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目的 利用核素排便造影的方法探讨先天性无肛畸形患儿排便功能的改变。方法 对4 3例无肛畸形患儿和 11例正常儿进行核素排便造影检查 ,分析患儿组反映直肠肛管综合控制能力、排便功能和耻骨直肠肌功能的客观指标变化。结果 正常儿直肠肛管保留率为 (92 .5± 3.3) % ,而无肛畸形患儿临床评分优组为 (80 .5 1± 9.6 7) % ,临床评分劣组为 (5 1.14± 6 .90 ) % ,均明显低于正常组(P <0 .0 5 )。合并术后便秘的患儿组的残留率明显增大 ,排空率明显降低 ,半排时间明显延长 ,统计学分析 ,差异有显著性意义。结论 核素排便造影方法是评价肛门直肠功能和排便功能的重要客观检测方法 ,无肛畸形患儿的肛门直肠和排便均有不同程度的改变。
Objective To investigate the changes of defecation function in children with congenital anorectal malformations by radionuclide imaging. Methods The radionuclide imaging examination was performed in 43 children with no analectomy and 11 normal children. The changes of objective indexes reflecting the comprehensive control ability of the rectum and anal canal, defecation function and puborectalis were analyzed. Results The retention rate of rectal and anal canal in normal children was (92.5 ± 3.3)%, while that in children without rectal malformations was (80.51 ± 9.67)% and that in clinical scores was (5 1.14 ± 6) .90)%, were significantly lower than the normal group (P <0. 05). The residual rate of constipation patients with postoperative complications was significantly increased, the evacuation rate was significantly reduced, half a row of time was significantly longer, statistical analysis, the difference was significant. Conclusions Radionuclide imaging is an important objective method for evaluating anorectal function and defecation function. Anorectal malformations are associated with varying degrees of anorectal and bowel defecation.