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| Name | Class |
|---|---|
| Ministry of Science and Technology, Taiwan | OTHER_GOV |
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BACKGROUND Global burdens of heart failure (HF) are increasing in modern societies. High-intensity interval training (HIIT) increases peak oxygen consumption (VO2peak) in HF patients, which was hypothesized to improve the survival of HF patients.
OBJECTIVES The cohort study aimed to highlight the effect of HIIT on long-term survivals of HF patients.
METHODS 329 HF patients, enrolled between 2009 and 2016, received multidisciplinary disease management program (MDP). They had cardiopulmonary exercise test for peak exercise capacity (VO2peak), echocardiographic examination for left ventricular ejection fraction (LVEF), LV end-diastolic diameter (LVEDD), and LV end-systolic diameter (LVESD), b-type natriuretic peptide (BNP), and quality of life questionnaire. HF patients with LVEF≤ 40% (HFrEF) and HF patients with LVEF> 40% (HFpEF) underwent≥ 36 times of HIIT. HFrEF and HFpEF patients were classified as the MDP group. Generalized estimating equation (GEE) was used to estimate the interaction between time and VO2peak, LVEF, LVEDD, LVESD, and BNP during the follow-up. Survival analysis was conducted to assess effects of HIIT on the long-term survival of HF during at end of the study.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| HIIT subjects in HFrEF patients | heart failure patients with reduced ejection fraction (HFrEF) received at least 36 times of high-intensity interval training (HIIT) |
| |
| MDP subjects in HFrEF patients | heart failure patients with reduced ejection fraction (HFrEF) received only multidisciplinary disease management program (MDP) and underwent less than 36 times of high-intensity interval training (HIIT) or no exercise training |
| |
| HIIT subjects in HFpEF patients | heart failure patients with preserved ejection fraction (HFpEF) received at least 36 times of high-intensity interval training (HIIT) |
| |
| MDP subjects in HFpEF patients | heart failure patients with preserved ejection fraction (HFpEF) received only multidisciplinary disease management program (MDP) and underwent less than 36 times of high-intensity interval training (HIIT) or no exercise training |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| High-intensity interval training | Behavioral | Patients warmed up for 3 min at 30% of peak oxygen consumption (VO2peak). Five 3-minute intervals at 80% of VO2peak and each interval was separated by 3-minute exercise at 40% of VO2peak. The exercise session was terminated by 3-minute cool-down at 30% of VO2peak. All subjects used a EKG and BP monitors as indicators of the assigned exercise intensity. Borg 6-to-20 scale was used to assess the rate of perceived exertion during and after each exercise session. Patients suffering unstable hemodynamic, ischemic cardiac symptoms/signs, and uncontrolled arrhythmia were instructed to immediately terminate exercise training. |
| Measure | Description | Time Frame |
|---|---|---|
| all-cause death | Any mortality during the study period | 2009/1/1 to 2016/12/31 |
| all-cause re-admission | Any re-admission during the study period | 2009/1/1 to 2016/12/31 |
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Inclusion Criteria:
From January 1st, 2009 to December 31st, 2016, HF patients, defined according to the European society of cardiology, with stable clinical status greater than 4 weeks after optimal treatment were enrolled in the study.
Exclusion Criteria:
Those, who were ≥ 80 years and < 20 years, unable to perform exercise caused by other non-cardiac disease, pregnant, future cardiac transplantation within 6 months, uncompensated HF patients, pacemaker patients, and renal patients with estimated glomerular filtration rate < 30 ml/min/1.73m2, were not candidates in the study. Patients had absolute contraindications for cardiopulmonary exercise test (CPET) and aerobic activities, suggested by the American College of Sports Medicine (ACSM), were also excluded in the study.
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Baseline information of all eligible candidates, including age, gender, body mass index (BMI), and disease duration were recorded. Serum low-density lipoprotein (LDL), creatinine (Cre), high sensitivity C-reactive protein (hs-CRP), glycohemoglobin (Hba1c), and b-type natriuretic peptide (BNP) were evaluated during the follow-up. Each blood sampling for BNP analysis and short form-36 health survey (SF-36) of physical component score (PCS) and mental component score (MCS) for qualities of life were performed just before each cardiopulmonary exercise test and echocardiographic examination.
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| Name | Affiliation | Role |
|---|---|---|
| Chih-Chin Hsu, MD, PhD | Dept. of PM&R, Keelung Chang Gung Memorial Hospital | Principal Investigator |
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| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 22197120 | Result | Fu TC, Wang CH, Lin PS, Hsu CC, Cherng WJ, Huang SC, Liu MH, Chiang CL, Wang JS. Aerobic interval training improves oxygen uptake efficiency by enhancing cerebral and muscular hemodynamics in patients with heart failure. Int J Cardiol. 2013 Jul 15;167(1):41-50. doi: 10.1016/j.ijcard.2011.11.086. Epub 2011 Dec 22. | |
| 23258137 | Result |
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| ID | Term |
|---|---|
| D006333 | Heart Failure |
| D020257 | Ventricular Remodeling |
| ID | Term |
|---|---|
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
| D020763 | Pathological Conditions, Anatomical |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| D000072696 | High-Intensity Interval Training |
| ID | Term |
|---|---|
| D064797 | Physical Conditioning, Human |
| D015444 | Exercise |
| D009043 | Motor Activity |
| D009068 | Movement |
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| Lee MF, Chen WS, Fu TC, Liu MH, Wang JS, Hsu CC, Huang YY, Cherng WJ, Wang CH. Non-invasive cardiac index monitoring during cardiopulmonary functional testing provides additional prognostic value in patients after acute heart failure. Int Heart J. 2012;53(6):364-9. doi: 10.1536/ihj.53.364. |
| D009142 |
| Musculoskeletal Physiological Phenomena |
| D055687 | Musculoskeletal and Neural Physiological Phenomena |