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Reproducibility and reaction time of swallowing as markers of dysphagia in parkinsonian syndromes
Clinical Neurophysiology ( IF 4.7 ) Pub Date : 2020-09-01 , DOI: 10.1016/j.clinph.2020.06.018
Giuseppe Cosentino 1 , Cristina Tassorelli 2 , Paolo Prunetti 3 , Massimiliano Todisco 4 , Roberto De Icco 2 , Micol Avenali 2 , Brigida Minafra 5 , Roberta Zangaglia 5 , Francesca Valentino 5 , Claudio Pacchetti 5 , Giulia Bertino 6 , Simone Mauramati 6 , Mauro Fresia 3 , Enrico Alfonsi 3
Affiliation  

OBJECTIVE To investigate reproducibility and reaction time of oropharyngeal swallowing in patients with Parkinson's disease (PD) and atypical parkinsonisms (APs). METHODS We enrolled 19 patients with PD, 30 with APs, and 20 healthy subjects. Presence and severity of dysphagia were assessed with clinical and fiberoptic endoscopic evaluations of swallowing. Reproducibility of the oral and pharyngeal phases of swallowing were respectively assessed by calculating the 'similarity index' of the electromyography activity of the submental/suprahyoid muscles and of the laryngeal-pharyngeal mechanogram during consecutive swallows. These were performed both 'on command' and spontaneously. The swallowing reaction time was also recorded. RESULTS Reproducibility of the oral phase of swallowing was reduced in patients with dysphagia, mainly when swallowing 'on command'. Swallowing reaction time was prolonged in dysphagic patients. These electrophysiological parameters did not vary among different parkinsonian syndromes and correlated with dysphagia severity. CONCLUSIONS Increased variability of oral swallowing automatisms and abnormal sensorimotor integration may be of relevance for the pathophysiology of dysphagia in parkinsonian syndromes. SIGNIFICANCE The electrophysiological assessment represents a valuable tool to investigate swallowing alterations in parkinsonian syndromes. It may also provide useful insights into clinical severity and pathophysiology of dysphagia, giving clues for the choice of the best therapeutic approach.

中文翻译:

吞咽作为帕金森综合征吞咽困难标志物的再现性和反应时间

目的 研究帕金森病(PD)和非典型帕金森综合征(APs)患者口咽吞咽的可重复性和反应时间。方法 我们招募了 19 名 PD 患者、30 名 AP 患者和 20 名健康受试者。吞咽困难的存在和严重程度通过吞咽的临床和纤维光学内窥镜评估进行评估。通过计算连续吞咽期间颏下/舌骨上肌的肌电图活动和喉-咽机械图的“相似指数”,分别评估吞咽的口腔和咽阶段的可重复性。这些都是“根据命令”和自发进行的。还记录吞咽反应时间。结果 吞咽困难患者口腔吞咽阶段的可重复性降低,主要是在“按命令”吞咽时。吞咽困难患者的吞咽反应时间延长。这些电生理参数在不同的帕金森综合征之间没有变化,并且与吞咽困难的严重程度相关。结论 口腔吞咽自动化和异常感觉运动整合的变异性增加可能与帕金森综合征吞咽困难的病理生理学有关。意义 电生理评估是研究帕金森综合征吞咽改变的重要工具。它还可以提供对吞咽困难的临床严重程度和病理生理学的有用见解,为选择最佳治疗方法提供线索。这些电生理参数在不同的帕金森综合征之间没有变化,并且与吞咽困难的严重程度相关。结论 口腔吞咽自动化和异常感觉运动整合的变异性增加可能与帕金森综合征吞咽困难的病理生理学有关。意义 电生理评估是研究帕金森综合征吞咽改变的重要工具。它还可以提供有关吞咽困难的临床严重程度和病理生理学的有用见解,为选择最佳治疗方法提供线索。这些电生理参数在不同的帕金森综合征之间没有变化,并且与吞咽困难的严重程度相关。结论 口腔吞咽自动化和异常感觉运动整合的变异性增加可能与帕金森综合征吞咽困难的病理生理学有关。意义 电生理评估是研究帕金森综合征吞咽改变的重要工具。它还可以提供有关吞咽困难的临床严重程度和病理生理学的有用见解,为选择最佳治疗方法提供线索。结论 口腔吞咽自动化和异常感觉运动整合的变异性增加可能与帕金森综合征吞咽困难的病理生理学有关。意义 电生理评估是研究帕金森综合征吞咽改变的重要工具。它还可以提供对吞咽困难的临床严重程度和病理生理学的有用见解,为选择最佳治疗方法提供线索。结论 口腔吞咽自动化和异常感觉运动整合的变异性增加可能与帕金森综合征吞咽困难的病理生理学有关。意义 电生理评估是研究帕金森综合征吞咽改变的重要工具。它还可以提供对吞咽困难的临床严重程度和病理生理学的有用见解,为选择最佳治疗方法提供线索。
更新日期:2020-09-01
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