脊髄々膜瘤における直腸肛門機能の検討

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Anorectal manometric studies employing an infused open-tip method were performed on 30 children with myelomeningocele. The studies were proven to be valuable in the assessment of bowel functions in these patients. The recto-anal inhibitory reflex was demonstrated in all cases. According to the character-istic patterns, the reflex was classified into three types; normal-reflex, hyper-reflex and spon-taneous-reflex type. Normal reflex was observed in 16 cases. The reflex with large rhythmical activity and hypersensitivity to the rectal stimulation was observed in 7 cases of hyper-reflex type. The rhythmical activities had the exaggerated fluctuations as if the reflex were bursting in 6 cases of spontaneous-reflex type. Anorectal pressure profiles were also obtained. According to their shapes, they were classi-fied into three types; normal, hypotonic and patulous type. Normal profile was observed in 10 cases. The higher pressure zone disappeared in 11 cases of hypotonic type. There were poor pressure gradients in 9 cases of patulous type. Hypotonic and patulous types were more frequently observed in those patients whose levels of neurologic involvement were in the sacral region. The type of reflex was shown to have little correlation with the clinically evaluated bowel functions, but a remarkable correlationship was demonstrated between the type of pressure profile and the bowel functions.
特定非営利活動法人日本小児外科学会の論文
1981-06-20

脊髄々膜瘤における直腸肛門機能の検討

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