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目的探讨自制90°针头异物剔除器在角膜铁质异物中的应用效果。方法选取2015年8月-2016年10月的272例质异物患者,将患者按随机数字表法分为2组,每组136例。对照组采用异物针进行角膜铁质异物剔除,改进组采用自制90°针头异物剔除器进行角膜铁质异物剔除。治疗结束后,比较2组患者异物一次性剔除率及平均的异物剔除时间。结果治疗组患者角膜异物一次性剔除率明显高于对照组(χ2=0.01,P<0.05);治疗组患者平均的异物剔除时间明显低于对照组(t=14.73,P<0.05)。结论 90°针头异物剔除器治疗角膜铁质异物具有一次性异物剔除率高及剔除时间短等优点,值得临床推广应用。
Objective To explore the application effect of self-made 90 ° needle foreign body remover in corneal iron foreign body. Methods A total of 272 patients with quality-related foreign bodies were selected from August 2015 to October 2016. Patients were divided into two groups according to random number table method, 136 cases in each group. The control group was treated with foreign body needle to remove the corneal iron foreign body, and the modified group with homemade 90 ° needle foreign body rejector to remove the corneal iron foreign body. After the treatment, comparing the two groups of patients with a one-time removal rate of foreign body and the average removal time of foreign body. Results The single-time removal rate of corneal foreign body in the treatment group was significantly higher than that of the control group (χ2 = 0.01, P <0.05). The mean removal time of foreign body in the treatment group was significantly lower than that of the control group (t = 14.73, P <0.05). Conclusion The treatment of 90 ° needle foreign body extractor with corneal iron foreign body has the advantages of high rejection rate and short elimination time, which is worthy of clinical application.