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目的 应用直肠肛管向量测压技术评估先天性巨结肠患儿术后肛门括约肌功能。方法 利用直肠肛管向量测压技术 ,对 4 2例先天性巨结肠患儿术后及 2 1例正常儿进行肛门括约肌功能的评估。结果 根据临床症状将患儿分为污便组、便秘组和排便功能良好组。巨结肠患儿术后肛管静息压力及向量容积均显著低于正常儿 (P <0 .0 1) ,污便组的静息压力及向量容积明显低于排便功能良好组 ,对称指数无明显变化 ,14 .3%恢复了直肠肛门抑制反射。结论 先天性巨结肠患儿术后肛管最大压力及向量容积下降。直肠肛管向量测压技术是评估先天性巨结肠患儿术后肛门括约肌功能较客观全面的方法。
Objective To evaluate the anal sphincter function in children with Hirschsprung ’s disease by vector rectal analgesia. Methods The anal sphincter function was evaluated with the technique of rectal anal volume measurement in 42 children with Hirschsprung ’s disease and 21 normal children. Results According to the clinical symptoms, the children were divided into stool group, constipation group and defecation function good group. The resting pressure and volume of anal canal in Hirschsprung’s disease group were significantly lower than those of normal children (P <0.01). The resting pressure and volume of defecation group were significantly lower than that of defecation function group Significant changes, 14.3% restored rectal anal reflex. Conclusions The maximal anal canal pressure and volume decrease after operation in children with Hirschsprung’s disease. Anorectal vector manometry technique is an objective and comprehensive method to evaluate the anal sphincter function in children with Hirschsprung’s disease.