2022
DOI: 10.3390/toxins14050321
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Botulinum Toxin Injection for the Treatment of Upper Esophageal Sphincter Dysfunction

Abstract: Dysphagia associated with upper esophageal sphincter (UES) dysfunction remarkably affects the quality of life of patients. UES injection of botulinum toxin is an effective treatment for dysphagia. In comparison with skeletal muscles of the limb and trunk, the UES is a special therapeutic target of botulinum toxin injection, owing to its several anatomical, physiological, and pathophysiological features. This review focuses on (1) the anatomy and function of the UES and the pathophysiology of UES dysfunction in… Show more

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Cited by 12 publications
(12 citation statements)
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References 86 publications
(203 reference statements)
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“…It is important to note that botulinum toxin injection should only be administered by specialists who are experienced with this technique and when other simple interventions have been attempted with unsatisfactory results. Side effects, including worsening of reflux and temporary worsening of dysphagia, have been reported ( Wei, 2022 ).…”
Section: Dysphagia In Parkinson’s Diseasementioning
confidence: 99%
“…It is important to note that botulinum toxin injection should only be administered by specialists who are experienced with this technique and when other simple interventions have been attempted with unsatisfactory results. Side effects, including worsening of reflux and temporary worsening of dysphagia, have been reported ( Wei, 2022 ).…”
Section: Dysphagia In Parkinson’s Diseasementioning
confidence: 99%
“…& ]. Different techniques can be used to guide botulinum toxin injection, such as transcutaneous EMG, endoluminal injection under endoscope guidance, as well as ultrasound-guided transcutaneous injection and computed tomography [113 ]. Serious complications, including pharyngocutaneous fistulas, mediastinitis, and perforation of the esophagus have also been rarely reported [113 & ].…”
Section: Acupuncturementioning
confidence: 99%
“…Reduced or absent opening of the UES can represent a pivotal pathophysiological mechanism of dysphagia in patients with stroke and Parkinson's disease [54,55,56 ▪▪ ,112,113 ▪ ,114]. In such cases, botulinum toxin injection into the cricopharyngeal muscle (the main component of the UES) can markedly improve the safety and efficacy of swallowing [55,113 ▪ ].…”
Section: Treatment Strategiesmentioning
confidence: 99%
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