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120例初孕妇分为观察组和对照组各60例，观察组用利多卡因一次性喷淋管注射宫颈麻醉后行人工流产手术；对照组直接手术．结果．观察组术中宫颈松弛和镇痛总有效率分别为90％和98．3％，显著高于对照组（为6．6％和46．6％），说明利多卡因一次性喷淋管宫颈麻醉可降低因宫口过紧所致宫颈粘膜损伤和人工流产综合征的发生．
120 cases of first trimester women were divided into observation group and control group, 60 cases in each group. The observation group was treated with lidocaine single-use sparge tube and then underwent cervical anesthesia. The control group received direct surgery. result. The total effective rate of cervical relaxation and analgesia in the observation group was 90% and 98.3% respectively, which was significantly higher than that of the control group (6.6% and 46.6%), indicating that the lidocaine Anesthesia can reduce cervical mucosal injury caused by too tight cervix and the incidence of induced abortion syndrome.