Abstract
Normal swallow requires complex neuromuscular coordination from the oral cavity, via pharyngo-oesophagus to the stomach and involves protecting the airway during food passage. This may be disrupted by a variety of pathologies causing either extrinsic compression, pharyngeal or oesophageal dysmotility or luminal occlusion. Dysfunctional swallow may be considered as either oropharyngeal (“high”) or oesophageal (“low”) dysphagia, each with a range of different aetiologies.
This chapter reviews the four phases of normal swallow, before considering the epidemiology, impact and aetiology of dysphagia. Swallowing and feeding disorders are relatively common and often under-recognised, with the greatest impact at the extremes of age. With frequent coexisting pathologies and multiple aggravating factors, complementary skills are required in dysphagia management across primary and secondary care, including gastrointestinal specialties, ENT, neurology, paediatrics, dietetics, speech and swallow therapy, stroke care, along with dedicated endoscopists, radiologists and physiologists for diagnosis and follow-up.
Multidisciplinary team members should be familiar with the multiple causes of dysphagia, the possible complications, appropriate diagnostic evaluation, plus the treatment options. Diagnostic investigative tools for evaluating dysphagia and the context for their use are reviewed, with cases selected to illustrate the causes, investigation and treatment options across a broad range of clinical scenarios.
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Tatla, T.S., Balakumar, R., Govender, R., Hayat, J., Gibson, D., Mainta, E. (2021). Imaging in Swallow Disorder. In: Tatla, T.S., Manjaly, J., Kumar, R., Weller, A. (eds) Head and Neck Imaging. Springer, Cham. https://doi.org/10.1007/978-3-030-80897-6_15
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DOI: https://doi.org/10.1007/978-3-030-80897-6_15
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