糖尿病视网膜病变/治疗

糖尿病视网膜病变/治疗的相关文献在2002年到2022年内共计83篇,主要集中在眼科学、内科学、临床医学 等领域,其中期刊论文82篇、专利文献352393篇;相关期刊13种,包括中医研究、医学临床研究、国际眼科纵览等; 糖尿病视网膜病变/治疗的相关文献由240位作者贡献,包括李筱荣、张茉莉、田蓓等。

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糖尿病视网膜病变/治疗—发文趋势图

糖尿病视网膜病变/治疗

-研究学者

  • 李筱荣
  • 张茉莉
  • 田蓓
  • 魏文斌
  • 陈松
  • 孟旭霞
  • 张琰
  • 丁琴
  • 付浴东
  • 伍春荣
  • 期刊论文
  • 专利文献

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    • 张茉莉; 魏文斌; 田蓓
    • 摘要: 目的评估递法明片对全视网膜光凝(PRP)术后视网膜功能损伤修复的促进作用。方法采用非随机对照研究方法,于2014年12月至2020年2月在北京同仁眼科中心和北京市大兴区人民医院纳入非增生性糖尿病视网膜病变(NPDR)患者108例108眼。根据患者自愿原则将患者分为2个组,其中PRP+递法明组患者56例56眼,于PRP后口服递法明片;PRP组患者52例52眼,未服用递法明片。于PRP治疗前及治疗后1 d及1、3、6、12个月对患者进行随访,采用国际视力表检查患眼视力;采用Humphrey视野计检查30°~60°环形视野并采用RETLscan系统记录多焦视网膜电图;采用光相干断层扫描仪检测黄斑中心凹厚度(CMT);分别于PRP后6个月、12个月采用荧光素眼底血管造影观察眼底新生血管情况。结果PRP+递法明组末次随访时视力治疗有效率为57.14%(32/56),明显高于PRP组的32.69%(17/52),差异有统计学意义(χ^(2)=3.56,P0.05;F_(时间)=1.23,P>0.05)。治疗后12个月,所有患眼均未出现视网膜新生血管及无灌注区。结论口服递法明片可促进NPDR患眼PRP术后视网膜功能的恢复。
    • 徐心雨; 夏颖; 胡天明; 魏伟
    • 摘要: 目的 比较不同光相干断层扫描(OCT)分型糖尿病黄斑水肿(DME)患眼行玻璃体腔内注射雷珠单抗(IVR)和/或激光光凝治疗后的疗效差异.方法 采用非随机对照临床研究方法,纳入2017年3月至2018年2月在南京中医药大学附属医院眼科确诊为DME的患者79例108眼,根据OCT形态特征将患眼分为弥漫性黄斑水肿(DRT)组41眼、黄斑囊样水肿(CME)组37眼和浆液性神经上皮层脱离(SRD)组30眼.根据诊疗指南给予患者单纯IVR治疗或IVR联合激光光凝治疗,分别于治疗前,治疗后1、3、6、12个月记录患眼BCVA和黄斑中心凹视网膜厚度(CMT),观察患眼黄斑水肿形态变化并记录并发症发生情况.结果 治疗后1、3、6和12个月3个组患眼平均BCVA(LogMAR)均较治疗前显著提高,平均CMT均较治疗前显著降低,差异均有统计学意义(均P<0.05).接受IVR治疗的39眼中,治疗后12个月,DRT组患眼平均BCVA(LogMAR)为0.41±0.40,显著优于CME组的0.60±0.40,差异有统计学意义(P=0.039);治疗后12个月,DRT组患眼平均CMT为(286.05±109.56)μm,显著小于SRD组的(338.30±101.87)μm,差异有统计学意义(P=0.045).接受IVR联合激光光凝治疗的69眼中,治疗后6个月和12个月,DRT组患眼平均BCVA(LogMAR)显著优于CME组,差异均有统计学意义(P=0.048、0.043);治疗后12个月,DRT组患眼平均CMT为(304.59±106.66)μm,显著低于SRD组的(369.34±107.80)μm,差异有统计学意义(P=0.041).随访过程中可见SRD患眼中5眼转变为DRT亚型,3眼转变为CME亚型,但未见DRT及CME亚型向SRD亚型转化者.结论 IVR和/或激光光凝治疗可显著改善各不同OCT分型DME患者患眼BCVA,降低CMT,其中对DRT分型患者的疗效较好.
