Sphincterotomy is currently the main treatment of DESD, but its irreversability, high failure rate and high re-operation rate make it not so acceptable to most SCI patients.

• 括约肌切开术是目前认为较有效的方法，但是它的高失败率和再开刀率及不可逆性，使此疗法仍无法被广泛接受。