Abdominal functional electrical stimulation to enhance mechanical insufflation-exsufflation

McCaughey, E. J., McLean, A. N., Allan, D. B. and Gollee, H. (2016) Abdominal functional electrical stimulation to enhance mechanical insufflation-exsufflation. Journal of Spinal Cord Medicine, 39(6), pp. 720-725. (doi:10.1080/10790268.2015.1114226) (PMID:26689243)

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Abstract

Context: Respiratory complications, attributed to the build-up of secretions in the airway, are a leading cause of rehospitalisation for the tetraplegic population. Previously, we observed that the application of Abdominal Functional Electrical Stimulation (AFES) improved cough function and increased demand for secretion removal, suggesting AFES may aid secretion clearance. Clinically, secretion clearance is commonly achieved by using Mechanical insufflation-exsufflation (MI-E) to simulate a cough. In this study the feasibility of combining AFES with MI-E is evaluated. Findings: AFES was successfully combined with MI-E at eight fortnightly assessment sessions conducted with one sub-acute participant with tetraplegia. By using the signal from a pressure sensor, integrated with the MI-E device, AFES was correctly applied in synchrony with MI-E with an accuracy of 96.7%. Acute increases in exhaled volume and peak flow were observed during AFES assisted MI-E, compared to MI-E alone, at six of eight assessment sessions. Conclusion: The successful integration of AFES with MI-E at eight assessment sessions demonstrates the feasibility of this technique. The acute increases in respiratory function observed at the majority of assessment sessions generate the hypothesis that AFES assisted MI-E may be more effective for secretion clearance than MI-E alone.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Gollee, Dr Henrik and Allan, Mr David and McLean, Dr Alan
Authors: McCaughey, E. J., McLean, A. N., Allan, D. B., and Gollee, H.
College/School:College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing
College of Science and Engineering > School of Engineering > Biomedical Engineering
Journal Name:Journal of Spinal Cord Medicine
Publisher:Taylor and Francis
ISSN:1079-0268
ISSN (Online):2045-7723
Published Online:21 December 2015
Copyright Holders:Copyright © 2016 The Authors
First Published:First published in Journal of Spinal Cord Medicine 39(6):720-725
Publisher Policy:Reproduced under a Creative Commons License

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
5006112008-12 Doctoral Training GrantMary GoodmanEngineering & Physical Sciences Research Council (EPSRC)EP/P50418X/1VICE PRINCIPAL RESEARCH & ENTERPRISE