Wang Y B
Shanghai Putuo District Centre Hospital.
Zhonghua Wai Ke Za Zhi. 1990 Apr;28(4):211-3, 252.
Upper esophageal sphincter dysfunction is a diseases of a altered esophageal motility characterized by muscular functional obstruction with cervical dysphagia as the main clinical manifestation. It is complicated sometimes by incidental aspiration. Pulmonary infection and even choking. The cricopharyngeal anatomically acts as the upper esophageal sphincter Uncoordinated contraction between cricopharyngeal and pharyngeal muscle could be one of the mechanisms for the development of cervical dysphagia. Cricopharyngeal myotomy has been used to treat functional disorder of the upper esophagus. The rationale for such procedure is to relieve functional obstruction by producing a wide "Opening door" for the upper esophagus. This paper presents 5 cases suffering from severe dysphagia treated with above mentioned procedure. The result is satisfactory that all patients became symptom. Free another female patient who did not undergo the operation has died of sudden choking. Authors concluded that cricopharyngeal myotomy is a simple but effective procedure for treating upper esophageal sphincter dysfunction.
食管上括约肌功能障碍是一种食管动力改变的疾病，其特征为肌肉功能梗阻，主要临床表现为颈部吞咽困难。有时会并发意外误吸、肺部感染甚至窒息。环状咽肌在解剖学上起食管上括约肌的作用。环状咽肌与咽肌之间的不协调收缩可能是颈部吞咽困难发生的机制之一。环状咽肌切开术已被用于治疗食管上段的功能障碍。该手术的原理是通过为食管上段制造一个宽大的“开门”来缓解功能梗阻。本文介绍了5例采用上述手术治疗的严重吞咽困难患者。结果令人满意，所有患者症状消失。另一名未接受手术的女性患者死于突然窒息。作者得出结论，环状咽肌切开术是治疗食管上括约肌功能障碍的一种简单而有效的方法。
