Screening of Dysphagia Via Ultrasonography in Patients With Stroke

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-01-22

Study Completion Date

2023-01-01

Brief Summary

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Oropharyngeal dysphagia is commonly seen in patients with stroke. Clinical assessment may be used to evaluate dysphagia in patients with stroke however reliability of this method is controversial and videofluoroscopic study is still considered as gold standard. However, exposure to radiation, necessity for a experienced practitioner, an expensive device, and swallowing contrast agents are disadvantages of videofluoroscopy. Ultrasonography, on the other hand, is a cheap, noninvasive device which may demonstrate tongue and laryngeal movement dynamically. In this manner, this study aims to evaluate whether ultrasound can assess dysphagia in patients with hemiplegia accurately.

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Detailed Description

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For a safe swallowing tongue muscles must function properly and larynx should replace superoanterior to close trachea via stretching cricopharyngeal muscle. In this context, approximation of thyroid cartilage and larynx is important for swallowing. These mechanisms are impaired in stroke, Parkinson's disease, traumatic brain injury, and neuromuscular disorders thus resulting oropharyngeal dysphagia. Clinical examination may be used for assessing dysphagia in those patients however reliability of this method is controversial and videofluoroscopic study is considered as gold standard for assessing dysphagia. Ultrasound is used to assess swallowing functions since 1970s however, the studies commonly focused on tongue thickness and functions. Due to advances in technology besides tongue thickness, ultrasonography may practically demonstrate how larynx and thyroid cartilage approximate and hor larynx moves anteriorly. In literature, three methods came to forefront as evaluation methods for dysphagia: 1) approximation of thyroid cartilage and hyoid bone (THA), 2) tongue thickness in rest (TT), and 3) hyoid bone anterior replacement (HAR). In previous studies, the efficiency of THA for assessing dysphagia via videofluoroscopic study has been demonstrated. However other methods have not been evaluated in dysphagic patients with stroke. Ultrasonography, as a cheap, portable and non-invasive method, is a promising for assessing dysphagia in patients with stroke. In this context, this study aims to test the reliability and efficacy of these three methods via ultrasound in dysphagic stroke patients and test the performance of ultrasound compared to videofluoroscopy.

Conditions

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Dysphagia, Oropharyngeal Stroke

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Single group

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

SINGLE

Outcome Assessors

Outcome assessor will be blinded to ultrasonographic measurements. Statistical analysis will be performed by an independent consultant.

Study Groups

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