    • 刘晓玲; 孙祖华
    • 摘要: 糖尿病视网膜病变(DR)是工作年龄人群主要的且不可逆的致盲性眼病.而糖尿病黄斑水肿(DME)是DR进一步发展的并发症,是引起DR患者视力下降的主要原因之一.抗VEGF药物的出现,改写了DR和DME的治疗模式.首先,对于DME的治疗,由之前的局灶/格栅样激光光凝,转换成抗VEGF药物为一线治疗.其次,对于增生型DR(PDR)的治疗,既往全视网膜激光光凝是金标准,现在抗VEGF药物成了部分PDR患者治疗的替代方案.临床上,面对不同程度的DR及DME,何时开始治疗、何种治疗优先、抗VEGF药物治疗是否能完全取代激光以及抗VEGF药物治疗时代关于DR的治疗模式等问题均值得临床医师进一步思考.深入学习激光和抗VEGF药物治疗DR的临床研究,关注临床指南和专家共识的变迁,逐步建立适合我国国情的DR及DME的治疗思路,实现DR患者的个性化治疗,有利于提高我国DR的治疗水平.
    • 勾健媛
    • 摘要: 目的 观察玻璃体腔注射康柏西普(IVC)联合全视网膜激光光凝(PRP)治疗糖尿病视网膜病变(DR)合并Ⅰ、Ⅱ期新生血管性青光眼(NVG)的疗效.方法 临床病例对照研究.2013年10月至2019年3月于廊坊市香河县人民医院眼科检查确诊的DR合并Ⅰ、Ⅱ期NVG患者50例50只眼纳入研究.其中,男性27例27只眼,女性23例23只眼;均为单眼.平均年龄(53.5±7.13)岁.Ⅰ、Ⅱ期NVG分别为11、39只眼.所有患者均行BCVA、眼压、眼底血管造影检查.BCVA检查采用国际标准视力表进行,统计时换算为logMAR视力.应用随机数字表法将患者分为康柏西普+激光治疗(联合治疗)组、激光治疗组,均为25例25只眼.两组患者年龄(t=0.058)、性别构成比(x2=0.081)、logMAR BCVA(t=0.294)、眼压(t=-0.070)、房角及虹膜新生血管不同级别眼数(x2=1.683、0.854)比较,差异均无统计学意义(P>0.05).对比观察两组间PRP治疗完成后1周,1、3、6、9个月BCVA、眼压、虹膜新生血管及房角新生血管变化.连续变量采用独立样本t检验.联合治疗组和激光治疗组之间,两组内不同时间点以及两因素的交互作用采用单因素重复方差分析.结果 联合治疗组、激光治疗组患眼治疗后不同时间房角及虹膜新生血管数量、眼压、logMARBCVA与治疗前比较,差异均有统计学意义(F=124.211、65.153、69.249、26.848,P<0.001).治疗后,联合治疗组患眼房角及虹膜新生血管消退以及眼压、logMAR BCVA改善均优于激光治疗组,差异有统计学意义(F=47.543、25.051、12.265、9.994,P=0.001、0.001、0.001、0.003).治疗后不同时间,与激光治疗组比较,联合治疗组患眼虹膜和房角新生血管数量更少,眼压明显下降,BCVA提高,差异均有统计学意义(P<0.05).结论 IVC联合PRP治疗DR合并Ⅰ、Ⅱ期NVG疗效优于单纯PRP治疗.
