Clinimetric properties of the pressure biofeedback unit method for estimating respiratory pressures

Autor:	Patrícia Chaves Coertjens, Marcelo Coertjens, Ana Paula dos Santos C. L da Silva, Rayele Pricila Moreira dos Santos
Rok vydání:	2017
Předmět:	Adult Male 030506 rehabilitation Manometry medicine.medical_treatment Physical Therapy Sports Therapy and Rehabilitation Biofeedback Young Adult 03 medical and health sciences 0302 clinical medicine Predictive Value of Tests Pressure Transducers Pressure medicine Respiratory muscle Humans Respiratory pressure Transversus abdominis Respiratory system Abdominal Muscles business.industry Respiration Healthy subjects Reproducibility of Results Biofeedback Psychology Muscle activation Equipment Design Respiratory Muscles Cross-Sectional Studies Anesthesia Breathing Female 0305 other medical science business 030217 neurology & neurosurgery Muscle Contraction
Zdroj:	Physiotherapy Theory and Practice. 33:345-351
ISSN:	1532-5040 0959-3985
DOI:	10.1080/09593985.2017.1289577
Popis:	The Pressure Biofeedback Unit (PBU) is used to assess the transversus abdominis muscle activity in order to determine the effectiveness of segmental stabilization, but not to verify its accuracy for measuring the pressure values of breathing from transversus abdominis activation. The objective of this study was to cross-validate the PBU pressure evaluated in transversus abdominis muscle activation with the respiratory pressure assessed through manovacuometry in order to verify the extent to which the PBU can be used to indirectly evaluate the strength of the respiratory muscle in both men and women and verify the reliability of the methods.A total of 39 healthy subjects.Manovacuometry and Pressure Biofeedback Unit tests were performed in three days each with three replications: 1) Maximal Inspiratory Pressure; 2) Maximal Expiratory Pressure; and 3) Pressure Biofeedback Unit.Both tests showed good reliability and low correlation between the Pressure Biofeedback Unit and Maximal Inspiratory Pressure (r = 0.40; p = 0.01) and Maximal Expiratory Pressure (r = 0.33; p = 0.04). High differences were observed between pressures and wide limits of agreement in Bland-Altman analysis.It seems that the Pressure Biofeedback Unit is not able to effectively predict the respiratory muscles' strength as routinely evaluated through the use of the manovacuometry presenting a low cross-validation and good reliability.
Databáze:	OpenAIRE
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