The effect of various types of interval exercises in patients with COPD

The effect of interval exercises on heart rate variability in hospitalized patients with chronic obstructive pulmonary disease (COPD)

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

IRCT

Registry ID

IRCT20200611047727N6

Enrollment

Registered

2023-03-14

Start date

2023-05-22

Completion date

Unknown

Last updated

2023-04-03

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

Conditions

Chronic obstructive pulmonary disease. Chronic obstructive pulmonary disease, unspecified

Interventions

Intervention 1: Intervention group: After warming up, the patients do 30 seconds of activity with an intensity of 85% of the maximum oxygen peak, then they do 30 seconds of recovery with 40% of the ma

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients with COPD in Grade 2, 3 and 4 Age more than 18

Exclusion criteria

Exclusion criteria: Dissatisfaction to participate in the study Underlying diseases such as diabetes Nervous system diseases affecting cardiac rhythm

Design outcomes

Primary

Measure	Time frame
Distance of 6-minute walk test. Timepoint: Before rehabilitation and 2 week after rehabilitation. Method of measurement: 6-minute walk test.;Resting heart rate. Timepoint: Before rehabilitation and 2 weeks after rehabilitation. Method of measurement: Cardiopulmonary exercise test.;VO2 at anaerobic threshold. Timepoint: Before rehabilitation and 2 weeks after rehabilitation. Method of measurement: Cardiopulmonary exercise test.;Maximum heart rate. Timepoint: Before rehabilitation and 2 weeks after rehabilitation. Method of measurement: Cardiopulmonary exercise test.;VO2 max. Timepoint: Before rehabilitation and 2 weeks after rehabilitation. Method of measurement: Cardiopulmonary exercise test.;Standard deviation of ventricular contraction wave period. Timepoint: Before rehabilitation and 2 weeks after rehabilitation. Method of measurement: Heart rate variability holter.;The root mean square of successive differences between normal heartbeats. Timepoint: Before rehabilitation and 2 weeks after rehabilitation. Method of measurement: Heart rate variability holter.;High frequency. Timepoint: Before rehabilitation and 2 weeks after rehabilitation. Method of measurement: Heart rate variability holter.;Low frequency. Timepoint: Before rehabilitation and 2 weeks after rehabilitation. Method of measurement: Heart rate variability holter.	—

Measure

Time frame

Distance of 6-minute walk test. Timepoint: Before rehabilitation and 2 week after rehabilitation. Method of measurement: 6-minute walk test.;Resting heart rate. Timepoint: Before rehabilitation and 2 weeks after rehabilitation. Method of measurement: Cardiopulmonary exercise test.;VO2 at anaerobic threshold. Timepoint: Before rehabilitation and 2 weeks after rehabilitation. Method of measurement: Cardiopulmonary exercise test.;Maximum heart rate. Timepoint: Before rehabilitation and 2 weeks after rehabilitation. Method of measurement: Cardiopulmonary exercise test.;VO2 max. Timepoint: Before rehabilitation and 2 weeks after rehabilitation. Method of measurement: Cardiopulmonary exercise test.;Standard deviation of ventricular contraction wave period. Timepoint: Before rehabilitation and 2 weeks after rehabilitation. Method of measurement: Heart rate variability holter.;The root mean square of successive differences between normal heartbeats. Timepoint: Before rehabilitation and 2 weeks after rehabilitation. Method of measurement: Heart rate variability holter.;High frequency. Timepoint: Before rehabilitation and 2 weeks after rehabilitation. Method of measurement: Heart rate variability holter.;Low frequency. Timepoint: Before rehabilitation and 2 weeks after rehabilitation. Method of measurement: Heart rate variability holter.

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactMohsen Abedi

Shahid Beheshti University of Medical Sciences

mohsenabedi110@gmail.com+98 21 2610 2020

Outcome results

None listed

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