Results: Pain was relieved and normal defecation function was restored soon after operation in all patients.
结果全部治愈，均能及时解除痛苦，恢复排便功能。
Relaxation pressure of sphincter during defecation was higher in constipation group of IBS than that in normal subjects (P<0.05).
排便时IBS便秘组患者的肛管松弛压高于正常对照组（P< 0 .0 5 ）。
Relaxation pressure of sphincter during defecation was higher in constipation group of IBS than that in normal subjects (P<0.05).
排便时IBS便秘组患者的肛管松弛压高于正常对照组（P< 0 .0 5 ）。
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