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| Natura: | Artículo científico |
| Lingua: | en |
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Associação Brasileira de Pesquisa e Pós-Graduação em Fisioterapia
2016
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| Accesso online: | https://www.redalyc.org/articulo.oa?id=235045322011 |
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| _version_ | 1866812718525186048 |
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| author | Kadja Benício |
| author_facet | Kadja Benício |
| contents | Effects of diaphragmatic control on the assessment of sniff nasal inspiratory pressure and maximum relaxation rate Kadja Benício Fernando A. L. Dias Lucien P. Gualdi Andrea Aliverti Vanessa R. Resqueti Guilherme A. F. Fregonezi Salud physical therapy Respiratory muscles nasal inspiratory pressure Objective: To assess the influence of diaphragmatic activation control (diaphC) on Sniff Nasal-Inspiratory Pressure (SNIP) and Maximum Relaxation Rate of inspiratory muscles (MRR) in healthy subjects. Method : Twenty subjects (9 male; age: 23 (SD=2.9) years; BMI: 23.8 (SD=3) kg/m 2 ; FEV 1 /FVC: 0.9 (SD=0.1)] performed 5 sniff maneuvers in two different moments: with or without instruction on diaphC. Before the first maneuver, a brief explanation was given to the subjects on how to perform the sniff test. For sniff test with diaphC, subjects were instructed to perform intense diaphragm activation. The best SNIP and MRR values were used for analysis. MRR was calculated as the ratio of first derivative of pressure over time (dP/dt max ) and were normalized by dividing it by peak pressure (SNIP) from the same maneuver. Results : SNIP values were significantly different in maneuvers with and without diaphC [without diaphC: –100 (SD=27.1) cmH 2 O/ with diaphC: –72.8 (SD=22.3) cmH 2 O; p<0.0001], normalized MRR values were not statistically different [without diaphC: –9.7 (SD=2.6); with diaphC: –8.9 (SD=1.5); p=0.19]. Without diaphC, 40% of the sample did not reach the appropriate sniff criteria found in the literature. Conclusion: Diaphragmatic control performed during SNIP test influences obtained inspiratory pressure, being lower when diaphC is performed. However, there was no influence on normalized MRR. 2016 artículo científico 1413-3555 https://www.redalyc.org/articulo.oa?id=235045322011 en http://www.redalyc.org/revista.oa?id=2350 Revista Brasileira de Fisioterapia application/pdf Associação Brasileira de Pesquisa e Pós-Graduação em Fisioterapia Revista Brasileira de Fisioterapia (Brasil) Num.1 Vol.20 |
| format | Artículo científico |
| id | redalyc_235045322011 |
| language | en |
| publishDate | 2016 |
| publisher | Associação Brasileira de Pesquisa e Pós-Graduação em Fisioterapia |
| spellingShingle | Effects of diaphragmatic control on the assessment of sniff nasal inspiratory pressure and maximum relaxation rate Kadja Benício Salud physical therapy Respiratory muscles nasal inspiratory pressure Effects of diaphragmatic control on the assessment of sniff nasal inspiratory pressure and maximum relaxation rate Kadja Benício Fernando A. L. Dias Lucien P. Gualdi Andrea Aliverti Vanessa R. Resqueti Guilherme A. F. Fregonezi Salud physical therapy Respiratory muscles nasal inspiratory pressure Objective: To assess the influence of diaphragmatic activation control (diaphC) on Sniff Nasal-Inspiratory Pressure (SNIP) and Maximum Relaxation Rate of inspiratory muscles (MRR) in healthy subjects. Method : Twenty subjects (9 male; age: 23 (SD=2.9) years; BMI: 23.8 (SD=3) kg/m 2 ; FEV 1 /FVC: 0.9 (SD=0.1)] performed 5 sniff maneuvers in two different moments: with or without instruction on diaphC. Before the first maneuver, a brief explanation was given to the subjects on how to perform the sniff test. For sniff test with diaphC, subjects were instructed to perform intense diaphragm activation. The best SNIP and MRR values were used for analysis. MRR was calculated as the ratio of first derivative of pressure over time (dP/dt max ) and were normalized by dividing it by peak pressure (SNIP) from the same maneuver. Results : SNIP values were significantly different in maneuvers with and without diaphC [without diaphC: –100 (SD=27.1) cmH 2 O/ with diaphC: –72.8 (SD=22.3) cmH 2 O; p<0.0001], normalized MRR values were not statistically different [without diaphC: –9.7 (SD=2.6); with diaphC: –8.9 (SD=1.5); p=0.19]. Without diaphC, 40% of the sample did not reach the appropriate sniff criteria found in the literature. Conclusion: Diaphragmatic control performed during SNIP test influences obtained inspiratory pressure, being lower when diaphC is performed. However, there was no influence on normalized MRR. 2016 artículo científico 1413-3555 https://www.redalyc.org/articulo.oa?id=235045322011 en http://www.redalyc.org/revista.oa?id=2350 Revista Brasileira de Fisioterapia application/pdf Associação Brasileira de Pesquisa e Pós-Graduação em Fisioterapia Revista Brasileira de Fisioterapia (Brasil) Num.1 Vol.20 |
| title | Effects of diaphragmatic control on the assessment of sniff nasal inspiratory pressure and maximum relaxation rate |
| topic | Salud physical therapy Respiratory muscles nasal inspiratory pressure |
| url | https://www.redalyc.org/articulo.oa?id=235045322011 |