Relationship Between Swallowing Dynamics and Suprahyoid Muscle Activity in Sarcopenic Dysphagia
Inha University Hospital
50 participants
Jun 3, 2024
OBSERVATIONAL
Conditions
Summary
Sarcopenic dysphagia is defined as swallowing difficulty among the elderly due to the loss of whole body skeletal and swallowing muscle mass and function. However, the pathophysiology and dynamics of swallowing in sarcopenic dysphagia have been poorly investigated. Therefore, the present study aims to investigate the characteristics of sarcopenic dysphagia using the Videofluoroscopic study (VFSS) focusing on each phase of dysphagia, and surface Electromyography (surface EMG) to assess suprahyoid muscle activity. In sarcopenic dysphagia, impairments will occur in both the oral and pharyngeal phases, particularly affecting bolus formation, premature bolus spillage and laryngeal elevation during swallowing due to the loss of swallowing muscle mass and function. These changes will be considered to have led to an change of duration and amplitude of suprahyoid muscle activity measured via surface EMG.
Eligibility
Inclusion Criteria3
- years of age or older who underwent VFSS to evaluate the presence of dysphagia
- Patient who diagnosed with sarcopenia based on the cutoff values of the Asian Working Group for Sarcopenia (AWGS) 2019
- Cognitive ability to follow instructions for Videofluoroscopic swallowing study, surface electromyography.
Exclusion Criteria8
- History of cerebral hemorrhage or cerebral infarction
- History of neuromuscular diseases that could lead to dysphagia such as Parkinson's disease, amyotrophic lateral sclerosis, Guillain-Barre disease
- History of Tracheostomy
- History of oropharyngeal cancer
- History of esophageal structural disease that could lead to dysphagia
- History of connective tissue disease
- History of cervical surgical procedure
- Cognitive impairment who cannot follow instructions for Videofluoroscopic swallowing study, surface electromyography
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Interventions
A previous other study has examined the suprahyoid muscle activity patterns in sarcopenic dysphagia patients using surface electromyography (sEMG). However, there was a lack of research analyzing the swallowing dynamics of sarcopenic dysphagia alongside Videofluoroscopic Swallowing Study (VFSS). VFSS enables the observation of swallowing in phases, offering a crucial method for assessing the presence of dysphagia and identifying the specific phases where dysphagia occurs. Therefore, the present study aims to investigate the characteristics of sarcopenic dysphagia across phases using sEMG and VFSS. Additionally, the investigators aim to analyze the relationship between suprahyoid muscle activity patterns and swallowing dynamics utilizing these modalities.
VFSS enables the observation of swallowing in phases, offering a crucial method for assessing the presence of dysphagia and identifying the specific phases where dysphagia occurs. The investigators will utilize Videofluoroscopic Dysphagia Scale (VDS), that composed of fourteen categories, which can be divided into oral and pharyngeal phases to assess scores based on VFSS results. The oral phase composed of 7 items (lip closure, bolus formation, mastication, apraxia, tongue-to-palate contact, premature bolus loss, and oral transit time). The pharyngeal phase also included 7 items (triggering of pharyngeal swallowing, vallecular residues, pyriform sinus residues, laryngeal elevation, coating of pharyngeal wall, pharyngeal transit time, and aspiration). VDS can assess the components of dysphagia in such detail. Therefore, investigators can evaluate the etiology of dysphagia more precisely.
Locations(1)
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NCT07198568