Hospitalized patients with chronic heart failure
Conditions
Interventions
1) Usual cardiac rehabilitation 2) Inspiratory muscle training using an inspiratory muscle training device of one set of 20 to 30-time inspirations per day and seven days per week
1) Usual cardiac re
Sponsors
Kitasato University Hoapital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Patients with chronic heart failure who admitted due to decompensated heart failure 2) Aged 20 yrs or older 3) Maximal inspiratory pressure less than 80% of predictive value
Exclusion criteria
Exclusion criteria: 1) Chronic respiratory diseases 2) Received thoracic surgery in the past 3 months 3) Severe pulmonary hypertension 4) Significant myocardial ischemia during low-intensity exercise 5) Acute infective endocarditis, myocarditis and pericaritis 6) Severe symptomatic aortic stenosis and mitral stenosis 7) Hypertrophic obstructive cardiomyopathy 8) Untreated life-threatening arrhythmia 9) Requiring high inotropic support 10) Patients with circulatory assist device 11) Untreated aortic aneurysm or aortic dissection 12) Patients undergoing hemodialysis 13) Short life expectancy due to advanced disease other than heart failure 14) Pregnant, lactational woman or patients may be pregnant
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Exercise tolerance (measuring at baseline, 2 weeks and 16 weeks) | — |
Secondary
| Measure | Time frame |
|---|---|
| Inspiratory muscle strength, ventilatory function, autonomic nervous activity, stress reaction, cardiac function (measuring at baseline, 2 weeks and 16 weeks) Cardiopulmonary effects during the inspiratory muscle training Sub group analysis: age >= 65 yrs, sex, LVEF >= 50%, baseline inspiratory muscle strength >= median value, frailty | — |
Countries
Japan
Contacts
Public ContactNobuaki Hamazaki
Kitasato University Hospital Department of Rehabilitation
Outcome results
None listed