Skip to content

Dynamic Ventilatory and Asymmetry of the Chest Wall During Breath Stacking and Volume-oriented Incentive Spirometer

Dynamic Ventilatory and Asymmetry of the Chest Wall During Breath Stacking and Volume-oriented Incentive Spirometer in Patients After Stroke: Crossover Clinical Trial

Status
UNKNOWN
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02088125
Enrollment
12
Registered
2014-03-14
Start date
2013-09-30
Completion date
2014-08-31
Last updated
2014-03-14

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

Conditions

Stroke

Keywords

Stroke, Incentive Spirometry, Breath Stacking, Optoelectronic Plethysmography

Brief summary

The purpose of the study was to analyze the effect of IS and BS on dynamics ventilatory and asymmetry of the chest wall in patients after stroke .

Detailed description

All volunteers were undergone to two types of pulmonary expansion therapy (PET) techniques: volume incentive spirometry (VIS) and BS. Procedures involved two distinct phases: assessment and intervention. In the first day was performed assessment of the participants to obtain the following data: anamnesis, initial evaluation using the Ashwouth Scale, Barthel Index and Mini Mental State Examination, anthropometric data and pulmonary function using spirometry and respiratory muscle pressures. Intervention phase was performed in two different days, each day for only one PET techniques (VIS or BS), with a minimal wash-out period of one day according to the randomization sequence. Optoelectronic Pletysmography (OEP) was recorded during quite breathing at rest and during the execution of five maneuvers form each PET technique tested.

Interventions

Breath Stacking A mask was used with two one-way valves (inspiratory limb and expiratory limb), which was coupled to the patient's face allowing only inspiration, while the expiratory branch remained occluded for the individual only perform successive inspiratory efforts.

OTHERIncentive Spirometry

The Incentive Spirometry was characterized by the use of the incentive spirometer volume, in which volunteer used a nasal clip and was instructed to inhale slowly and deeply through the mouthpiece of the equipment from functional residual capacity to total lung capacity.

Sponsors

Conselho Nacional de Desenvolvimento Científico e Tecnológico
CollaboratorOTHER_GOV
Universidade Federal de Pernambuco
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
20 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

Subjects with right hemiparesis due to stroke for more than three months, of both genders, most than 20 years, with scores between 1 and 3 for Ashworth Scale for upper limb, up to 85 for Index score Barthel and minimum score of 18 on the Mini Mental State Examination. \-

Exclusion criteria

Facial paralysis, rheumatic or orthopedic diseases or deformities / abnormalities in the spine that could compromise the respiratory mechanics; reported respiratory conditions (asthma, chronic obstructive pulmonary disease, cystic fibrosis) or presenting spirometry with forced expiratory volume in one second (FEV1) below 80% predicted and compared VEF1/Capacitate Forced vital ≤ .7; history of recent abdominal or thoracic surgery and hemodynamic instability or pregnancy. \-

Design outcomes

Primary

MeasureTime frameDescription
Volume of the chest wall and Thoraco-abdominal compartments (pulmonary rib cage, abdominal rib cage and abdomen)During assessment and intervention, on average for an hourTotal chest wall and in the Differents thoraco-abdominal compartments measured by Opto-electronic plethysmography (OEP)

Secondary

MeasureTime frameDescription
Ventilatory Pattern (minute ventilation, breathing frequency, inspiratory time (TI), expiratory time (TE), duty cycle (TI/TTOT), tidal volume, mean inspiratory flow, mean expiratory flow)During assessment and intervention, on average for an hourFrom variations of Volume of the chest wall during breathing measured by Opto-electronic plethysmography (OEP)

Countries

Brazil

Contacts

Primary ContactCatarina Rattes
catarina_rattes@hotmail.com+55 81 21268496

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026