About this trial
Atrial fibrillation is the most common arrhythmia, with an increasing incidence and prevalence, significantly increasing the risk of death, stroke, heart failure, cognitive impairment, and dementia, severely impacting the quality of life for patients and burdening society and healthcare systems. In recent years, exercise-based cardiac rehabilitation has gradually become a new approach for the treatment of patients with heart disease. The main research topics include: 1. Changes in atrial fibrillation burden in non-permanent atrial fibrillation patients after 12 weeks of HIIT(high-intensity interval training ) or MIIT (moderate-intensity interval training). 2. Changes in cardiorespiratory fitness, quality of life scores, mental health assessment scores, atrial strain, and left ventricular diastolic function in non-permanent atrial fibrillation patients after 12 weeks of aerobic interval training, along with follow-up on the occurrence of exercise-related adverse events and adverse cardiovascular events during the study period.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age range: 18-74 years;
Patients with non-permanent atrial fibrillation;
Resting heart rate ≤110 beats/min;
No history of receiving a formal exercise prescription within the past six months;
Disqualifiers
History of myocardial infarction, endocarditis/myocarditis/pericarditis, stroke (ischemic/hemorrhagic), pulmonary embolism, lower extremity venous thrombosis, or cardiac surgery within the past 6 months;
Moderate to severe pulmonary arterial hypertension, moderate to severe valvular heart disease, hypertrophic cardiomyopathy, aortic stenosis/dilation/dissection/intramural hematoma, congenital heart disease;
Heart failure (NYHA class III-IV) or acute exacerbation of heart failure within the past 3 months;
Unstable angina or severe coronary artery disease without revascularization;
Trial design
Parallel
Treatments tested in this trial
high-intensity interval training
Other interventionhigh-intensity interval training : 40-50 minutes, patients engage in power cycling with intervals of high-intensity exercise at 75%-100% of VO2peak for 30s-1min, followed by 30s-1min of passive recovery, totaling 15-25 cycles.
moderate-intensity interval training
Other intervention40-50 minutes, involves power cycling with 8 minutes of moderate-intensity exercise at 40%-60% of VO2peak followed by 2 minutes of passive recovery, totaling 4 cycles.
Treatment groups
Trial outcomes
Primary outcomes
atrial fibrillation burden
The ratio of atrial fibrillation duration to total monitoring time
Secondary outcomes
Cardiorespiratory fitness
Peak oxygen consumption (VO2peak)
Severity of atrial fibrillation symptoms
Atrial Fibrillation Symptom EHRA Score
General quality of life assessment
SF-36 Quality of Life Questionnaire
Prognostic indicators
MACE is defined as death, rehospitalization, cardiogenic shock, heart failure, new-onset malignant arrhythmias, stroke, and acute coronary syndrome
Sponsors and contacts
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