effects of resistance training on heart rate variability in patients with heart failure

Comparing the acute effects of resistance exercise with intensity of 50%1RM and 75%1RM on heart rate variability in patients with heart failure

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20190605043821N1

Enrollment

Registered

2019-08-06

Start date

2019-08-07

Completion date

Unknown

Last updated

2021-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

heart failure. Systolic (congestive) heart failure

Interventions

Intervention 1: Intervention group1: resistance exercise with the intensity of 50%1RM: a single exercise session includes 5 minutes warm-up, 15 minutes of aerobic exercise with the intensity of 50% he

Eligibility

Sex/Gender

All

Age

45 Years to 75 Years

Inclusion criteria

Inclusion criteria: class II, III of stable heart failure patients stable and optimal medical treatment BMI 25-35 kg/m2 Hemoglobin >12(women) and >13(men) duration of heart failure: 1-4 years Ejection Fraction: <40% age : 45-75 year

Exclusion criteria

Exclusion criteria: unstable conditions such as complex ventricular arrhythmia, unstable angina pacemaker myocardial infarction during last year cardiac surgery during last 6 months impairment in which exercise is not safe such as orthopedic ... cognitive impairments

Design outcomes

Primary

Measure	Time frame
Heart rate variability(time and frequency domain). Timepoint: before and immediately after the intervention. Method of measurement: ECG Holter monitoring.;Quality of Life. Timepoint: before the intervention. Method of measurement: Minnesota Living with Heart Failure(MLHF) Questionnaire.;Dyspnea. Timepoint: before the intervention. Method of measurement: Modified Medical Research Council Dyspnea Scale(MRC).;Fatigue severity. Timepoint: before the intervention. Method of measurement: Fatigue Severity Scale (FSS).;Blood pressure. Timepoint: before and immediately after the intervention. Method of measurement: sphygmomanometer.;Heart rate. Timepoint: before and immediately after the intervention. Method of measurement: Qardio-core and ECG Holter monitoring.;Muscle strength. Timepoint: before and immediately after the intervention. Method of measurement: ?Digital dynamometery.;Rate Pressure Product. Timepoint: before and immediately after the intervention. Method of measurement: heart rate×systolic blood pressure.;Psychological response to the exercise stimulus. Timepoint: before and immediately after the intervention. Method of measurement: subjective exercise experience scale (SEES).	—

Measure

Time frame

Heart rate variability(time and frequency domain). Timepoint: before and immediately after the intervention. Method of measurement: ECG Holter monitoring.;Quality of Life. Timepoint: before the intervention. Method of measurement: Minnesota Living with Heart Failure(MLHF) Questionnaire.;Dyspnea. Timepoint: before the intervention. Method of measurement: Modified Medical Research Council Dyspnea Scale(MRC).;Fatigue severity. Timepoint: before the intervention. Method of measurement: Fatigue Severity Scale (FSS).;Blood pressure. Timepoint: before and immediately after the intervention. Method of measurement: sphygmomanometer.;Heart rate. Timepoint: before and immediately after the intervention. Method of measurement: Qardio-core and ECG Holter monitoring.;Muscle strength. Timepoint: before and immediately after the intervention. Method of measurement: ?Digital dynamometery.;Rate Pressure Product. Timepoint: before and immediately after the intervention. Method of measurement: heart rate×systolic blood pressure.;Psychological response to the exercise stimulus. Timepoint: before and immediately after the intervention. Method of measurement: subjective exercise experience scale (SEES).

—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactRoya Ravanbod

Tarbiat Modares University

ravanbod@modares.ac.ir+98 21 8288 4510

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026