Systemic Effects of A Continuous Blood Flow Restricted Aerobic Exercise Session in COPD Patients: A Randomised Controlled Trial.

NCT ID: NCT04526184

Last Updated: 2024-03-20

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ENROLLING_BY_INVITATION

Clinical Phase

NA

Total Enrollment

46 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-08-17

Study Completion Date

2024-04-15

Brief Summary

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Patients with COPD that a pulmonologist classifies between Stage 1-2 in accordance with the GOLD criteria and age and gender-matched healthy individuals will be included in the study.

In both groups (n = COPD: 17, Healthy: 17), aerobic exercise (AE) in the target heart rate range of 50% intensity, performed by cycling accompanied by blood flow restriction, will be applied.

Detailed Description

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Target heart rate will be calculated from the formula "(Maximal heart rate-resting heart rate) x% desired intensity ratio + resting heart rate".

The target occlusion amount in the lower extremity will be calculated by calculating 45% of the complete occlusion rates reported by Michael et al. The proximal border of the thigh cuffs will be tied in line with the gluteal lines on both sides.

Exercise tolerance and dyspnea condition; Measurement properties in COPD will be evaluated using a well-defined modified Borg scale (MBS). Individuals will use any bronchodilator that their doctor sees fit before trying.

The target aerobic exercise intensity will be reached in the last minute of the first five-minute warm-up period by maintaining a 4-6 feeling of dyspnea in the MBS, by increasing pedal resistance and speed. In case of extreme shortness of breath, exercise intensity will be reduced to resting heart rate.

In the event of oxygen desaturation (85%) during the intervention, the intervention will be terminated.

Aerobic exercise training protocol; It was planned as 50 rpm speed and warming up at the lowest pedal resistance during the first 4 minutes, reaching the target exercise intensity range in the next 1 minute, aerobic training at the target heart rate range and appropriate MBS value for the next 20 minutes, cooling down in the last 5 minutes. The duration will be reduced in case of excessive shortness of breath, fatigue and muscle pain due to increased exercise volume. The distance, calories, and maximum speed values measured during the study will be recorded.

Before and immediately after the study, all participants had muscle damage (creatine kinase), anti-inflammatory response (CRP, neutrophil), oxidative stress response (uric acid, LDH), oxygen saturation, heart rate, systolic and diastolic pressure will be examined.

Institution of the Study: Karabuk University Research Hospital Chest Diseases Clinic Center / Karabuk. The study would be conducted in the presence of a chest diseases specialist.

Conditions

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COPD

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Two groups will be formed as healthy and patient groups and the same treatment initiative will be applied.
Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Outcome Assessors
25 COPD patients were referred to the study from the pulmonology clinic of the hospital where the study was conducted by a medical secretary who was blinded to the intervention. In addition, 21 healthy individuals volunteered to participate in the study from the same hospital where the study was previously announced.

Study Groups

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healthy group

25 healthy individuals between the ages of 40-70 will be contacted by phone and included in the initiative.

Group Type ACTIVE_COMPARATOR

aerobic exercise with blood flow restriction

Intervention Type PROCEDURE

Patients and healthy individuals will be given 30 minutes of aerobic exercise by cycling, by restricting lower extremity blood flow.

patient group

25 individuals will be selected randomly from 103 patients with COPD from hospital records.

Group Type ACTIVE_COMPARATOR

aerobic exercise with blood flow restriction

Intervention Type PROCEDURE

Patients and healthy individuals will be given 30 minutes of aerobic exercise by cycling, by restricting lower extremity blood flow.

Interventions

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aerobic exercise with blood flow restriction

Patients and healthy individuals will be given 30 minutes of aerobic exercise by cycling, by restricting lower extremity blood flow.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* No drug change for at least 30 days for the COPD group
* Not participating in a structured activity program for at least six months
* Have the ability to cooperate

Exclusion Criteria

* Presence of any pathology that limits physical activity performance
* Presence of severe or unstable heart disease
* Presence of peripheral artery disease
* Being in an exacerbation period of the disease
* Presence of another active disease (rheumatic, oncological, traumatic etc.)
* Any neurological or orthopedic disease that prevents exercise
Minimum Eligible Age

40 Years

Maximum Eligible Age

75 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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Medipol University

OTHER

Sponsor Role lead

Responsible Party

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Ahmet Gunes

PhD Student

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Karabük Üniversitesi Araştırma Hastanesi Göğüs Hastalıkları Kliniği

Karabük, , Turkey (Türkiye)

Site Status

Countries

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Turkey (Türkiye)

References

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Patterson SD, Hughes L, Warmington S, Burr J, Scott BR, Owens J, Abe T, Nielsen JL, Libardi CA, Laurentino G, Neto GR, Brandner C, Martin-Hernandez J, Loenneke J. Blood Flow Restriction Exercise: Considerations of Methodology, Application, and Safety. Front Physiol. 2019 May 15;10:533. doi: 10.3389/fphys.2019.00533. eCollection 2019.

Reference Type RESULT
PMID: 31156448 (View on PubMed)

Kacin A, Strazar K. Frequent low-load ischemic resistance exercise to failure enhances muscle oxygen delivery and endurance capacity. Scand J Med Sci Sports. 2011 Dec;21(6):e231-41. doi: 10.1111/j.1600-0838.2010.01260.x. Epub 2011 Mar 8.

Reference Type RESULT
PMID: 21385216 (View on PubMed)

Scott BR, Loenneke JP, Slattery KM, Dascombe BJ. Exercise with blood flow restriction: an updated evidence-based approach for enhanced muscular development. Sports Med. 2015 Mar;45(3):313-25. doi: 10.1007/s40279-014-0288-1.

Reference Type RESULT
PMID: 25430600 (View on PubMed)

Nolan CM, Rochester CL. Exercise Training Modalities for People with Chronic Obstructive Pulmonary Disease. COPD. 2019 Dec;16(5-6):378-389. doi: 10.1080/15412555.2019.1637834. Epub 2019 Nov 4.

Reference Type RESULT
PMID: 31684769 (View on PubMed)

Loenneke JP, Allen KM, Mouser JG, Thiebaud RS, Kim D, Abe T, Bemben MG. Blood flow restriction in the upper and lower limbs is predicted by limb circumference and systolic blood pressure. Eur J Appl Physiol. 2015 Feb;115(2):397-405. doi: 10.1007/s00421-014-3030-7. Epub 2014 Oct 22.

Reference Type RESULT
PMID: 25338316 (View on PubMed)

Wilson JM, Lowery RP, Joy JM, Loenneke JP, Naimo MA. Practical blood flow restriction training increases acute determinants of hypertrophy without increasing indices of muscle damage. J Strength Cond Res. 2013 Nov;27(11):3068-75. doi: 10.1519/JSC.0b013e31828a1ffa.

Reference Type RESULT
PMID: 23446173 (View on PubMed)

Berzosa C, Cebrian I, Fuentes-Broto L, Gomez-Trullen E, Piedrafita E, Martinez-Ballarin E, Lopez-Pingarron L, Reiter RJ, Garcia JJ. Acute exercise increases plasma total antioxidant status and antioxidant enzyme activities in untrained men. J Biomed Biotechnol. 2011;2011:540458. doi: 10.1155/2011/540458. Epub 2011 Mar 9.

Reference Type RESULT
PMID: 21436993 (View on PubMed)

Other Identifiers

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IMU

Identifier Type: -

Identifier Source: org_study_id

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