月经周期与阑尾炎聚集病例

目的：探讨女性生理特征与阑尾炎聚集病例的关系。方法：现场调查病例的分布特征及其危险因素，复习病历，收集临床资料及月经史。结果：１９９７年４月１１日～１９９８年４月３日，武汉某校共发生２２例患者，１７例手术。其中１６例为学生，男女生罹患率分别为２８％（４／１４５）和８８％（１２／１３７），差别有显著性（χ２＝４．７４，Ｐ＜００５）。５例未手术者中，４例为女生。１１例月经规则的手术患者中，月经期发病者１例，卵泡期６例，黄体期４例；９例阑尾出血，月经期１例，卵泡期６例，黄体期２例。对危险因子的比较显示，男女间差别无显著性。结论：本次发生的可能是一种特殊类型的阑尾炎，女性可能具有更高的易感性。

The Menstrual Cycle and Cases of Acute Appendicitis in a Cluster

Objective:To examine the influence of the menstrual cycle on incidence of acute appendicitis in a cluster.Method:Distribution of cases of acute appendicitis,exposure factors and menstrual histories were investigated.Results:Among the 22 cases of acute appendicitis which occurred at a middle school in Wuhan from April 11,1997 to April 3,1998,17 were demonstrated by pathological examination.9 out of the 17 cases occurred between May 12 and June 13,1997.Attack rates in male and female students were 2.8%(4/145) and 8.8% (12/137) respectively ( χ 2=4.74,P <0.05).Among 11 operated cases with normal menstrual cycle,one occurred in menstrual phase,6 in follicular phase and 4 in luteal phase.Among 9 cases of hemorrhagic appendicitis,1,6 and 2 occurred in the above 3 phases respectively.There were no significant differences in exposure factors between female and male students.Conclusion:The female were more susceptible to this kind of acute appendicitis.Influence of the menstrual cycle on incidence of these cases couldn't be excluded.