Effects of tongue right positioner use on tongue pressure: a pilot study

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Abstract

The effectiveness of the tongue right positioner (TRP) use on oral and swallowing functions remains unclear. To investigate the effects of TRP use on tongue function in patients with dysphagia. This interventional study included eight participants with dysphagia who visited a university dental hospital. The measurement variables included tongue pressure (TP) as the primary outcome and lip and tongue movements, peak nasal inspiratory flow, and changes in the tongue and suprahyoid muscle regions on ultrasonography as the secondary outcomes. Each participant was asked to use a TRP for at least 8 h every night for 2 months. The measurement variables before and after the intervention were compared using the paired t test and Wilcoxon signed-rank test. TP after intervention (31.5 ± 13.1 kPa) was significantly higher than that before intervention (23.0 ± 13.4 kPa), while other measurement variables did not significantly improve. Numerous exercises have been suggested to improve TP; however, most require patients’ adherence to instructions. In contrast, although participants did not perform active exercises, most participants in this study observed an improved TP. Our findings show that TRP can greatly improve TP after 2 months of usage.

Trial registration number: University Hospital Medical Information Network Clinical Trials Registry (UMIN000040253, date of first registration: 27/04/2020).

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Initial psychometric assessment of a functional oral intake scale for dysphagia in stroke patients.

Michael E Groher, Michael Crary, Giselle Carnaby (2005)

To report on the development and psychometric evaluation of a clinical scale to document change in functional oral intake of food and liquid in stroke patients. Validity and reliability study. Tertiary care, academic medical center, metropolitan stroke unit. Acute stroke patients (N=302). Not applicable. Interrater reliability, validity, and sensitivity to change assessments were completed on a 7-point ordinal scale-the Functional Oral Intake Scale (FOIS)-developed to document the functional level of oral intake of food and liquid in stroke patients. Interrater reliability was drawn from FOIS ratings applied to dietary information from patient medical charts. Consensual validity was estimated by rankings from judges against predefined scale scores. Criterion validity was evaluated by comparison to the Modified Rankin Scale, the Modified Barthel Index, and Mann Assessment of Swallowing Ability. Cross-validation was assessed via comparison to 2 physiologic measures of swallowing function. Change in functional oral intake over time was assessed descriptively by applying the scale to dietary information from a cohort of 302 acute stroke patients followed up for 6 months. Interrater reliability was high, with perfect agreement on 85% of ratings. Kappa statistics ranged from .86 to .91. Consensual validity was high (.90). Criterion validity was high at onset and 1 month poststroke. Significant associations were identified between the FOIS and stroke handicap scales. The FOIS was significantly associated with 2 physiologic measures of swallowing. Scores on the FOIS from the cohort of stroke patients showed a shift toward increased oral intake over a 6-month period. The FOIS had adequate reliability, validity, and sensitivity to change in functional oral intake. These findings suggest that the FOIS may be appropriate for estimating and documenting change in the functional eating abilities of stroke patients over time.

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Standard values of maximum tongue pressure taken using newly developed disposable tongue pressure measurement device.

M Yoshikawa, Yasumasa Akagawa, Yuri Utanohara … (2008)

It is clinically important to evaluate tongue function in terms of rehabilitation of swallowing and eating ability. We have developed a disposable tongue pressure measurement device designed for clinical use. In this study we used this device to determine standard values of maximum tongue pressure in adult Japanese. Eight hundred fifty-three subjects (408 male, 445 female; 20-79 years) were selected for this study. All participants had no history of dysphagia and maintained occlusal contact in the premolar and molar regions with their own teeth. A balloon-type disposable oral probe was used to measure tongue pressure by asking subjects to compress it onto the palate for 7 s with maximum voluntary effort. Values were recorded three times for each subject, and the mean values were defined as maximum tongue pressure. Although maximum tongue pressure was higher for males than for females in the 20-49-year age groups, there was no significant difference between males and females in the 50-79-year age groups. The maximum tongue pressure of the seventies age group was significantly lower than that of the twenties to fifties age groups. It may be concluded that maximum tongue pressures were reduced with primary aging. Males may become weaker with age at a faster rate than females; however, further decreases in strength were in parallel for male and female subjects.

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Reliability of the Barthel Index when used with older people.

Douglas Young, Gudrun Seebass, Aruna T Bansal … (2005)

the Barthel Index (BI) has been recommended for the functional assessment of older people but the reliability of the measure for this patient group is uncertain. To investigate this issue we undertook a systematic review to identify relevant studies from which an overview is presented. studies investigating the reliability of the BI were obtained by searching Medline, Cinahl and Embase to January 2003. Screening for potentially relevant papers and data extraction of the studies meeting the inclusion criteria were carried out independently by two researchers. the scope of the 12 studies identified included all the common clinical settings relevant to older people. No study investigated test-retest reliability. Inter-rater reliability was reported as 'fair' to 'moderate' agreement for individual BI items, and a high percentage agreement for the total BI score. However, these findings were difficult to interpret as few studies reported the prevalence of the disability categories for the study populations. There may be considerable inter-observer disagreement (95% CI of +/-4 points). There was evidence that the BI might be less reliable in patients with cognitive impairment and when scores obtained by patient interview are compared with patient testing. The role of assessor training and/or guidelines on the reliability of the BI has not been investigated. although the BI is highly recommended, there remain important uncertainties concerning its reliability when used with older people. Further studies are justified to investigate this issue.