Effects of Muscle Trainins Inspiratory Linked to Cardiac Rehabilitation Post-operative of CABG Surgery

April 27, 2017 updated by: Rodrigo Della Méa Plentz, Federal University of Health Science of Porto Alegre

Effects of Inspiratory Muscle Training Hihg Intensity Linked to Cardiac Rehabilitation in Patients on Exercise Performance in the Post-operative of Coronary Artery Bypasssurgery: a Randomized Clinical Trial

Heart surgery procedures are still widely used worldwide for the treatment of patients with heart problems, and rates of complications in the postoperative period related to them remain high. In these patients, physical conditioning programs result in improved functional capacity, and reducing the heart rate and systolic blood pressure. The inspiratory muscle training is also emerging as a valuable strategy in the treatment of cardiac patients. The study of the interaction between cardiac rehabilitation and high intensity IMT about these changes is not yet understood in this population. The aim of this study is to assess the effects of inspiratory muscle training high intensity associated with cardiac rehabilitation exercise performance of patients in the postoperative period of CABG surgery.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

It is a controlled, randomized clinical trial in which patients were randomly assigned randomly after referral to cardiac rehabilitation: Group 1 IMT-HI, group 2 - IMT-HI control. The evaluator of outcomes is blinded as to groups. The study protocol lasts 36 sessions for both groups. The group 1 patients performs cardiac rehabilitation protocol for 40 minutes with cardio and stretching and also inspiratory muscle training protocol of high intensity with 50% load increase in maximal inspiratory pressure during the first two weeks, 60% of MIP in third and fourth week, 70% of MIP in the fifth and sixth week and 80% MIP in the seventh and eighth week. The group 2 patients only perform the cardiac rehabilitation protocol for 40 minutes with aerobic exercise and stretching.

Study Type

Interventional

Enrollment (Actual)

20

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Brazil
    • RS
      • Porto Alegre, RS, Brazil, 90130051
        • Rodrigo Della Méa Plentz

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

30 years to 70 years (ADULT, OLDER_ADULT)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Patients in the postoperative period of elective CABG
  • Between the fourteenth and the thirtieth day after surgery
  • Between 30 and 70 years old

Exclusion Criteria:

  • Decompensated heart failure
  • Unstable angina
  • Moderate respiratory disease severe
  • Active infectious disease or fever
  • Disabling peripheral vascular disease
  • Unstable ventricular arrhythmias
  • Use of cardiac pacemaker.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: TREATMENT
  • Allocation: RANDOMIZED
  • Interventional Model: PARALLEL
  • Masking: DOUBLE

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
EXPERIMENTAL: IMT+Exercise
The inspiratory muscle training protocol (IMT) high intensity is achieved with a device with linear load pressure (POWERbreathe Plus Light Resistance®, SP, BR) that allows loads up to -90cmH2O. IMT is performed for 36 sessions (12 weeks) with weekly frequency of three times a week under supervision prior to the cardiac rehabilitation. The training protocol consists of five series with 10 repetitions each set until the 8th week with increase in the number of sets of repetitions of the 8th to 12th week, with two minutes or according to patient feedback using the modified Borg scale . Aerobic training lasts 40 minutes (5 minutes heating 30 minute workout and 5 minutes desaqueciemento. During training vital signs such as heart rate, blood pressure (BP) and peripheral oxygen saturation (SpO2) are evaluated and the feeling of effort the patient should not exceed the level of 8 according to the modified Borg scale.
Device: IMT - POWERbreathe Plus Light Resistance®, SP, BR
POWERbreathe Plus Light Resistance®, SP, BR
NO_INTERVENTION: Exercise Control
Aerobic Exercise and Stretching

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Six-minute walk test
Time Frame: 1 week, up to 4 week, up to 8 week, through study completion, an average of 12 week
The patient is set to walk in a corridor of 30 meters delimited cones for six minutes in order to go as far as possible. Every minute the patient is stimulated by the evaluator.
1 week, up to 4 week, up to 8 week, through study completion, an average of 12 week

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
30-s chair-stand
Time Frame: 1 week, up to 4 week, up to 8 week, through study completion, an average of 12 week
With the patient sitting in a chair with 45cm tall, with your feet apart and flat on the floor and arms crossed against his chest, the patient will be encouraged to get up and return to a sitting position as many times as possible in 30 seconds, It is registered the maximum number of repetitions.
1 week, up to 4 week, up to 8 week, through study completion, an average of 12 week
respiratory muscle strength test
Time Frame: 1 week, up to 4 week, up to 8 week, through study completion, an average of 12 week
1 week, up to 4 week, up to 8 week, through study completion, an average of 12 week
Quality of life
Time Frame: 1 week, through study completion, an average of 12 week
Brazilian version of the Quality of Life Questionnaire - SF-36
1 week, through study completion, an average of 12 week

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Federal University of Health Science of Porto Alegre

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (ACTUAL)

September 10, 2015

Primary Completion (ACTUAL)

September 30, 2016

Study Completion (ACTUAL)

December 30, 2016

Study Registration Dates

First Submitted

March 7, 2016

First Submitted That Met QC Criteria

April 13, 2016

First Posted (ESTIMATE)

April 19, 2016

Study Record Updates

Last Update Posted (ACTUAL)

April 28, 2017

Last Update Submitted That Met QC Criteria

April 27, 2017

Last Verified

April 1, 2017

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • IMT+exercise-CABG

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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