect exercise training (e.g. rheumatoid arthritis) - Cognitive or psychological affection - Other conditions that affect independent decision-making competence |
Country | Name | City | State |
---|---|---|---|
Sweden | Umeå University Hospital | Umeå |
Lead Sponsor | Collaborator |
---|---|
Umeå University |
Sweden,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change in muscle oxygenation kinetics evaluated with near-infrared spectroscopy (NIRS). | Muscle oxygenation kinetics will be evaluated with near-infrared spectroscopy (NIRS) (PortaLite mini, Artinis medical system BV, Netherlands). With light in the near infrared spectra it is possible to measure oxygenated and deoxygenated haemoglobin within the muscle. the muscle oxygenation kinetics till be evaluated pre, during and post exercise of muscle endurance in shoulder flexion and heel raise. | 10 weeks | |
Secondary | Change of isometric muscle strength | Isometric muscle strength in elbow flexion and knee extension will be assessed with a load cell amplifier (VZ101BH 500kg, Anyload Weigh & Measure Inc.,NJ, US). Maximal muscle contraction will be performed during five seconds. The test is repeated three times with a one-minute rest in between. Isometric grip strength will be assessed with a handheld dynamometer (JAMAR, Lafayette, IN, USA). The handle is pressed during three seconds and the test is repeated three times, with a one-minute rest in between. The tests are performed at baseline and at follow up after 10 weeks muscle training exercise protocol. | 10 weeks | |
Secondary | Change of muscular endurance | Muscle endurance in shoulder flexion will be assessed with a dumbbell (women 2 kg, men 3 kg) and performed in pace with a metronome, 20 contractions per minute (40 beats per minute). Muscle endurance in the calf muscles will be assessed with heel raise with 10 degrees dorsal flexion in the ankle. The test is performed in pace with a metronome with 30 contractions per minute (60 beats per minute). To evaluate muscle endurance in elbow flexion and knee extension, the test person lifts a weight representing 80% of repetition maximum measured at isometric strength. During all tests, the test person performs as many contractions as possible. | 10 weeks | |
Secondary | Change of muscle mass | Evaluation of muscle mass and muscle density is performed with peripheral quantitative computed tomography (PQCT) which analyse cross section of under arms and lower legs with a low radiation dose (0.01 mSV). | 10 weeks | |
Secondary | Change of aerobic exercise capacity | Cardiopulmonary exercise tests (CPET) are performed according to standardised protocols with incremental increase of workload. During CPET oxygen and carbon dioxide is measured continuously in the inhaled and exhaled air. Peak watt and peak oxygen uptake capacity (peak VO2) is noted. CPET is used to evaluate the effect of muscle strengthening exercise on the aerobic capacity. | 10 weeks |
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