Tongue pressure against hard palate during swallowing in post‐stroke patients

Hori, Kazuhiro; Ono, Takahiro; Iwata, Hideyuki; Nakamura, Takashi; Kumakura, Isami

doi:10.1111/j.1741-2358.2005.00089.x

Cited by 85 publications

(86 citation statements)

References 25 publications

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“…Over the 2 weeks of RTA wear the function of thermoplastic material diminishes and even deteriorates, 6 leading to a drastically decreased force upon RTA retrieval (-2.67 N, SE = 0.69 N).…”

Section: Discussionmentioning

confidence: 99%

“…6,11 To avoid interfering with the strain that is being measured, technologies such as pressure sensitive films are being developed that endeavor to reduce the thickness of the pressure sensor in order to minimize the interface contact. Pressurex Ò (Fuji Photo Film Co., Ltd Tokyo, Japan), a pressure sensitive polyester film, provides direct pressure distribution and quantification means.…”

Section: Introductionmentioning

confidence: 99%

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A Novel Pressure Film Approach for Determining the Force Imparted by Clear Removable Thermoplastic Appliances

et al. 2007

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Abstract-The force imparted by removable thermoplastic appliances (RTA) onto teeth has not been investigated in the past. This investigation was designed to explore a novel methodology to measure the magnitude and identify the pattern of this force. Eight patients with moderate malocclusion were selected. In each patient, the palatally mal-positioned upper first premolar was corrected by wearing a series of four ClearSmile Ò RTA over a duration of 8 weeks. When constructing RTA, the ClearSmile Ò Company was advised that the amount of movement to be programmed into each appliance was 0.5 mm. The Pressurex Ò film was used to measure the pressure generated by ClearSmile Ò RTA against the palatal surface of the upper first premolar for buccal tipping movement. Three measurements were conducted respectively upon the issue and retrieval of each appliance (after 2 weeks of wear), resulting in 24 pressure measurements for each patient. Digital imaging and spectrophotometry analysis were employed to quantify the stain intensity mounted by the pressure on the films. The irrelevant forces were subtracted out to allow an assessment of the force purely acting to buccally repositioning the tooth. The results revealed that (1) the mean force magnitude over 2 weeks of RTA wear was 1.12 N (SE = 0.72 N); (2) the higher force magnitude of 5.12 N (SE = 0.80 N) seen at the issue of the appliance declined drastically to -2.67 N at the time of retrieval. These findings suggest that ClearSmile Ò RTA exerts a high level of force against the tooth to be moved at the initial stage followed by a rapid force diminish.

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“…Over the 2 weeks of RTA wear the function of thermoplastic material diminishes and even deteriorates, 6 leading to a drastically decreased force upon RTA retrieval (-2.67 N, SE = 0.69 N).…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Novel Pressure Film Approach for Determining the Force Imparted by Clear Removable Thermoplastic Appliances

et al. 2007

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“…Etiologic correlates associated with decreased lingual strength include cerebrovascular accident (CVA; Hori, Ono, Iwata, Nokubi, & Kumakura, 2005;Konaka et al, 2010), muscular dystrophy (HamanakaKondoh et al, 2014;Palmer, Neel, Sprouls, & Morrison, 2010), Parkinson's disease (Unemoto, Tsuboi, Kitashima, Furuya, & Kikuta, 2011), and oropharyngeal cancer (Lazarus, 2006;Lazarus et al, 2000). Although individuals in these diagnostic categories are potential candidates for lingual strength training, their outcomes are likely variable given factors related to the underlying nature of their diagnoses (e.g., remitting, progressive) and any concomitant interventions needed for disease treatment (e.g., radiation therapy).…”

Section: Intervention Protocols and Target Populationsmentioning

confidence: 99%

A Systematic Review of Isometric Lingual Strength-Training Programs in Adults With and Without Dysphagia

McKenna

Zhang

Haines

et al. 2017

Am J Speech Lang Pathol

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Purpose: This systematic review summarizes the effects of isometric lingual strength training on lingual strength and swallow function in adult populations. Furthermore, it evaluates the designs of the reviewed studies and identifies areas of future research in isometric lingual strength training for dysphagia remediation. Method: A comprehensive literature search of 3 databases and additional backward citation search identified 10 studies for inclusion in the review. The review reports and discusses the isometric-exercise intervention protocols, pre-and postintervention lingual-pressure data (maximum peak pressures and lingual-palatal pressures during swallowing), and oropharyngeal swallowing measures such as penetration-aspiration scales, oropharyngeal residue and duration, lingual volumes, and quality-of-life assessments. Results: Studies reported gains in maximum peak lingual pressures following isometric lingual strength training for both healthy adults and select groups of individuals with dysphagia. However, due to the variability in study designs, it remains unclear whether strength gains generalize to swallow function. Conclusion: Although isometric lingual strength training is a promising intervention for oropharyngeal dysphagia, the current literature is too variable to confidently report specific therapeutic benefits. Future investigations should target homogenous patient populations and use randomized controlled trials to determine the efficacy of this treatment for individuals with dysphagia.

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“…In the present study, when analyzing mean and maximum anterior and posterior tongue pressure in post-stroke patients, it was possible to observe that there was also no difference between those who presented hemiplegia on the right or left side. There are no studies in the literature relating hemiplegia and tongue pressure, but some authors (11,19,25) researched the pressure by comparing data from each half portion of the tongue, and observed lower values on the paralyzed side. This fact was not researched in the present study.…”

Section: Discussionmentioning

confidence: 99%

Fatores associados à pressão de língua em pacientes pós-acidente vascular cerebral

Oliveira

Valentim

Vicente

et al. 2017

Audiol., Commun. Res.

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Introduction:The clinical practice of speech pathology in hospitals shows that there is a high prevalence of dysphagia in post-stroke patients. Purpose: To verify whether the time of occurrence, type of stroke, affected hemisphere, severity of neurological deficit, presence or absence of dysphagia, and degree of dysphagia interfere with tongue pressure in post-stroke patients. Methods: This study was conducted in 31 stroke patients. Three evaluations were performed, one of tongue mobility, another of dysphagia, and another of tongue pressure using the Iowa Oral Performance Instrument. Three measurements were performed of anterior and three of posterior tongue pressure. Data were analyzed using appropriate statistics, considering a significance level of 5%. Results: Only the presence of dysphagia was associated with tongue pressure. Post-stroke patients with dysphagia had lower anterior and posterior tongue pressure (mean and maximum) than those without dysphagia. The time of occurrence, type, and affected hemisphere of the stroke and severity of the neurological deficit were not associated with tongue pressure. Regarding the degree of dysphagia, of the 15 participants who had swallowing difficulties, 14 were classified with mild and one with moderate dysphagia. Conclusion: Dysphagia was the most important factor in the decrease of tongue pressure in post-stroke patients.

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Tongue pressure against hard palate during swallowing in post‐stroke patients

Abstract: Measurement of the magnitude of tongue pressure shows promise as a simple, non-invasive and quantitative method by which tongue activity in post-stroke patients, in whom swallowing ability is a concern, could be evaluated.

Cited by 85 publications

References 25 publications

A Novel Pressure Film Approach for Determining the Force Imparted by Clear Removable Thermoplastic Appliances

A Novel Pressure Film Approach for Determining the Force Imparted by Clear Removable Thermoplastic Appliances

A Systematic Review of Isometric Lingual Strength-Training Programs in Adults With and Without Dysphagia

Fatores associados à pressão de língua em pacientes pós-acidente vascular cerebral

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