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目的：分析围术期抗菌药预防剖宫产术后感染的效果以及肺部真菌感染后 CT 影像学特诊。方法：将 2014 年 12 月至 2016 年 10 月我院 300 例剖宫产产妇随机分为 A、B、C 3组，A 组仅在术前 30min 静脉滴注抗菌药，B 组在 A 组基础上增加术后 3d 连续静脉滴注抗菌药，C 组经在术后 3d 连续使用静脉滴注抗菌药。结果：A、B 组住院时间均低于 C 组；A、B组最高体温、CRP 水平、WBC 计数均低于 C 组，且 A 组 CRP、WBC 计数均低于 B 组；A、B 组感染率均低于 C 组（P 均＜0.05）。A 组无肺部感染，B 组和 C 组均为肺部真菌感染 CT 下表现为多发弥漫小片结节状，随意分布，成棉团样，少有间质增厚，进展快但无胸水。结论：术前 30min 静滴抗菌药能有效预防术后炎性反应和感染，促进愈合；剖宫产后产妇机体免疫能力下降，出现肺部真菌感染，可使用 CT 及时定性并治疗，术前应重点对合并疾病的产妇进行感预防。
OBJECTIVE: To analyze the effect of perioperative antibacterials in preventing post-cesarean section infection and CT diagnosis after pulmonary fungal infection. Methods: From December 2014 to October 2016, 300 cesarean section women in our hospital were randomly divided into A, B and C groups. A group received intravenous antibiotics only 30 minutes before operation, and B group was basal in group A On the increase of 3d after continuous intravenous infusion of antimicrobial agents, C group after 3 consecutive days of intravenous infusion of antimicrobial agents. Results: The hospitalization time in group A and group B was lower than that in group C; The highest body temperature, CRP level and WBC count in group A and group B were lower than group C, and the counts of CRP and WBC in group A were lower than group B; Rates were lower than those in group C (all P <0.05). A group of non-pulmonary infection, B group and C group are pulmonary fungal infection in CT showed multiple diffuse nodules, random distribution, into a cotton-like, few interstitial thick, rapid progress but no pleural effusion. CONCLUSION: Intravenous antimicrobial agents can prevent postoperative inflammatory reaction and infection effectively and promote healing 30min before operation. The immunocompromised maternal body after cesarean section is reduced, and pulmonary fungal infection appears. It can be qualitatively treated with CT in a timely manner and should be treated preoperatively Focus on the maternal disease prevention.