Torsional mode versus conventional ultrasound mode phacoemulsification - Randomized comparative clinical study
Torsional mode versus conventional ultrasound mode phacoemulsification - Randomized comparative clinical study
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DOI：
10.1016/j.jcrs.2006.10.044
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发表时间：
2007-02-01
影响因子：
2.8
通讯作者：
Zeng, Yangfa
中科院分区：
文献类型：
--
作者：
Liu, Yizhi;Zeng, Mingbing;Zeng, Yangfa
目的：比较使用Infiniti视觉系统（Alcon实验室）进行扭转模式和常规超声模式白内障手术的术中和术后短期疗效。地点：中国广州中山大学中山眼科中心白内障科方法：在这项随机对照研究中，525只眼分别采用扭转模式和常规超声（US）模式进行超声乳化术。手术由一位经验丰富的外科医生进行，结果由一位接受治疗任务的审查员进行评估。主要结局指标为美国时间（UST）、累积耗散能量（CDE）和手术并发症。术后1、7、30天观察患者。术后观察指标为最终最佳矫正视力（BCVA）、角膜清晰度、角膜中央厚度（CCT）和角膜覆盖细胞计数的变化。结果：顺扭组262只眼，扭转组263只眼。所有患者均完成随访。在核密度等级为1、2、3、4级的眼睛中，US组的平均UST分别为10.25秒+/- 7.4 （SD）、25.14 +/- 5.5秒、36.45 +/- 8.3秒和61.44 +/- 17.8秒，扭转组的平均UST分别为8.32 +/- 6.8秒、18.45 +/- 7.2秒、29.48 +/- 12.4秒和48.39 +/- 20.3秒(P
PURPOSE: To compare the intraoperative and short-term postoperative outcomes of cataract surgery performed with torsional mode and conventional ultrasound mode using the Infiniti Vision System (Alcon Laboratories).SETTING: Cataract Service, Zhongshan Ophthalmic Center, Sun-Yat-Sen University, Guangzhou, ChinaMETHODS: In this randomized comparative study, 525 eyes were assigned to phacoemulsification by torsional mode or conventional ultrasound (US) mode. The surgery was performed by an experienced Surgeon, and the outcomes were evaluated by an examiner who was masked to treatment assignments. Primary outcome measures were US time (UST), cumulative dissipated energy (CDE), and surgical complications. Patients were seen 1, 7, and 30 days after surgery. Postoperative outcome measures were the final best corrected visual acuity (BCVA) and the change in corneal clarity, central corneal thickness (CCT), and enclothelial cell count.RESULTS: The US group had 262 eyes and the torsional group, 263 eyes. All patients completed the follow-up visits. In the eyes with nucleus density grades of 1, 2, 3, and 4, the mean UST was 10.25 seconds +/- 7.4 (SD), 25.14 +/- 5.5 seconds, 36.45 +/- 8.3 seconds, and 61.44 +/- 17.8, respectively, in the US group and 8.32 +/- 6.8 seconds, 18.45 +/- 7.2 seconds, 29.48 +/- 12.4 seconds, and 48.39 +/- 20.3 seconds, respectively, in the torsional group (P