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https://hdl.handle.net/2440/82026
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Type: | Journal article |
Title: | Artificial neural network classification of pharyngeal high-resolution manometry with impedance data |
Author: | Hoffman, M. Mielens, J. Omari, T. Rommel, N. Jiang, J. McCulloch, T. |
Citation: | The Laryngoscope, 2013; 123(3):713-720 |
Publisher: | Lippincott Williams & Wilkins |
Issue Date: | 2013 |
ISSN: | 0023-852X 0023-852X |
Statement of Responsibility: | Matthew R. Hoffman, Jason D. Mielens, Taher I. Omari, Nathalie Rommel, Jack J. Jiang, Timothy M. McCulloch |
Abstract: | <h4>Objectives/hypothesis</h4>To use classification algorithms to classify swallows as safe, penetration, or aspiration based on measurements obtained from pharyngeal high-resolution manometry (HRM) with impedance.<h4>Study design</h4>Case series evaluating new method of data analysis.<h4>Methods</h4>Multilayer perceptron, an artificial neural network (ANN), was evaluated for its ability to classify swallows as safe, penetration, or aspiration. Data were collected from 25 disordered subjects swallowing 5- or 10-mL boluses. Following extraction of relevant parameters, a subset of the data was used to train the models, and the remaining swallows were then independently classified by the ANN.<h4>Results</h4>A classification accuracy of 89.4 ± 2.4% was achieved when including all parameters. Including only manometry-related parameters yielded a classification accuracy of 85.0 ± 6.0%, whereas including only impedance-related parameters yielded a classification accuracy of 76.0 ± 4.9%. Receiver operating characteristic analysis yielded areas under the curve of 0.8912 for safe, 0.8187 for aspiration, and 0.8014 for penetration.<h4>Conclusions</h4>Classification models show high accuracy in classifying swallows from dysphagic patients as safe or unsafe. HRM-impedance with ANN represents one method that could be used clinically to screen for patients at risk for penetration or aspiration. |
Keywords: | Artificial neural network classification model high-resolution manometry impedance aspiration dysphagia Level of Evidence: 4 |
Rights: | Copyright © 2012 The American Laryngological, Rhinological, and Otological Society, Inc. |
DOI: | 10.1002/lary.23655 |
Grant ID: | http://purl.org/au-research/grants/nhmrc/1009344 |
Published version: | http://dx.doi.org/10.1002/lary.23655 |
Appears in Collections: | Aurora harvest Paediatrics publications |
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