The clinical study on pre and postoperative swallowing function inunilateral radical neck dissection cases.-the effect of radical neck dissection and postoperative radiation-:—the effect of radical neck dissection and postoperative radiation—
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Swallowing function was investigated in 4 oral cancer patients who underwent secondary unilateral radical neck dissection and 3 who underwent radiotherapy of 50 Gy after unilateral radical neck dissection. We studied swallowing function about the relation between resection of suprahyoid muscles, infrahyoid muscles or postoperative radiotherapy. We also examined postoperative changes over time compared to the preoperative swallowing function by video fluorography.<BR>1. Unilateral radical neck dissection cases.<BR>There was no postoperative change in function in the oral phase (lips closing, holding in the oral cavity and the degree of residual test foods in the oral cavity), but in the pharynx phase, amount of residual all test foods in the pharynx was increased 1 month postoperatively. It reduced and recovered to preoperation function 6 months postoperatively, however.<BR>After unilateral resection of the anterior and posterior bellies of the digastricus and omohyoideus muscles, the forward and upward movement of the hyoid bone and closing of the trachea by the epiglottis during swallowing were good on pre and postoperative examinations over time.<BR>2. Postoperative radiotherapy cases.<BR>There was no postoperative change in the function during the oral phase. In the pharynx phase, some patients had increased residual test foods in the pharynx increased 6 months after radiotherapy, but the forward and upward movement of the hyoid bone and closing of the trachea by the epiglottis during swallowing were good on pre and postoperative examinations.<BR>Our findings suggested that there was no significant deterioration of swallowing function or risk of aspiration in patients who underwent secondary unilateral radical neck dissection or radiotherapy of 50 Gy after unilateral radical neck dissection
- 日本顎口腔機能学会の論文
日本顎口腔機能学会 | 論文
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