    • 连海燕; 陈晓; 丁琴; 闫明; 黄珍; 晏颖; 宋艳萍
    • 摘要: Objective To analyze the expression of VEGF,IL-33 and NO concentration after laser photocoagulation and subthreshold micropulse laser photocoagulation conventional in proliferative diabetic retinopathy (PDR) patients.Methods A case control study.The clinical data of 39 patients of PDR and 11 patients of idiopathic macular pucker (IMP) from Department of Ophthalmology,Central Theater General Hospital during November 2015 were collected in this study.PDR patients were assigned randomly into three groups.Fifteen PDR patients with 15 eyes were treated with conventional laser as group A.Thirteen PDR patients with 13 eyes were treated with subthreshold micropulse laser as group B.Eleven PDR patients with 11 eyes without any laser therapy were grouped as C.Eleven IMP patients were grouped as D.There was no difference of age (F=0.53,P=0.23),gender ratio (x2=0.55,P=0.91),body mass index (F=2.62,P=0.07),duration diabetes (F=0.29,P=0.75),glycoslated hemglobin (F=1.72,P=0.19) in four groups.All PDR patients were examined with FFA.Total protein was quantified by a bicinchoninic acid assay kit.Levels of VEGF,IL-33,NO were determined using enzyme-linked immunosorbent assay kits.Results There was no difference of total protein in four groups (F=1.78,P=0.17).Group C had a higher VEGF level than group A and B (F=7.84,P=0.002).Group A had a higher IL-33 level than group C (t=4.15,P=0.02).There was no difference of IL-33level in group B and C (t=1.34,P=0.20).Group D had a lower NO level than group A,B,C (F=38.42,P<0.001).There was no difference of NO level in group A,B and C (F=3.29,P=0.06).Conclusions Both conventional laser photocoagulation and subthreshold micropulse laser photocoagulation can decrease vitreous VEGF level and subthreshold micropulse laser photocoagulation can induce less IL-33 level.%目的 观察传统激光与阈值下微脉冲激光光凝对增生型糖尿病视网膜病变(PDR)患眼玻璃体液中VEGF、IL-33、一氧化氮(NO)浓度的影响.方法 病例对照研究.2015年11月在中部战区总医院眼科临床检查确诊的PDR患者39例39只眼和特发性黄斑皱褶(IMP)患者11例11只眼纳入研究.依据就诊顺序按照随机排列表方法将PDR患者分为氪激光治疗组(A组)、阈值下微脉冲激光治疗组(B组)、未行任何激光治疗组(C组),分别为15、13、11只眼.IMP患者作为对照组(D组).4组患者年龄(F=0.53,P=0.23)、性别构成(x2=0.55,P=0.91)、体重指数(F=2.62,P=0.07)、糖尿病病程(F=0.29,P=0.75)、糖化血红蛋白(F=1.72,P=o.19)比较,差异均无统计学意义.PDR患眼激光光凝治疗前均行FFA检查.所有息眼均行常规经睫状体平坦部三切口25G玻璃体切割手术;手术中抽取患眼玻璃体液,二喹啉甲酸法检测总蛋白浓度,ELISA测定玻璃体液中VEGF、IL-33、NO浓度.结果 A、B、C、D组总蛋白浓度比较,差异无统计学意义(F=1.78,P=0.17).与C组VEGF浓度比较,A、B组均降低,差异有统计学意义(F=7.84,P=0.00).与C组IL-33浓度比较,A组升高(t=4.15,P=0.02),B组无差异(t=1.34,P=0.20);A组IL-33浓度高于B组,差异有统计学意义(t=3.89,P=0.00).与D组NO浓度比较,A、B、C组均升高,差异有统计学意义(F=38.42,P<0.001);A、B、C组间差异无统计学意义(F=3.29,P=0.06).结论 传统激光与阈值下微脉冲激光光凝均可降低PDR患眼玻璃体液中VEGF浓度,且阈值下微脉冲激光光凝引起更少的IL-33表达.
    • 王德赛; 刘姝林; 张学东
    • 摘要: 糖尿病黄斑缺血(DMI)是糖尿病视网膜病变(DR)的表现之一,可与糖尿病黄斑水肿(DME)同时出现,对DR患者的视力造成影响.FFA是诊断DMI的金标准,但随着OCT血管成像的出现,DMI的评估有了更便捷、多样的方法,使得越来越多的研究者开始对DMI进行研究.玻璃体腔注射抗VEGF治疗已成为DME的首选治疗方案,临床医师在进行病例选择时通常排除DMI患者,但DMI作为抗VEGF治疗的禁忌症尚未定论.总结分析DMI的危险因素、评估方法以及抗VEGF对其的治疗结果,可为开展进一步临床研究提供参考,并为制定更合理有效的DME治疗方案提供依据.%Diabetic macular ischemia (DMI) is one of the manifestation of diabetic retinopathy (DR).It could be associated with diabetic macular edema (DME),which may affect the vision of DR patients.FFA is the gold standard for the diagnosis of DMI,but with the advent of OCT angiography,a more convenient and diversified method for the evaluation of DMI has been developed,which makes more and more researchers start to study DMI.Intravitreal injection of anti-VEGF has become the preferred treatment for DME.When treating with DME patients,ophthalmologists usually avoid DMI patients.But if intravitreal anti-VEGF should be the contradiction of DME is still unclear.To provide references to the research,this article summarized the risk factors,assessment methods and influence of DMI.This article also analyzed the existing studies,aiming to offer evidences to a more reasonable and effective treatment decision for DME individual.
