Quantitative approach to analyze hyoid bone movement during swallowing by ultrasound: an integrative review.
Desiré Dominique Diniz de Magalhães, Jayne de Freitas Bandeira, Leandro Pernambuco
PMID 37466503WHAT IT FOUND
Ultrasound is increasingly used to measure hyoid bone movement, but there is no standard way to do it.
Different studies used different equipment, transducer positions, and software, making results impossible to compare. Amplitude is the most common measure, but extraction methods vary widely.
Key findings
01There is no standardized method for using ultrasound to measure hyoid bone movement, with high variability in equipment, transducer positioning, and analysis software.
02Amplitude is the most frequently investigated measure of hyoid bone movement, followed by time and velocity.
03Reliability was only investigated in six of the 26 included studies, and results were not comparable due to differing methods.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The review did not assess the quality or risk of bias of the included studies. Heterogeneity in equipment and methods prevented any meta-analysis or direct comparison of results. Most included studies were conducted on healthy populations, limiting generalizability to patients with dysphagia. Reliability data was sparse, present in only six of the 26 studies.
Declared interests
The authors declared no conflicts of interest. The study was funded by the Coordination for the Improvement of Higher Education Personnel (CAPES) and the National Council for Scientific and Technological Development (CNPq).
The easy way to misread this
Do not assume that ultrasound measurements from one study or clinic are directly comparable to another. The lack of standardized methods for transducer placement and image analysis means that a 'normal' amplitude score in one setting may not mean the same thing in another.