【摘要】 目的 探讨肠套叠空气灌肠整复的影响因素，提高肠套叠压力整复操作的安全性。 方法 回顾性分析近5年来经我科诊治的217例小儿急性肠套叠的影像学、临床资料及未能整复的21例的手术病理改变。 结果 整复失败21例手术所见:复杂型套叠15例、回结型套叠6例;术后病理改变:肠管坏死2例、器质性肠套叠1例、肠壁严重充血水肿18例。灌肠术中无一例并发穿孔。 结论 整复失败与病程长、肠壁严重充血水肿及肠管坏死、患者年龄小、复杂型肠套叠、肠道畸形等有关。X线示套头大、分叶状，压力灌肠时显示“嵌顿征”、“绞窄征”及“弹簧套”等难以整复的重要征象。

    关键词 肠套叠 充气造影术 整复失败

    Analysis for the failure of air enema in the acute intussusceptions in children

    Luo Mingxian，Xiao Wenlian，Wang Junbo，et al.

    Department of Radiology，The1 st Affiliated Hospital of Nanhua University，Hengyang421001.

    【Abstract】 Objective To investigate the factors that affect air enema reduction intussusception and to in-crease the safety in such reduction operations.Methods The X-ray findings and the clinic of the217cases of in-tussusception in the past5years including the operative pathology of21unreduced cases were analyzed retrospective-ly.Results Surgical operation shows15of the21unsuccessful cases were complex intussusceptions and6cases were ileocolic intussusceptions.Pathology indicates2cases with intestinal necrosis ......