    • 伍春荣; 闫洪欣; 郭惠玲; 夏丽萍; 刘靓; 曲丽燕
    • 摘要: Objective To observe the visual field loss after 577 nm krypton pan-retinal photocoagulation (PRP) in the treatment of diabetic retinopathy (DR).Methods A prospective clinical studies.Forty-six eyes of 26 patients with proliferative DR (PDR) and severe non-proliferative DR (NPDR) diagnosed by clinical examination from No.306 Hospital of PLA during January 2014 and December 2015 were included in this study.Among them,21 eyes of NPDR and 20 eyes of PDR;13 eyes with diabetic macular edema (DME) (DME group) and 28 eyes without DME (non-DME group).All eyes underwent best corrected visual acuity (BCVA),fundus color photography,fundus fluorescein angiography (FFA) and optical coherence tomography (SD-OCT) examinations.The visual field index (VFI) and visual field mean defect (MD) values were recorded by Humphrey-7401 automatic visual field examination (center 30° visual field).The BCVA of DR eyes was 0.81 ± 0.28;the VFI and MD values were (89.8± 8.4)% and-7.5 ± 3.85 dB,respectively.The BCVA of the eyes in the without DME group and DME group were 0.92±0.20 and 0.57±0.27,the VFI were (90.86±7.86)% and (87.46± 9.41)%,the MD values were-6.86± 3.43 and 8.87 ± 4.48 dB.PRP was performed on eyes using 577 nm krypton laser.The changes of VFI,MD and BCVA were observed at 1,3,and 6 months after treatment.Results Compared with before treatment,the VFI of DR eyes decreased by 12.0%,12.3% and 14.8% (t=7.423,4.549,4.79;P<0.001);the MD values were increased by-4.55,-4.75,6.07 dB (t=-8.221,-5.313,-5.383;P<0.001) at 1,3 and 6 months after treatment,the differences were statistically significant.There was no difference on VFI (t=1.090,-0.486;P>0.05) and MD value (t=-0.560,-0.337;P>0.05) at different time points after treatment.Compared with before treatment,the BCVA was significantly decreased in DR eyes at 1 month after treatment,the difference was statistically significant (t=2.871,P<0.05).Before and after treatment,the BCVA of the DME group was lower than that of the non-DME group,the difference were statistically significant (t=4.560,2.848,3.608,5.694;P<0.001);but there was no differences on the VFI (t=1.209,0.449,0.922,0.271;P>0.05) and MD values (t=1.582,0.776,0.927,1.098;P>0.05) between the two groups.Conclusion The range of 30° visual field loss is about 12%-14.8% after 577 nm krypton laser PRP for DR.VFI and MD can quantitatively analyze the and extent of visual field loss after PRP treatment.%目的 观察577nm氪激光全视网膜激光光凝(PRP)治疗糖尿病视网膜病变(DR)后视野缺失情况.方法 前瞻性临床研究.2014年1月至2015年12月在解放军306医院眼科检查确诊的增生型DR(PDR)和严重非增生型DR(NPDR)患者26例41只眼纳入研究.其中,NPDR 21只眼,PDR 20只眼;合并糖尿病黄斑水肿(DME) 13只眼(DME组),无DME28只眼(无DME组).所有患眼均行BCVA、眼底彩色照相、FFA、OCT检查;采用Humphrey-7401全自动视野计行中心30°视野检查,记录视野指数(VFI)和视野平均缺损(MD)值.DR患眼BCVA为0.81±0.28;VFI、MD值分别为(89.8±8.4)%和(-7.5±3.85)dB.无DME组与DME组患眼BCVA分别为0.92±0.20、0.57±0.27;VFI分别为(90.86±7.86)%、(87.46±9.41)%;MD值分别为(-6.86±3.43)、(-8.87±4,48)dB.采用577 nm氪激光对患眼进行PRP治疗.观察治疗后1、3、6个月患眼VFI、MD值和BCVA的变化.结果 与治疗前比较,治疗后1、3、6个月DR患眼VFI分别下降了12.0%、12.3%、14.8%,差异有统计学意义(t=7.423、4.549、4.79,P<0.001);MD值分别增加了-4.55、-4.75、-6.07 dB,差异有统计学意义(t=-8.221、-5.313、-5.783,P<0.001).治疗后1、3、6个月不同时间点DR患眼间VFI(t=1.090、-0.486、P>0.05)、MD值比较(t=-0.560、-0.337,P>0.05),差异均无统计学意义.与治疗前BCVA比较,治疗后1个月,DR患眼BCVA明显下降,差异有统计学意(t=2.871,P<0.05).治疗前与治疗后1、3、6个月DME组患眼BCVA均低于无DME组,差异有统计学意义(t=4.560、2.848、3.608、5.694,P<0.001);两组患眼间VFI(t=1.209、0.449、0.922、0.271,P>0.05)和MD值比较(t=1.582、0.776、0.927、1.098,P>0.05),差异均无统计学意义.结论 577 nm氪激光PRP治疗DR后,30°视野缺失范围约12.0%~14.8%;VFI和MD能定量分析PRP治疗后的视野缺失程度和范围.
