Allen JE. Cricopharyngeal function or dysfunction: what’s the deal? Curr Opin Otolaryngol Head Neck Surg. 2016;24(6):494–9.
Levendag PC, et al. Dysphagia disorders in patients with cancer of the oropharynx are significantly affected by the radiation therapy dose to the superior and middle constrictor muscle: a dose-effect relationship. Radiother Oncol. 2007;85(1):64–73.
Bossi P, et al. Nasopharyngeal carcinoma: ESMO-EURACAN clinical practice guidelines for diagnosis, treatment and follow-up. Ann Oncol. 2021;32(4):452–65.
Rogus-Pulia NM, et al. Changes in swallowing physiology and patient perception of swallowing function following chemoradiation for head and neck cancer. Dysphagia. 2014;29:223–33.
Messer JA, et al. Magnetic resonance imaging of swallowing-related structures in nasopharyngeal carcinoma patients receiving IMRT: longitudinal dose–response characterization of quantitative signal kinetics. Radiother Oncol. 2016;118(2):315–22.
PubMed PubMed Central Google Scholar
Pu D, et al. The relationships between radiation dosage and long-term swallowing kinematics and timing in nasopharyngeal carcinoma survivors. Dysphagia. 2022;37(3):612–21.
Yeh S-A, et al. Treatment outcomes and late complications of 849 patients with nasopharyngeal carcinoma treated with radiotherapy alone. Int J Radiat Oncol Biol Phys. 2005;62(3):672–9.
Cock C, Omari T. Diagnosis of swallowing disorders: how we interpret pharyngeal manometry. Curr Gastroenterol Rep. 2017;19(1):1–14.
Wu C-H, et al. Dysphagia after radiotherapy: endoscopic examination of swallowing in patients with nasopharyngeal carcinoma. Ann Otol Rhinol Laryngol. 2000;109(3):320–5.
Ouyang Y, et al. Precise visualization of cricopharyngeal dysfunction after radiation therapy for nasopharyngeal carcinoma using ultrasound-guided balloon catheter dilatation: a case description. Quant Imaging Med Surg. 2022;12(9):4713.
PubMed PubMed Central Google Scholar
Cook IJ. Cricopharyngeal function and dysfunction. Dysphagia. 1993;8:244–51.
Berg HM, et al. Cricopharyngeal myotomy: a review of surgical results in patients with cricopharyngeal achalasia of neurogenic origin. Laryngoscope. 1985;95(11):1337–40.
Jeong S-H, et al. Endoscopic botulinum toxin injection for treatment of pharyngeal dysphagia in patients with cricopharyngeal dysfunction. Scand J Gastroenterol. 2018;53(10–11):1201–5.
Fong R, et al. Videofluoroscopic and manometric outcomes of cricopharyngeus balloon dilation for treatment of pharyngo-esophageal dysphagia associated with nasopharyngeal cancer: a case series. Laryngoscope Investig Otolaryngol. 2021;6(5):1077–87.
PubMed PubMed Central Google Scholar
Lee SY, Seo H-G, Paik N-J. Botulinum toxin injection for dysphagia: a blinded retrospective videofluoroscopic swallowing study analysis. Am J Phys Med Rehabil. 2009;88(6):491–4.
Kelly EA, et al. Botulinum toxin injection for the treatment of upper esophageal sphincter dysfunction. Ann Otol Rhinol Laryngol. 2013;122(2):100–8.
PubMed PubMed Central Google Scholar
Alfonsi E, et al. Botulinum toxin is effective in the management of neurogenic dysphagia. Clinical-electrophysiological findings and tips on safety in different neurological disorders. Front Pharmacol. 2017;8: 80.
PubMed PubMed Central Google Scholar
Chang Y-C, et al. Dysphagia in patients with nasopharyngeal cancer after radiation therapy: a videofluoroscopic swallowing study. Dysphagia. 2003;18:135–43.
Omari TI, et al. Upper esophageal sphincter impedance as a marker of sphincter opening diameter. Am J Physiol-Gastrointest Liver Physiol. 2012;302(9):G909–13.
Hoffman HT, et al. Steering sheath for 2-nostril Transnasal office laryngoscopy. Ann Otol Rhinol Laryngol. 2018;127(2):99–104.
Onogi K, et al. Immediate effectiveness of balloon dilatation therapy for patients with dysphagia due to cricopharyngeal dysfunction. Jpn J Compr Rehabil Sci. 2014;5:87–92.
Iwano M, Saitoh E, Kagaya H, Onogi K, Inamoto Y, Shibata S, Akahori R, inventors. Balloon catheter. WIPO Patent WO2019107308A1. 2019-06-06. https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2019107308
Scaglione F. Conversion ratio between Botox®, Dysport®, and Xeomin® in clinical practice. Toxins. 2016;8(3):65.
