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

Frakking, Thury 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 1: 377.1-377.7. doi:10.1186/1745-6215-14-377

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Author Frakking, Thury T.
Chang, Anne B.
O'Grady, Kerry.-Ann F.
Walker-Smith, Katie
Weir, Kelly A.
Title Cervical auscultation in the diagnosis of oropharyngeal aspiration in children: A study protocol for a randomised controlled trial
Journal name Trials   Check publisher's open access policy
ISSN 1745-6215
Publication date 2013-11-07
Year available 2013
Sub-type Article (original research)
DOI 10.1186/1745-6215-14-377
Open Access Status DOI
Volume 14
Issue 1
Start page 377.1
End page 377.7
Total pages 8
Place of publication London, United Kingdom
Publisher BioMed Central Ltd
Collection year 2014
Language eng
Subject 2701 Medicine (miscellaneous)
2736 Pharmacology (medical)
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. Trial registration: Australia and New Zealand Clinical Trials Register (ANZCTR) number ACTRN12613000589785.
Keyword Assessment
Cervical auscultation
Oropharyngeal aspiration
Paediatric dysphagia
Randomised controlled trial
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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