    • 曹博雯; 孟旭霞
    • 摘要: 目前关于糖尿病视网膜病变(DR)发病机制有多种观点,主要包括高糖所致视网膜微环境改变、糖基化终末产物形成、氧化应激损伤、炎症反应、促血管新生因子产生等.这些机制产生的共同通路是导致视网膜出现神经退行性病变及微血管损伤.近年来,细胞再生疗法在疾病的修复作用过程中起到越来越重要的作用.不同种类的干细胞对于视网膜均有神经及血管保护作用,但是作用的靶点侧重点不同.干细胞既可以通过旁分泌产生营养因子起到调节视网膜微环境及保护视网膜神经细胞的作用,又可以通过潜在的免疫调节来减少免疫损伤,还可以通过再生功能向受损伤的细胞定向分化.结合以上特点,干细胞显示了对DR的修复潜能,这种基于干细胞的再生疗法对于临床的应用提供了前期依据.但是在干细胞移植过程中,关于干细胞的异质性、细胞传送、向受损伤组织有效的归巢及移植仍是细胞疗法的难题.%Diabetic retinopathy is a serious complication of diabetes and is the leading cause of blindness in people with diabetes.At present,there are many views on the pathogenesis of diabetic retinopathy,including the changes of retinal microenvironment caused by high glucose,the formation of advanced glycation end products,oxidative stress injury,inflammatory reaction and angiogenesis factor.These mechanisms produce a common pathway that leads to retinal degeneration and microvascular injury in the retina.In recent years,cell regeneration therapy plays an increasingly important role in the process of repairing diseases.Different types of stem cells have neurological and vascular protection for the retina,but the focus of the target is different.It has been reported that stem cells can regulate the retinal microenvironment and protect the retinal nerve cells by paracrine production,and can also reduce immune damage through potential immunoregulation,and can also differentiate into damaged cells by regenerative function.Combined with the above characteristics,stem cells show the potential for the repair of diabetic retinopathy,this stem cell-based regenerative therapy for clinical application provides a pre-based evident.However,in the process of stem cell transplantation,homogeneity of stem cells,cell delivery,effective homing and transplantation to damaged tissue is still a problem of cell therapy.
    • 罗玲慧; 段国平; 曾琦; 胡蓉; 李秋霞
    • 摘要: 目的 对比观察康柏西普联合玻璃体切除术与单纯行玻璃体切除术对增殖性糖尿病视网膜病变(PDR)患者的疗效及预后的影响.方法 选取2015年5月至2017年1月本院眼科确诊的增殖性糖尿病视网膜病变患者35例(35眼),采用随机数字表法将患者分为研究组和对照组,研究组给予玻璃体腔注射康柏西普眼部注射液,1周后行玻璃体切除术,对照组单行玻璃体切除术.术后随访3个月,测定并比较两组患者的手术时间、术后最佳矫正视力(BCVA)、视网膜黄斑区厚度和术后并发症发生率.结果 研究组在手术时间及术后视力的恢复均优于对照组,差异有统计学意义(P<0.05).术后两组的视网膜黄斑厚度较术前降低,但差异无统计学意义(P>0.05),两组术后并发症发生率差异无统计学意义(P>0.05).结论 玻璃体切除联合玻璃体内注射康柏西普在减轻手术负担、改善术后视力方面较单纯玻璃体切除术疗效好,为增殖性糖尿病视网膜病变的治疗提供了指导和便利,值得临床推广.
