Cystometrogram (CMG) study: in the complete deafferented group, resecting the posterior roots of L 7 to S 3, the bladder became flaccid.

• 2 CMG研究 :保留同一平面 S1 或 S2 前后根的完整 ,其 CMG曲线与完全不切断的对照组相似 ,形成痉挛性膀胱。