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Simultaneous measurement of force and respiratory profiles during chest physiotherapy in ventilated children

Simultaneous measurement of force and respiratory profiles during chest physiotherapy in ventilated children
Simultaneous measurement of force and respiratory profiles during chest physiotherapy in ventilated children
There are currently no objective means of quantifying chest wall vibrations during manual physiotherapy. The aims of the study were to (i) develop a method to quantify physiotherapy-applied forces and simultaneous changes in respiratory flow and pressure, (ii) assess the feasibility of using this method in ventilated children and (iii) characterize treatment profiles delivered by physiotherapists in the paediatric intensive care unit. Customized sensing mats were designed and used in combination with a respiratory profile monitor. Software was developed to align force and flow data streams. Force and respiratory data were successfully collected in 55 children (median age 1.6 years (range 0.02-13.7 years)). Physiotherapists demonstrated distinctive variations in the pattern of force applied and manual lung inflations. The maximum applied force ranged from 15 to 172 N, and was correlated with the child's age (r = 0.76). Peak expiratory flow increased significantly during manual inflations both with and without chest wall vibrations (p < 0.05). This method provides the basis for objective assessments of the direct and independent effects of vibration forces and manual lung inflations as an essential precursor to developing evidence-based practice.
0967-3334
1017-28
Gregson, R.K.
d30fb819-63dd-4dc1-9714-869d61453fee
Stocks, J.
8641c6e6-296d-40b8-addf-e8dd0837349f
Petley, G.W.
4f2da40b-3c7b-4adc-b75c-e24e62bb1cf0
Shannon, H.
19fba680-0f0c-4050-a835-a7d67b37fd6a
Warner, J.O.
c232f1e5-62eb-46e6-8b0c-4836b45b36a5
Jagannathan, R.
d3955de4-9b7d-42bd-886e-dc9484de6afe
Main, E.
3551b866-d645-408b-87be-91f8e53cdf96
Gregson, R.K.
d30fb819-63dd-4dc1-9714-869d61453fee
Stocks, J.
8641c6e6-296d-40b8-addf-e8dd0837349f
Petley, G.W.
4f2da40b-3c7b-4adc-b75c-e24e62bb1cf0
Shannon, H.
19fba680-0f0c-4050-a835-a7d67b37fd6a
Warner, J.O.
c232f1e5-62eb-46e6-8b0c-4836b45b36a5
Jagannathan, R.
d3955de4-9b7d-42bd-886e-dc9484de6afe
Main, E.
3551b866-d645-408b-87be-91f8e53cdf96

Gregson, R.K., Stocks, J., Petley, G.W., Shannon, H., Warner, J.O., Jagannathan, R. and Main, E. (2007) Simultaneous measurement of force and respiratory profiles during chest physiotherapy in ventilated children. Physiological Measurement, 28 (9), 1017-28. (PMID:17827650)

Record type: Article

Abstract

There are currently no objective means of quantifying chest wall vibrations during manual physiotherapy. The aims of the study were to (i) develop a method to quantify physiotherapy-applied forces and simultaneous changes in respiratory flow and pressure, (ii) assess the feasibility of using this method in ventilated children and (iii) characterize treatment profiles delivered by physiotherapists in the paediatric intensive care unit. Customized sensing mats were designed and used in combination with a respiratory profile monitor. Software was developed to align force and flow data streams. Force and respiratory data were successfully collected in 55 children (median age 1.6 years (range 0.02-13.7 years)). Physiotherapists demonstrated distinctive variations in the pattern of force applied and manual lung inflations. The maximum applied force ranged from 15 to 172 N, and was correlated with the child's age (r = 0.76). Peak expiratory flow increased significantly during manual inflations both with and without chest wall vibrations (p < 0.05). This method provides the basis for objective assessments of the direct and independent effects of vibration forces and manual lung inflations as an essential precursor to developing evidence-based practice.

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More information

e-pub ahead of print date: 21 August 2007
Published date: September 2007
Organisations: Faculty of Health Sciences

Identifiers

Local EPrints ID: 383364
URI: http://eprints.soton.ac.uk/id/eprint/383364
ISSN: 0967-3334
PURE UUID: 5b94bf3a-7fb5-4f08-be20-b4634e11040f
ORCID for G.W. Petley: ORCID iD orcid.org/0000-0002-3295-0444

Catalogue record

Date deposited: 28 Oct 2015 14:45
Last modified: 05 Nov 2019 02:00

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