- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02600000
Inspiratory Muscle Training Effectiveness in Sympathetic Activity and Functional Capacity in Patients With Heart Failure
October 27, 2019 updated by: Jéssica Costa Leite, Universidade Federal de Pernambuco
Effectiveness of Inspiratory Muscle Training Associated With a Cardiac Rehabilitation Program in Sympathetic Activity and Functional Capacity in Patients With Heart Failure: a Randomized Clinical Trial
Heart failure (HF) is configured major problem for public health in the country.
Affected individuals may experience fatigue, dyspnea, respiratory muscle weakness, overstimulation of the sympathetic myocardial activity, among others.
In relation to the treatment of patients with heart failure with symptoms mentioned above a great alternative is the implantation of cardiac rehabilitation programs, these programs can also be associated with other muscle training measures, among these there is inspiratory muscle training (IMT), as the weakness of these muscles is rather found in this population and this directly related to signs and symptoms.
OBJECTIVE: To evaluate the efficacy of inspiratory muscle training associated with a cardiac rehabilitation program in the modulation of sympathetic myocardial activity and maximal and submaximal functional capacity of patients with HF between 21-60 years.
METHODOLOGY: This is a clinical trial, controlled, randomized, double-blind being developed in partnership with the Department of Physical Therapy, Federal University of Pernambuco (UFPE) and the Hospital das Clinicas (HC) of Pernambuco, whose patients will be accrued on the Recife's main referral centers in caring for patients with heart failure.
Patients will undergo the evaluation of pulmonary function and respiratory muscle strength (spirometry and digital Manovacuometry) as well as on the functional capacity (Ergospirometry), cardiac innervation (myocardial scintigraphy), mobility and diaphragm thickness (ultrasound) and quality of life.
After the evaluation will be randomly allocated into two groups: The control group will perform cardiac rehabilitation associated with the Sham of IMT, and the experimental group cardiac rehabilitation associated with the IMT at 30% of maximal inspiratory pressure.
The intervention will last three months for both groups and after this phase patients will be submitted again to the assessment tools.
EXPECTED RESULTS: To clarify the association between physical exercise associated with specific respiratory training in modulating the autonomic nervous system of patients with HF and what the relationship with reflected cardiorespiratory fitness in maximal and submaximal functional capacity.
Study Overview
Status
Unknown
Conditions
Study Type
Interventional
Enrollment (Anticipated)
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 Contact
- Name: Daniella C Brandão, Doctor
- Phone Number: +55 81 998036255
- Email: daniellacunha@hotmail.com
Study Locations
-
-
Pernambuco
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Recife, Pernambuco, Brazil, 50670-901
- Recruiting
- Physiology laboratory and cardiopulmonary physiotherapy
-
Contact:
- Jessica C Leite, graduate
- Phone Number: +55 83 988667323
- Email: jesewev@gmail.com
-
-
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
21 years to 65 years (ADULT, OLDER_ADULT)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Diagnosis of Heart Failure;
- Lower left ventricular ejection fraction 45% (LVEF <45%) assessed by simple and recent echocardiogram;
- Functional Class II and III by the New York Heart Association (NYHA)
- Clinically stable;
- Ex-smokers over five years;
- Maximal inspiratory pressure (MIP) <70% of predicted;
- Forced expiratory volume/Forced vital capacity (FEV1 / FVC) > 70% of predicted;
Exclusion Criteria:
- Unstable angina;
- Myocardial infarction and heart surgery up to three months before the survey;
- Chronic respiratory diseases;
- Hemodynamic instability;
- Trauma recent face, nausea and vomiting.
- Orthopedic and neurological diseases that may preclude the achievement of the cardiopulmonary test and Cardiac Rehabilitation exercises;
- Psychological and / or cognitive impairments that restrict them to respond to questionnaires;
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: Sympathetic myocardial activity after IMT
Evaluate the effectiveness of Muscle Training Inspiratory associated with a cardiac rehabilitation program in the modulation of sympathetic myocardial activity of patients with HF
|
Myocardial scintigraphy with Iodo123-Metaiodobenzylguanidine (MIBG) to assess the Sympathetic myocardial activity
|
EXPERIMENTAL: Maximal functional capacity after IMT
Evaluate the effectiveness of Muscle Training Inspiratory associated with a cardiac rehabilitation program in the maximal functional capacity of patients with HF
|
Assessment of maximal functional capacity
|
EXPERIMENTAL: submaximal functional capacity after IMT
Evaluate the effectiveness of Muscle Training Inspiratory associated with a cardiac rehabilitation program in the submaximal functional capacity of patients with HF
|
Evaluation of submaximal functional capacity after inspiratory muscle training.
|
EXPERIMENTAL: Thickness and mobility of the diaphragm after IMT
Assess the impact of Inspiratory Muscle Training in combination with a cardiac rehabilitation program on the thickness and mobility of the diaphragm in patients with heart failure.
|
Evaluation of thickness and diaphragmatic mobility
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Adrenergic tone of the heart muscle
Time Frame: Change from Baseline and Three months after
|
Measured by the integrity and activity of the sympathetic nervous pre synaptic terminals.
|
Change from Baseline and Three months after
|
Change from Functional capacity
Time Frame: Change from Baseline and Three months after
|
Measured by cardiopulmonary exercise testing
|
Change from Baseline and Three months after
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from Submaximal functional capacity
Time Frame: Change from Baseline and Three months after
|
Measured by Glittre Test
|
Change from Baseline and Three months after
|
Mobility of the diaphragm
Time Frame: Change from Baseline and Three months after
|
Reviewed from the ultrasound
|
Change from Baseline and Three months after
|
Diaphragm thickness
Time Frame: Change from Baseline and Three months after
|
Reviewed from the ultrasound
|
Change from Baseline and Three months after
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
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
February 1, 2015
Primary Completion (ANTICIPATED)
December 1, 2020
Study Completion (ANTICIPATED)
December 1, 2020
Study Registration Dates
First Submitted
November 4, 2015
First Submitted That Met QC Criteria
November 6, 2015
First Posted (ESTIMATE)
November 9, 2015
Study Record Updates
Last Update Posted (ACTUAL)
October 30, 2019
Last Update Submitted That Met QC Criteria
October 27, 2019
Last Verified
October 1, 2019
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 38572614.1.3001.5192
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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