PubMed PubMed Central Google Scholar
Yun JY, et al. Dysport and Botox at a ratio of 2.5: 1 units in cervical dystonia: a double-blind, randomized study. Mov Disord. 2015;30(2):206–13.
Pan L, et al. Comparing lanbotulinumtoxinA (Hengli®) with onabotulinumtoxinA (Botox®) and incobotulinumtoxinA (Xeomin®) in the mouse hemidiaphragm assay. J Neural Transm. 2019;126:1625–9.
Kocdor P, Siegel ER, Tulunay-Ugur OE. Cricopharyngeal dysfunction: a systematic review comparing outcomes of dilatation, botulinum toxin injection, and myotomy. Laryngoscope. 2016;126(1):135–41.
Kim BW, et al. Botulinum toxin injection in the treatment of postextubation dysphagia: a case report. Ann Rehabil Med. 2018;42(2):358–62.
PubMed PubMed Central Google Scholar
Costa MMB. Videofluoroscopy: the gold standard exam for studying swallowing and its dysfunction. 2010, SciELO Brasil. pp. 327–328.
Ding X, et al. Prevalence and clinical correlation of dysphagia in Parkinson disease: a study on Chinese patients. Eur J Clin Nutr. 2018;72(1):82–6.
Crary MA, Mann GDC, Groher ME. Initial psychometric assessment of a functional oral intake scale for dysphagia in stroke patients. Arch Phys Med Rehabil. 2005;86(8):1516–20.
Kotz T, et al. Prophylactic swallowing exercises in patients with head and neck cancer undergoing chemoradiation: a randomized trial. Arch Otolaryngol Head Neck Surg. 2012;138(4):376–82.
Steele CM, Grace-Martin K. Reflections on clinical and statistical use of the penetration-aspiration scale. Dysphagia. 2017;32(5):601–16.
PubMed PubMed Central Google Scholar
Rommel N, et al. Bolus residue scale: an easy-to-use and reliable videofluoroscopic analysis tool to score bolus residue in patients with dysphagia. Int J Otolaryngol. 2015;2015(1): 780197.
PubMed PubMed Central Google Scholar
Hutcheson KA, et al. Dynamic imaging grade of swallowing toxicity (DIGEST): scale development and validation. Cancer. 2017;123(1):62–70.
Sphincter A-PUE. Non-Invasive Sensor-Based Estimation of Anterior-Posterior Upper Esophageal Sphincter Opening Maximal Distension.
Zhang J, et al. Laryngeal elevation velocity and aspiration in acute ischemic stroke patients. PLoS ONE. 2016;11(9): e0162257.
PubMed PubMed Central Google Scholar
Paik N-J, et al. Movement of the hyoid bone and the epiglottis during swallowing in patients with dysphagia from different etiologies. J Electromyogr Kinesiol. 2008;18(2):329–35.
Leonard R, et al. Fluoroscopic surrogate for pharyngeal strength: the pharyngeal constriction ratio (PCR). Dysphagia. 2011;26:13–7.
Leonard R. Two methods for quantifying pharyngeal residue on fluoroscopic swallow studies: reliability assessment. Ann Otolaryngol Rhinol. 2017;4(3):1168.
Pearson WG, et al. Image-based measurement of post-swallow residue: the normalized residue ratio scale. Dysphagia. 2013;28:167–77.
Logemann JA. Evaluation and treatment of swallowing disorders. Am J Speech Lang Pathol. 1994;3(3):41–4.
Miyaji H, et al. Videofluoroscopic assessment of pharyngeal stage delay reflects pathophysiology after brain infarction. Laryngoscope. 2012;122(12):2793–9.
Ban MJ, et al. Guidelines for the use of botulinum toxin in otolaryngology from the Korean Society of Laryngology, Phoniatrics and Logopedics guideline task force. Clin Exp Otorhinolaryngol. 2023;16(4):291–307.
PubMed PubMed Central Google Scholar
Luan S, et al. Comparison studies of ultrasound-guided botulinum toxin injection and balloon catheter dilatation in the treatment of neurogenic cricopharyngeal muscle dysfunction. Neurorehabil. 2021;49(4):629–39.
Wei WI, Kwong DL. Current management strategy of nasopharyngeal carcinoma. Clin Exp Otorhinolaryngol. 2010;3(1):1–12.
PubMed PubMed Central Google Scholar
Cheng DT, et al. Sonographic assessment of swallowing in irradiated nasopharyngeal carcinoma patients. Laryngoscope. 2018;128(11):2552–9.
Comments (0)