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Cervical auscultation in the diagnosis of oropharyngeal aspiration in children: a study protocol for a randomised controlled trial

Frakking, Thuy T., Chang, Anne B., O'Grady, Kerry-Ann F., Walker-Smith, Katie and Weir, Kelly A. (2013). Cervical auscultation in the diagnosis of oropharyngeal aspiration in children: a study protocol for a randomised controlled trial. Trials,14:377-1-377-8.

Document type: Journal Article
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Title Cervical auscultation in the diagnosis of oropharyngeal aspiration in children: a study protocol for a randomised controlled trial
Author Frakking, Thuy T.
Chang, Anne B.
O'Grady, Kerry-Ann F.
Walker-Smith, Katie
Weir, Kelly A.
Journal Name Trials
Publication Date 2013
Volume Number 14
eISSN 1745-6215
Start Page 377-1
End Page 377-8
Total Pages 8
Place of Publication United Kingdom
Publisher BioMed Central Ltd.
HERDC Category C2 - Journal Article - Other contributions to refereed journal (internal)
Abstract Background
Oropharyngeal aspiration (OPA) can lead to recurrent respiratory illnesses and chronic lung disease in children. Current clinical feeding evaluations performed by speech pathologists have poor reliability in detecting OPA when compared to radiological procedures such as the modified barium swallow (MBS). Improved ability to diagnose OPA accurately via clinical evaluation potentially reduces reliance on expensive, less readily available radiological procedures. Our study investigates the utility of adding cervical auscultation (CA), a technique of listening to swallowing sounds, in improving the diagnostic accuracy of a clinical evaluation for the detection of OPA.

Methods
We plan an open, unblinded, randomised controlled trial at a paediatric tertiary teaching hospital. Two hundred and sixteen children fulfilling the inclusion criteria will be randomised to one of the two clinical assessment techniques for the clinical detection of OPA: (1) clinical feeding evaluation only (CFE) group or (2) clinical feeding evaluation with cervical auscultation (CFE + CA) group. All children will then undergo an MBS to determine radiologically assessed OPA. The primary outcome is the presence or absence of OPA, as determined on MBS using the Penetration-Aspiration Scale. Our main objective is to determine the sensitivity, specificity, negative and positive predictive values of ‘CFE + CA’ versus ‘CFE’ only compared to MBS-identified OPA.

Discussion
Early detection and appropriate management of OPA is important to prevent chronic pulmonary disease and poor growth in children. As the reliability of CFE to detect OPA is low, a technique that can improve the diagnostic accuracy of the CFE will
help minimise consequences to the paediatric respiratory system. Cervical auscultation is a technique that has previously been documented as a clinical adjunct to the CFE; however, no published RCTs addressing the reliability of this technique in children exist. Our study will be the first to establish the utility of CA in assessing and diagnosing OPA risk in young children.

Keywords Paediatric dysphagia
Cervical ausculation
Assessment
Oropharyngeal aspiration
Sensitivity
Specificity
Randomised controlled trial
DOI http://dx.doi.org/10.1186/1745-6215-14-377   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
Open access True
Additional Notes This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Description for Link Link to CC Attribution 2.0 License
URL https://creativecommons.org/licenses/by/2.0/au/legalcode


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Created: Thu, 07 Aug 2014, 17:24:49 CST