Tongue function can affect both the oral and pharyngeal stages of the swallowing process, and proper tongue strength is vital for safe oropharyngeal swallowing. This trial investigated the effect of tongue-to-palate resistance training (TPRT) on tongue strength and oropharyngeal swallowing function in stroke with dysphagia patients. This trial was performed using a 4-week, two-group, pre-post-design. Participants were allocated to the experimental group (n = 18) or the control group (n = 17). The experimental group performed TPRT for 4 weeks (5 days per week) and traditional dysphagia therapy, whereas the control group performed traditional dysphagia therapy on the same schedule. Tongue strength was measured using the Iowa Oral Performance Instrument. Swallowing function was measured using the videofluoroscopic dysphagia scale (VDS) and penetration-aspiration scale (PAS) based on a videofluoroscopic swallowing study. Experimental group showed more improved in the tongue strength (both anterior and posterior regions, P = 0·009, 0·015). In addition, the experimental group showed more improved scores on the oral and pharyngeal phase of VDS (P = 0·029, 0·007), but not on the PAS (P = 0·471), compared with the control group. This study demonstrated the effectiveness of TPRT in increasing tongue muscle strength and improving swallowing function in patients with post-stroke dysphagia. Therefore, we recommend TPRT as an easy and simple rehabilitation strategy for improving swallowing in patients with dysphagia.
Expiratory muscle strength training (EMST) involves forcible blowing as a means of generating high expiratory pressure, against adjustable resistance. EMST has recently been introduced as a potential treatment for dysphagia. This study was performed to investigate the effects of EMST on the activity of suprahyoid muscles, aspiration and dietary stages in stroke patients with dysphagia. Twenty-seven stroke patients with dysphagia were randomly divided into two groups. The experimental group performed EMST with a 70% threshold value of maximal expiratory pressure, using an EMST device, 5 days a week for 4 weeks. The placebo group trained with a sham device. The EMST regime involved 5 sets of 5 breaths through the EMST device for a total of 25 breaths per day. Activity in the suprahyoid muscle group was measured using surface electromyography (sEMG). Further, the penetration-aspiration scale (PAS) was used to assess the results of the videofluoroscopic swallowing study (VFSS). In addition, dietary stages were evaluated using the Functional Oral Intake Scale (FOIS). The experimental group exhibited improved suprahyoid muscle group activity and PAS results, when compared to the placebo group. Following intervention, statistical analysis indicated significant differences in measured suprahyoid muscle activity (P = 0·01), liquid PAS outcomes (P = 0·03) and FOIS results (P = 0·06), but not semisolid type PAS outcomes (P = 0·32), between the groups. This study confirms EMST as an effective treatment for the development of suprahyoid muscle activity in stroke patients with dysphagia. Additionally, improvements in aspiration and penetration outcomes were observed.
The purpose of this study was to examine the effects of mirror therapy on upper-extremity
function and activities of daily living in chronic stroke patients. [Subjects and Methods]
Fifteen subjects were each assigned to a mirror therapy group and a sham therapy group.
The Fugl-Meyer Motor Function Assessment and the Box and Block Test were performed to
compare paretic upper-extremity function and hand coordination abilities. The functional
independence measurement was conducted to compare abilities to perform activities of daily
living. [Results] Paretic upper-extremity function and hand coordination abilities were
significantly different between the mirror therapy and sham therapy groups. Intervention
in the mirror therapy group was more effective than in the sham therapy group for
improving the ability to perform activities of daily living. Self-care showed
statistically significant differences between the two groups. [Conclusion] Mirror therapy
is effective in improving paretic upper-extremity function and activities of daily living
in chronic stroke patients.
This study demonstrated that CTAR is effective in improving the pharyngeal swallowing function in patients with dysphagia after stroke. Therefore, we recommend CTAR as a new remedial training alternative to HLE.
The head lift exercise (HLE) is a head-raising workout performed in a supine position. This exercise facilitates activation of the submental muscles located above the hyoid bone in front of the neck. HLE is a potential method to improve the movement of the hyolaryngeal movement and swallowing functions. The purpose of this study was to investigate the effect of HLE on the hyolaryngeal movement and aspiration in patients with dysphagic stroke. A total of 27 patients with stroke were randomly assigned either into the experimental (n = 13) or the control group (n = 14). The experimental group performed HLE 5 days a week for 4 weeks (a total of 20 sessions). Both groups received the same conventional dysphagia therapy. Two-dimensional analysis of the hyolaryngeal movement was carried out using Image J program based on a videofluoroscopic swallowing study. Penetration-aspiration was assessed using Penetration-Aspiration Scale (PAS). The experimental group showed a significant increase in the only superior movements of the hyoid bone compared with the control group (P = 0·033). Aspiration in liquid also exhibited a significant decrease in the experimental group compared with the control group (P = 0·044). Findings from this study confirmed that HLE is an effective intervention to improve hyoid movement and decrease aspiration.
[Purpose] The purpose of this study was to determine the effects of mirror therapy with
tasks on upper extremity unction and self-care in stroke patients. [Subjects] Thirty
participants were randomly assigned to either an experimental group (n=15) or a control
group (n=15). [Methods] Subjects in the experimental group received mirror therapy with
tasks, and those in the control group received a sham therapy; both therapies were
administered, five times per week for six weeks. The main outcome measures were the Manual
Function Test for the paralyzed upper limb and the Functional Independence Measure for
self-care performance. [Results] The experimental group had more significant gains in
change scores compared with the control group after the intervention. [Conclusion] We
consider mirror therapy with tasks to be an effective form of intervention for upper
extremity function and self-care in stroke patients.
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