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Efficacy of 2% Lidocaine Injection as a Topical Agent in Cataract Surgery

机译：2％利多卡因注射液在白内障手术中作为局部用药的功效

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Purpose: To determine whether 2% Lidocaine injection is an effective topical anesthetic agent for non-phaco small incision cataract surgery. Setting: Charity eye clinic supported by Hellen Keller International. Methods: One hundred and twenty-five consecutive cataract surgery patients received topical anesthesia with 2% Lidocaine injection solution just 1 and 0.5 minutes prior to non-phaco small incision cataract extraction and intraocular lens implantation. Each patient was asked about pain or pressure sensation during the operation. Results: The surgeon felt ease in the operations. Many patients (93/125) were comfort during the whole surgery. Only 9 patients' score was above level 3,mostly complained during the nucleus extraction; Among those whose score was level 1～2, 82.6%(19/23) claimed discomfort at middle of the operation (nucleus extraction) or the beginning (creating the conjunctival flap). Conclusion: Lidocaine injection solution(2%) was an effective topical anesthesia agent in cataract surgery.
机译：目的：确定2％的利多卡因注射液对于非phaco小切口白内障手术是否是有效的局部麻醉剂。地点：Hellen Keller International支持的慈善眼科诊所。方法：125例连续性白内障手术患者在非乳突小切口白内障摘除术和人工晶状体植入术前1和0.5分钟接受了2％利多卡因注射液的局部麻醉。询问每个患者手术过程中的疼痛或压力感觉。结果：外科医生感到手术轻松。在整个手术过程中，许多患者（93/125）感到舒适。只有9名患者的评分高于3级，主要在摘核时出现不适；评分在1〜2级的患者中，有82.6％（19/23）的患者在手术中期（去核）或开始时（形成结膜瓣）感到不适。结论：利多卡因注射液（2％）是一种有效的白内障局部麻醉剂。

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