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.
结论：内镜下气囊扩张术治疗贲门失弛缓症具有良好的中远期疗效，值得推广应用。
Conclusions: Endoscopic balloon-dilating therapy for achalasia had good medium-long-term curative effect and deserved for further application.
目的：观察内镜下气囊扩张术治疗贲门失弛缓症的中远期疗效，探索贲门失弛缓症的非手术治疗方法。
Objective:To observe the medium-long-term curative effect of endoscopic balloon-dilating therapy for achalasia. To explore a kind of non-surgical method for achalasia.
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