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目的探讨肠套叠引起肠坏死的有关因素。方法比较３４９例非坏死性肠套叠和９２例坏死性肠套叠的发病情况，统计分析肠套叠肠坏死的相关因素。结果坏死性肠套叠组发病年龄≤６ｍ者６９．５％，发病至手术时间≤２４ｈ占１６．６％，＞４８ｈ占５５．４％，器质性病变占１９．７％、复套型占４４．６％、回盲型占１６．３％；而非坏死性肠套叠组各项分别为４７．８％（Ｐ＜０．０５）、４５．８％（Ｐ＞０．０５）、２４．３％（Ｐ＜０．０５）、２．５％（Ｐ＜０．０５）、４１．０％（Ｐ＞０．０５）和２６．１％（Ｐ＜０．０５）。结论坏死性肠套叠发生与发病年龄、发病至手术时间、是否存在器质性病变及某些肠套类型显著相关，与性别、是否复套型无关
Objective To explore the causes of intestinal intussusception caused by intestinal necrosis. Methods The incidence of non-necrotic intussusception and 92 cases of necrotizing intussusception was compared between 349 cases and the related factors of intussusception were analyzed statistically. Results The incidence of necrosis intussusception was 69.5% in patients ≤6m, the incidence was less than 24h after operation (16.6%),> 48h (55.4%), organic disease was 19.7% Accounting for 44.6% and 16.3% for non-necrotic type, respectively (P <0.05), 45.8% (P> 0.05) , 24.3% (P <0.05), 2.5% (P <0.05), 41.0% (P> 0.05) and 26.1% (P <0.05). Conclusion The incidence of necrotizing intussusception is related to the age of onset, the time from onset to operation, the presence or absence of organic lesions and some types of intussusception, and is not related to the gender or the type of intussusception