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介绍一种小切口非超声乳化人工晶状体植入手术
白内障的手术方法进步极快.目前超声乳化吸出已成为首选的方法.但在发展中国家,现代囊外白内障摘出术仍是医生和患者乐于选择的手术.这是因为此手术易于掌握、便于开展,而且经济、有效.
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不同材料人工晶体和手术方式对后囊膜混浊的影响
随着超声乳化技术的应用和显微手术技术的不断发展和完善,大大提高了白内障术后视力的恢复.但是,后囊膜混浊(posterior capusle opcification,PCO)的发生仍是影响术后视力的主要原因之一.临床资料和实验已证明囊袋内、外植入人工晶体,人工晶体直径大小可影响后囊膜混浊的发生率[1,2].但不同手术方式及植入人工晶体材料不同对后囊膜混浊的影响报道较少.为此,我们对122例(132眼)在本院行白内障超声乳化摘除术(phacoemulsification,PHACO)联合后房型人工晶体植入(posterior chamber introcular lenes,PC-IOL)和37例(41眼)白内障囊外摘除术(extracapsular cataract extraction,ECCE)联合PC-IOL植入病人进行随访,观察后囊膜混浊情况,现将结果报告如下.
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高龄白内障小切口囊外摘除术的临床观察
随着社会的进步及医学技术的不断发展,人口老龄化的不断加剧,我国老年人口的比例不断增加,高龄(>80岁)的白内障患者也逐年增多.目前在基层医院,白内障手术的方式仍以小切口白内障囊外摘除(extracapsular cataract extraction, ECCE)联合人工晶状体(intraocular lens, IOL)术为主.尽管显微手术对患者的创伤很小,但对于身患多种慢性病、对手术耐受性较低的高龄患者而言,如何安全度过围术期仍是眼科医师关注的重点.从2007年6月起,本科在ECCE+IOL术中使用前房维持器(anterior chamber maintainer, ACM)完成手术,并对围术期高龄白内障患者的手术安全措施进行系统改进,取得良好的临床疗效,现将结果报告如下.
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Ⅱ型糖尿病患者人工晶体植入术后并发症分析
近年来,我院对75例Ⅱ型糖尿病患者进行人工晶体植入手术,,现对术后并发症进行分析.
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小切口白内障囊外摘除手术与超声乳化术手术效果观察
作者在眼科工作中,对102例100眼白内障施行隧道式小切口白内障摘除术(tunnel small incisionextra capsu-lar cataract extraction TSIECCE)和超声乳化术(Phacoe-mulsication),对两种手术的术后视力散光状态作了统计分析,现报告如下:
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AIM: To investigate the relationship between cytokine level and nitric oxide (NO) content in aqueous humor after intraocular lens implantation. METHODS: All New Zealand rabbits were divided randomly into three groups: (1) control group, (2) extracapsular cataract extraction group (ECCE), (3) extracapsular cataract extraction and posterior chamber intraocular lens implantation group (ECCE+IOL). The inflammation of all experimental rabbit eyes, including cornea edema and anterior chamber exudation were observed via zoom-photo slitlamp microscope 1,3,7,14,30 d postoperation. Meanwhile, aqueous humor was drawn for white blood cell (WBC) counting and classifying, and for NO-2/NO-3 and cytokine assay, including interleukin-2(IL-2), tumour necrosis factor-α(TNF-α). Statistics were taken by SPSS softwear. RESULTS: (1) Total WBC in aqueous humor were higher and anterior chamber exudation were more severe in ECCE+IOL group than that in ECCE group and control group. (2) The level of IL-2 and TNF-α and the content of NO-2/NO-3 in aqueous humor of ECCE+IOL group were higher than that in ECCE group and control group 1-14 d postoperation respectively, and it increased to peak value at 3-7 d postoperation and decreased gradually after two weeks postoperation. (3) The change regularity of IL-2, TNF-α and NO-2/NO-3 in each group were basically similar, i.e. when the level of cytokine (IL-2 and TNF-α) was normal, the content of NO-2/NO-3 was normal too, when the level of cytokine (IL-2 and TNF-α) increased, the content of NO-2/NO-3 increased too. CONCLUSION: The intraocular inflammation after ECCE+IOL was more severe than that after simple ECCE. NO, IL-2 and TNF-α play an important role in intraocular inflammation after intraocular lens implantation. The changes of IL-2 and TNF-α level was closely related with NO content in aqueous humor.
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治疗技术和方法
Therapeutical Techniques and Methods combined cataract extraction白内障联合手术cataract phacoemulsification白内障超声乳化术aspiration of cataract白内障吸出术trabeculectomy小梁切除术peripheral iridectomy周边虹膜切除术laser iridotomy激光虹膜切开术trabeculotomy小梁切开术cyclocryosurgery睫状体冷冻术cyclodiathermy睫状体透热术