Laryngeal Vibration Increases Spontaneous Swallowing Rates in Chronic Oropharyngeal Dysphagia: A Proof-of-Principle Pilot Study

Kamarunas, Erin; Wong, Seng Mun; Ludlow, Christy L.

doi:10.1007/s00455-018-9962-z

Cited by 8 publications

(4 citation statements)

References 48 publications

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“…Interventions to stimulate swallows appear successful. Four studies were effective at increasing SSF in cohorts with dysphagia; two found facio-oral tract therapy to significantly increase swallow rate ( Konradi et al, 2015 ; Seidl, 2007 ), one used gustatory stimulation ( Brady et al, 2016 ) and one successfully applied vibrations to stimulation the larynx in a dysphagic cohort ( Kamarunas et al, 2019 ). Studies reported that these interventions have the potential to improve swallow function in those with dysphagia via the measurement of SSF, but no studies report long term outcomes.…”

Section: Discussionmentioning

confidence: 99%

“…We and others are assessing the utility of spontaneous swallowing frequency (SSF) ( Crary et al, 2014 ) in this role. SSF is the rate of swallowing over a prolonged period without purposeful intervention; reduced SSF is mooted as an indicator of dysphagia in clinical populations that include: post-stroke ( Crary et al, 2014 ); head and neck cancer ( Kamarunas et al, 2019 ); Parkinson’s disease ( Pehlivan et al, 1996 ); and older persons ( Crary et al, 2013 ; Murray et al, 1996 ; Tanaka et al, 2013 ). Recent advances in technology have enabled an assortment of cheap, non-invasive swallow detectors.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of Spontaneous Swallow Frequency in Healthy People and Those With, or at Risk of Developing, Dysphagia: A Review

Bulmer

Ewers

Drinnan

et al. 2021

Gerontology and Geriatric Medicine

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Dysphagia is a common and frequently undetected complication of many neurological disorders and of sarcopoenia in ageing persons. Spontaneous swallowing frequency (SSF) has been mooted as a possible tool to classify dysphagia risk. We conducted a review of the literature to describe SSF in both the healthy population and in disease-specific populations, in order to consider its utility as a screening tool to identify dysphagia. We searched Medline, Embase, Cochrane Database of Systematic Reviews and Cochrane Central Register of Controlled Trials databases. Metadata were extracted, collated and analysed to give quantitative insight. Three hundred and twelve articles were retrieved, with 19 meeting inclusion and quality criteria. Heterogeneity between studies was high (I2 = 99%). Mean SSF in healthy younger sub-groups was 0.98/min [CI: 0.67; 1.42]. In the Parkinson’s sub-group, mean SSF was 0.59/min [0.40; 0.87]. Mean SSF in healthy older, higher risk and dysphagic populations were similar (0.21/min [0.09; 0.52], 0.26/min [0.10; 0.72] and 0.30/min [0.16; 0.54], respectively). SSF is a novel, non-invasive clinical variable which warrants further exploration as to its potential to identify persons at risk of dysphagia. Larger, well-conducted studies are needed to develop objective, standardised methods for detecting SSF, and develop normative values in healthy populations.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Evaluation of Spontaneous Swallow Frequency in Healthy People and Those With, or at Risk of Developing, Dysphagia: A Review

Bulmer

Ewers

Drinnan

et al. 2021

Gerontology and Geriatric Medicine

View full text Add to dashboard Cite

show abstract

“…Interventions to stimulate swallows appeared to be successful though these studies were often not blinded or randomised so were open to bias, and it is di cult to know to what degree any improvements could be considered clinically signi cant. Four studies were effective at increasing SSF in groups with dysphagia; two found facio-oral tract therapy to signi cantly increase swallow rate [21,22] one used gustatory stimulation [23], and one successfully applied vibrations to stimulation the larynx in a dysphagic group [24]. Studies reported that these interventions have the potential to improve swallow function in those with dysphagia via the measurement of SSF, but no studies report long term outcomes.…”

Section: Secretion Management and Interventions To Increase Ssfmentioning

confidence: 99%

“…We and others are assessing the utility of spontaneous swallowing frequency (SSF) [7] in this role. SSF is the rate of swallowing over a prolonged period without purposeful intervention; reduced SSF is mooted as an indicator of dysphagia in clinical populations that include: post-stroke [7]; head and neck cancer [24]; Parkinson's disease [26];…”

mentioning

confidence: 99%

Evaluation of Spontaneous Swallow Frequency in Healthy People and Those With, or at Risk of Developing, Dysphagia: A Systematic Review and Meta-Analysis.

Bulmer

Ewers

Drinnan

et al. 2021

Preprint

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BackgroundDysphagia is a common, and frequently undetected, complication of many neurological disorders and of sarcopoenia in ageing persons. However it is difficult to detect dysphagia clinically until the point of visible aspiration, and there are relatively few trained speech and language therapists, whose time and remit are limited to those with obvious disorders. Reduction in spontaneous swallowing frequency (SSF) has been mooted as a possible proxy for dysphagia. We therefore conducted a systematic review of the literature to describe SSF in both the healthy population, and in disease specific populations, in order to assess its utility as a screening tool to identify dysphagia.MethodsWe searched Medline, Embase, Cochrane Database of Systematic Reviews, and Cochrane Central Register of Controlled Trials databases. Metadata were extracted, collated, and analysed via a random effects model to give quantitative insight.ResultsThree hundred and twelve articles were retrieved, with 19 meeting inclusion and quality criteria. Heterogeneity between studies was high (I2 = 98%), in part, due to the variety of methods for swallow identification reported. The mean SSF in Healthy younger groups was 0.98/min [CI: 0.78; 1.23]. In the Parkinson’s groups mean SSF was 0.59/min [0.41; 0.85]. Mean SSF in Healthy older, Higher risk and Dysphagic populations were similar (0.21/min [0.12; 0.37], 0.26/min [0.14; 0.85]), (0.27/min [0.17; 0.43] respectively).ConclusionsSSF is a novel, non-invasive clinical variable which warrants further explorations as to its potential to identify persons at risk of dysphagia. Larger, well-conducted studies are needed to develop objective, standardised methods for detecting SSF, and develop normative values in healthy populations.

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Avoiding the Downward Spiral After Stroke: Early Identification and Treatment of Dysphagia

Mulheren

Azola

González-Fernández

2020

Curr Phys Med Rehabil Rep

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Laryngeal Vibration Increases Spontaneous Swallowing Rates in Chronic Oropharyngeal Dysphagia: A Proof-of-Principle Pilot Study

Cited by 8 publications

References 48 publications

Evaluation of Spontaneous Swallow Frequency in Healthy People and Those With, or at Risk of Developing, Dysphagia: A Review

Evaluation of Spontaneous Swallow Frequency in Healthy People and Those With, or at Risk of Developing, Dysphagia: A Review

Evaluation of Spontaneous Swallow Frequency in Healthy People and Those With, or at Risk of Developing, Dysphagia: A Systematic Review and Meta-Analysis.

Avoiding the Downward Spiral After Stroke: Early Identification and Treatment of Dysphagia

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