    • 李文清; 宋艳萍; 丁琴; 闫明; 黄晓莉; 叶娅; 黄珍
    • 摘要: Objective To evaluate the clinical efficacy and safety of 577 nm subthreshold micropulse laser on diabetic macular edema (DME).Methods Retrospective case series study.A total of 30 patients (35 eyes) with center-involving DME were enrolled in this study.All the patients received the examinations of best corrected visual acuity (BCVA),fundus colorized photography,fluorescein fundus angiography (FFA) and optical coherence tomography (OCT).BCVA was measured by Early Treatment Diabetic Retinopathy Study charts.The average retinal thickness (ART),total macular volume (TMV) and the retinal thickness (RT) and macular volume (MV) of 9 ETDRS domains were measured by the Japanese Topcon 3D-OCT 2000 instrument.The mean BCVA was 62.4± 10.5 letters.The mean ART was 327.3± 41.2 μm.The mean TMV was 9.24 ± 1.17 mm3.All patients were treated with 577 nm subthreshold micropulse laser treatment.Subthreshold micropulse laser were performed in the micropulse mode,using a 200 μm spot diameter,a 0.2 s duration with 5% duty cycle and its treatment energy was 6-7 times of threshold energy.Three months after treatment,re-treatment was performed on patients with incomplete absorption of macular edema.The treatment was the same as before.The BCVA,ART,TMV and the RT and MV of each ETDRS domain were compared and analyzed before and after treatment.The possible complications of micropulse laser treatment were also observed and the safety was evaluated.Results The difference of BCVA were statistically significant in month 3 and month 6 (t=-5.58,-7.24;P<0.05),but not in month 1 (t=-1.82,P>0.05).The average CRT (t=4.11,4.17,5.96),CMV (t=3.92,4.05,5.80) significantly decreased in 1,3 and 6 months after treatment,the difference was statistically significant (P<0.05).At sixth months,the average retinal thickness (t=3.53,5.07,5.02,4.87,4.94,3.48,4.03,3.17,3.73) and retinal volume (t=3.54,5.16,4.99,4.91,5.05,3.47,4.08,3.10,3.70) of the 9 ETDRS subdomains significantly decreased,and the difference was statistically significant (P<0.05).There was no visible laser spots,changes in the outer retina and complications of neovascularization and subretinal fibrosis in the fundus of all patients.Conclusion 577 nm subthreshold micropulse laser can reduce the CMT,CMV and improve the BCVA of DME patients with high security.%目的 观察577 nm阈值下微脉冲激光光凝治疗糖尿病黄斑水肿(DME)的有效性和安全性.方法 回顾性病例系列研究.临床检查确诊的有累及黄斑中心凹的DME患者30例35只眼纳入研究.患者均行最佳矫正视力(BCVA)、眼底彩色照相、荧光素眼底血管造影、光相干断层扫描(OCT)检查.BCVA检查采用早期治疗糖尿病视网膜病变研究(ETDRS)视力表进行.采用日本Topcon公司3D-OCT 2000仪测量黄斑区平均视网膜厚度(ART)、总黄斑体积(TMV)以及ETDRS黄斑9分区的视网膜厚度(RT)、黄斑体积(MV).患眼平均BCVA为(62.4±10.5)个字母;ART为(327.3±41.2)μm;平均TMV为(9.24±1.17) mm3.患眼均行577 nm阈值下微脉冲激光光凝治疗,光斑直径200 μm,曝光时间0.2 s,工作负载系数5%,治疗能量为阈能量P的6~7倍;治疗后3个月,对仍存在DME的患眼行2次激光光凝,治疗方法同前.治疗后1、3、6个月采用与治疗前相同的设备和方法行相关检查.观察患眼BCVA、ART、平均TMV以及黄斑9分区平均RT、MV变化,外层视网膜(外界膜、椭圆体带、视网膜色素上皮层)的完整性以及并发症发生情况.结果 与治疗前比较,治疗后1个月BCVA差异无统计学意义(t=-1.82,P>0.05);3、6个月差异均有统计学意义(t=-5.58、-7.24,P<0.05).治疗后1、3、6个月,患眼ART (t=4.11、4.17、5.96)、平均TMV(t=3.92、4.05、5.80)均下降,差异有统计学意义(P<0.05).治疗后6个月,所有区域平均RT(t=3.53、5.07、5.02、4.87、4.94、3.48、4.03、3.17、3.73)、MV(t=3.54、5.16、4.99、4.91、5.05、3.47、4.08、3.10、3.70)均下降,差异有统计学意义(P<0.05).随访期间,所有患眼均未观察到可见激光斑、脉络膜新生血管及外层视网膜(外界膜、椭圆体带、视网膜色素上皮层)完整性的缺失.结论 577 nm阈值下微脉冲激光可以有效促进DME患眼黄斑水肿的吸收,提高BCVA;安全性较高.
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