[1]许立帅,廖丹,杨桢,等.不同波长激光治疗重度非增生型糖尿病视网膜病变的疗效观察[J].眼科新进展,2017,37(9):842-845.[doi:10.13389/j.cnki.rao.2017.0213]
 XU Li-Shuai,LIAO Dan,YANG Zhen,et al.Clinical observation of different wavelength laser in the treatment of severe non-proliferative diabetic retinopathy[J].Recent Advances in Ophthalmology,2017,37(9):842-845.[doi:10.13389/j.cnki.rao.2017.0213]
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不同波长激光治疗重度非增生型糖尿病视网膜病变的疗效观察/HTML
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《眼科新进展》[ISSN:1003-5141/CN:41-1105/R]

卷:
37卷
期数:
2017年9期
页码:
842-845
栏目:
应用研究
出版日期:
2017-09-05

文章信息/Info

Title:
Clinical observation of different wavelength laser in the treatment of severe non-proliferative diabetic retinopathy
作者:
许立帅廖丹杨桢赵小琴戴乐杨小丽
637000 四川省南充市,川北医学院附属医院眼科
Author(s):
XU Li-ShuaiLIAO DanYANG ZhenZHAO Xiao-QinDAI LeYANG Xiao-Li
Department of Ophthalmology,Affiliated Hospital of North Sichuan Medical College,Nanchong 637000,Sichuan Province,China
关键词:
糖尿病视网膜病变激光光凝术全视网膜激光光凝
Keywords:
diabetic retinopathylaser coagulationwavelength
分类号:
R774
DOI:
10.13389/j.cnki.rao.2017.0213
文献标志码:
A
摘要:
目的 比较577 nm、532 nm激光全视网膜激光光凝(panretinal photocoagulation,PRP)治疗重度非增生型糖尿病视网膜病变(non-proliferative diabetic retinopathy,NPDR)的临床疗效。方法 前瞻性临床对照研究。纳入重度NPDR患者42例64眼,随机分为577 nm组和532 nm组,采用单点模式行PRP,术前及术后1 d、1个月、3个月、6 个月检查最佳矫正视力(best corrected visual acuity,BCVA)、眼底、光学相干断层扫描(optical coherence tomography,OCT)、全视野闪光视网膜电图(flash electroretinogram,F-ERG),术后3个月、6 个月行眼底荧光血管造影(fundus fluorescein angiography,FFA)检查。结果 577 nm组和532 nm组光斑点数分别为(1969.25±278.19)点、(2098.16±289.27)点;激光功率分别为(425.23±50.15)mW、(438.15±38.48)mW;能量密度分别为(7.54±1.54)mW·ms-1·μm-2、(7.68±3.01)mW·ms-1·μm-2,平均光斑数(t=2.68)、平均激光功率(t=1.46)、平均能量密度(t=2.15)的组间差异均无统计学意义(均为P>0.05)。两组患者术后1个月、3个月、6个月,组间黄斑中心凹厚度(central macular thickness,CMT)差异均无统计学意义(t=1.98、1.88、1.81,均为P>0.05);两组患者术后1个月、3个月、6个月 F-ERG 振幅(a波:t=5.94、5.19、6.97;b波:t=5.67、4.56、5.12)组间差异均有统计学意义(均为P<0.05)。术后6个月两组患者治疗有效率分别为87.5%、46.9%,差异有统计学意义(χ2=7.56,P<0.05)。结论 577 nm激光比532 nm激光治疗重度NPDR有效率更高,视功能损伤程度更小。
Abstract:
Objective To compare the clinical effects of 577 nm and 532 nm laser panretinal photocoagulation in the treatment of severe non-proliferative diabetic retinopathy (NPDR).Methods A prospective,controlled trial was conducted in 42 patients(64 eyes)with severe NPDR,who were randomly divided into 577 nm group and 532 nm group.All of patients received PRP with the single-point model.Preoperative and postoperative 1 day,1 month,3 and 6 months,the best corrected visual acuity (BCVA),fundus,optical coherence tomography (OCT) and full field flash electroretinogram (F-ERG) were examined.After treatment 3 and 6 months,fundus fluorescein angiography (FFA) examination was performed between two groups.Results In 577 nm group and 532 nm group,the average number of laser spot was (1969.25± 278.19) and (2098.16 ± 289.27) respectively;average laser power was (425.23 ± 50.15)mW and (438.15 ± 38.48)mW respectively;and average energy density was (7.54 ± 1.54)mW·ms·μm-2 and (7.68±3.01)mW·ms·μm-2.There was no difference in number of laser spot(t=2.68),laser power (t=1.46) and energy density(t=2.15) between the two groups (all P>0.05),and the differences of macular central thickness after treatment 1 month,3 and 6 months (t=1.98,1.88,1.81 respectively) approached no statistical significance between the two groups (all P>0.05),while F-ERG a,b wave amplitudes after treatment 1 month,3 and 6 months (a wave:t=5.94,5.19,6.97;b wave:t=5.67,4.56,5.12) had significant differences between groups (all P<0.05).The effective rate of treating 6 months after operation in the two groups were 87.5% and 46.9% respectively,with significant difference (χ2=7.56,P<0.05).Conclusion 577 nm laser is more effective and has less damage to visual function than 532 nm laser in the treatment of NPDR.

参考文献/References:

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备注/Memo

备注/Memo:
四川省教育厅基金项目(编号:15SB0113)
更新日期/Last Update: 2017-10-12