1.Correlation between maximum tongue pressure and oropharyngeal activity in patients with dysphagia after radiotherapy for nasopharyngeal carcinoma
Fei ZHAO ; Wu Mi Ti Ai Hai Ti ; Siming SUN ; Yaowen ZHANG ; Chunqing XIE ; Chen YANG ; Zulin DOU ; Zhiming TANG
Chinese Journal of Physical Medicine and Rehabilitation 2023;45(12):1073-1077
Objective:To observe the maximum tongue pressure and study the oropharyngeal activity during swallowing of patients with nasopharyngeal carcinoma (NPC) after radiotherapy so as to correlate the maximum tongue pressure with swallowing function.Methods:The mean maximum tongue pressure of nineteen NPC patients with dysphagia was measured at the anterior (TA), middle (TM) and posterior (TP) positions, followed by video fluoroscopy. Oral transit time (OTT), upper esophageal sphincter(UES)opening time (UOT) and UES opening range (UOR) were correlated with the mean maximum tongue pressures.Results:The maximum pressure at the TM and TP positions was significantly negatively correlated with OTT, but there was no significant correlation with the anterior readings. The maximum pressures at all three tongue positions were, however, positively correlated with UOT and UOR.Conclusion:The maximum pressure at the TA, TM and TP positions is strongly correlated with the swallowing function of NPC patients.
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