劍橋詞典a condition in which the sphincter muscle of the oesophagus does not relax enough to allow someone to swallow normally 失弛緩癥（由于食管括約肌弛緩不全致使無法正常吞咽） Patients with advanced achalasia may be better managed with primary oesophageal resection. 失弛緩癥嚴重的患者可能直接采用食道切除術(shù)效果會比較好。 返回 achalasia