The effect of head and neck positions on oropharyngeal swallowing: A clinical and electrophysiologic study

Ertekin, Çumhur; Keskin, Arzu; Kıylıoğlu, Nefati; Kirazlı, Yeşim; On, Arzu Yağız; Tarlacı, Sultan; Aydoğdu, İbrahim

doi:10.1053/apmr.2001.25156

Cited by 95 publications

(79 citation statements)

References 15 publications

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“…Normal subjects vary in the particular sequence and timing of these muscle activations (Gay et al, 1994). This variability may depend on how the sensory input is altered by the bolus (Ertekin et al, 1997), differences in normal sensitivity (Pommerenke, 1927), and head position . Although the pharyngeal phase of swallowing is reflexive and can be elicited by sensory triggers in the oropharynx, it can also be modulated by volitional control.…”

Section: Swallowingmentioning

confidence: 99%

Central nervous system control of the laryngeal muscles in humans

Ludlow

2005

Respiratory Physiology & Neurobiology

143

104

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Laryngeal muscle control may vary for different functions such as: voice for speech communication, emotional expression during laughter and cry, breathing, swallowing, and cough. This review discusses the control of the human laryngeal muscles for some of these different functions. Sensorimotor aspects of laryngeal control have been studied by eliciting various laryngeal reflexes. The role of audition in learning and monitoring ongoing voice production for speech is well known; while the role of somatosensory feedback is less well understood. Reflexive control systems involving central pattern generators may contribute to swallowing, breathing and cough with greater cortical control during volitional tasks such as voice production for speech. Volitional control is much less well understood for each of these functions and likely involves the integration of cortical and subcortical circuits. The new frontier is the study of the central control of the laryngeal musculature for voice, swallowing and breathing and how volitional and reflexive control systems may interact in humans.

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Section: Swallowingmentioning

confidence: 99%

Central nervous system control of the laryngeal muscles in humans

Ludlow

2005

Respiratory Physiology & Neurobiology

143

104

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“…However, different head and neck positions can facilitate the process of swallowing to eliminate aspiration; etc. 15,16 that can help patients with various dysfunctions. Various changes occur in mechanism of swallowing with aging, including slowing of oral stage and trigger of pharyngeal swallow.…”

Section: Discussionmentioning

confidence: 99%

Effect of posture on swallowing

Alghadir¹,

Zafar²,

Al-Eisa³

et al. 2017

Afr H. Sci.

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Background: Swallowing is a systematic process. Any structural, physiological or neurological disturbance in this process may cause dysphagia. Although there are studies that report head/neck movements during mastication, there are fewer studies that show the effect of different head/neck postures on difficulty while swallowing. Objectives: To observe the effect of different body postures on the self-perceived difficulty while swallowing in normal healthy subjects. Methods: Participants were asked to swallow 25 ml of water in one go while sitting upright, sitting with head/neck flexed, head/ neck extended and lying supine. Following this, they had to rate their self-perceived difficulty while swallowing on a scale of 0-10, 0 being most easy and 10 being most difficult. Results: 186 subjects with mean age 32.7 SD 9.04 participated in this study. It was found to be least difficult to swallow when subjects were asked to swallow in upright sitting position. Statistically significant differences were found between sitting upright, sitting with head/neck flexed, head/neck extended and lying supine. Conclusion: Postural modification may help in rehabilitation of patients with dysphagia by affecting bolus flow to improve speed and safety of swallowing by closure of airways to prevent aspiration.

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“…A significant number of diseases are associated with swallowing disorders. Neurological problems are the most frequent cause of these conditions, and those that usually affect swallowing dynamics the most (2) .…”

Section: Introductionmentioning

confidence: 99%

Modificação da voz após deglutição: compatibilidade com achados da videofluoroscopia

Santos

Scheeren

Maciel

et al. 2017

CoDAS

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RESUMO Objetivo Verificar se a modificação da voz após a deglutição relaciona-se com os dados do exame de videofluoroscopia. Método 27 indivíduos com disfagia orofaríngea realizaram a gravação da vogal sustentada /a/ antes e após a deglutição durante exame de videofluoroscopia. Utilizou-se a escala GRBAS e acrescentou-se o aspecto voz molhada para avaliação dos dados. Em relação ao exame, verificou-se estase de alimento em valéculas e recessos piriformes, penetração laríngea, aspiração traqueal e grau de disfagia. Resultados Houve diminuição do grau de alteração e astenia e aumento da tensão fonatória após a deglutição, sem diferença para o parâmetro voz molhada. Obteve-se sensibilidade e especificidade de ±50% para estase em recessos piriformes e valéculas; porém, sensibilidade de 80% para detecção de penetração e de 66-75% para aspiração e modificação da tensão fonatória, com 77-91% de valores preditivos negativos para os três parâmetros de avaliação, sem correlação com o grau de disfagia. Conclusão A modificação dos parâmetros da escala GRBAS após a deglutição apresentou boa compatibilidade com achados da videofluoroscopia.

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The effect of head and neck positions on oropharyngeal swallowing: A clinical and electrophysiologic study

Cited by 95 publications

References 15 publications

Central nervous system control of the laryngeal muscles in humans

Central nervous system control of the laryngeal muscles in humans

Effect of posture on swallowing

Modificação da voz após deglutição: compatibilidade com achados da videofluoroscopia

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