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报告在喉切除环（气管）咽吻合术中，同时切断环咽肌２５例（切断组），与未切断的２８例（未切组）进行比较。结果切断组术后鼻饲天数明显少于未切组，差异有极显著意义（Ｐ＜０．０１）；切断组术后无一例发生吞咽困难，与未切组之间差异显著（Ｐ＜０．０５）；而两组咽瘘的发生率差异无显著性（Ｐ＞０．０５）。故认为术中切断环咽肌方法简单，效果确实，对预防术后环咽失弛缓症及促进吞咽功能的恢复、缩短鼻饲时间有积极的意义。
Reported in the laryngectomy ring (trachea) pharyngeal anastomosis, while cutting off the cricopharyngeal muscle in 25 cases (cut group), and not cut off in 28 cases (uncut group) were compared. Results The number of postoperative nasal feeding days in the severed group was significantly less than that in the uncut group (P <0.01). No dysphagia occurred in the resected group after operation, which was significantly different from that in the uncut group (P <0.01). 05). There was no significant difference in the incidence of pharyngeal fistula between the two groups (P> 0.05). Therefore, the method of intraoperative cricopharyngeal cut off is simple, the effect is indeed, to prevent postoperative achalasia and promote swallowing recovery, shortening the time of nasal feeding has a positive meaning.