Auris, nasus, larynx · 2021
Blowing time ratio and high-resolution manometry to evaluate swallowing function of patients with oral and oropharyngeal cancer.
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Komatsu Hirokazu, Furukawa Tatsuya, Iritani Keisuke, Tatehara Shun, Takahashi Miki, Iwaki Shinobu, Kakei Yasumasa, Hasegawa Takumi, Teshima Masanori, Shinomiya Hirotaka, Otsuki Naoki, Hashikawa Kazunobu, Kiyota Naomi, Sasaki Ryohei, Akashi Masaya, Nibu Ken-Ichi
Аннотация
OBJECTIVE: The blowing time ratio, which is the ratio of the blowing time when the nostrils are open and closed, is significantly correlated with velopharyngeal pressure, not only during speech but also during swallowing. This study aimed to further evaluate the usefulness of the blowing time ratio as a screening tool to evaluate the swallowing pressure of patients treated for oral and oropharyngeal cancers using high-resolution manometery (HRM).
METHODS: Ten patients treated for oral or oropharyngeal cancer were recruited for this study. Swallowing pressures at the velopharynx, oropharynx, and upper esophageal sphincter (UES) were measured using HRM. Their correlations with the blowing time ratio were analyzed.
RESULTS: The blowing time ratio was significantly correlated with the swallowing pressures of the oropharynx (CC = 0.815, p = 0.004) and the velopharynx (CC = 0.657, p = 0.039), but not of the UES.
CONCLUSIONS: The present results further support our previous finding that the blowing time ratio is a useful screening tool to evaluate velopharyngeal and oropharyngeal swallowing pressures in patients treated for oral and oropharyngeal cancer.
METHODS: Ten patients treated for oral or oropharyngeal cancer were recruited for this study. Swallowing pressures at the velopharynx, oropharynx, and upper esophageal sphincter (UES) were measured using HRM. Their correlations with the blowing time ratio were analyzed.
RESULTS: The blowing time ratio was significantly correlated with the swallowing pressures of the oropharynx (CC = 0.815, p = 0.004) and the velopharynx (CC = 0.657, p = 0.039), but not of the UES.
CONCLUSIONS: The present results further support our previous finding that the blowing time ratio is a useful screening tool to evaluate velopharyngeal and oropharyngeal swallowing pressures in patients treated for oral and oropharyngeal cancer.