目的：探讨食管压力测定在评估气囊扩张术治疗贲门失弛缓症疗效中的作用。
Aims: To appraise the role of esophageal manometry in assessment of pneumatic dilatation therapy on achalasia.
方法：对2 0例贲门失弛缓症患者行球囊扩张术。
Methods:Twenty patients with achalasia of cardia were given ballon dilation.
食管贲门失弛缓症的为需要的是非常罕见，即使在一食道扩张的存在，并应预留失败后切开术。
The need for esophagectomy for achalasia is very uncommon, even in the presence of a dilated esophagus, and should be reserved for failures after myotomy.
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