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激光多点扫描与单点多次扫描治疗非增生期糖尿病视网膜病变

时间:2015-10-20 09:46来源:未知 作者:admin 点击:
引用: 龙巧燕,陈青山,陈玉华,等.激光多点扫描与单点多次扫描治疗非增生期糖尿病视网膜病变.国际眼科杂志 2015;15(10):1713-1716,doi:10.3980/j.issn.1672-5123.2015.10.09 Reference: Long QY,Chen QS,Chen YH,et al.Comparison between laser multi-point s
引用:龙巧燕,陈青山,陈玉华,等.激光多点扫描与单点多次扫描治疗非增生期糖尿病视网膜病变.国际眼科杂志 2015;15(10):1713-1716,doi:10.3980/j.issn.1672-5123.2015.10.09
Reference:Long QY,Chen QS,Chen YH,et al.Comparison between laser multi-point scanning and single-point multiple scanning for the treatment of non-proliferative diabetic retinopathy.Guoji Yanke Zazhi( Int Eye Sci) 2015;15(10):1713-1716,doi:10.3980/j.issn.1672-5123.2015.10.09
激光多点扫描与单点多次扫描治疗非增生期糖尿病视网膜病变
Comparison between laser multi-point scanning and single-point multiple scanning for the treatment of non-proliferative diabetic retinopathy
投稿时间: 2015-06-10  最后修改时间: 2015-09-17
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DOI:10.3980/j.issn.1672-5123.2015.10.09
关键词:  非增生期  糖尿病视网膜病变  577nm激光多点扫描  单点多次扫描
Key Words:  non-proliferative phase  diabetic retinopathy  577nm laser multi-point scanning  single-point multiple scanning
基金项目:深圳市龙岗区科技计划发展资金(No.YLWS20150514163706453)
Fund Project:Science and Technology Development Foundation of Longgang District, Shenzhen City(No.YLWS20150514163706453)
                 
作者 单位
龙巧燕 中国广东省深圳市,龙岗区人民医院眼科
陈青山 中国广东省深圳市眼科医院眼底内科
陈玉华 中国广东省深圳市,龙岗区人民医院内分泌科
刘娇 中国广东省深圳市,龙岗区人民医院眼科
朱远飞 中国广东省深圳市眼科医院眼底内科
廖海兰 中国广东省深圳市,龙岗区人民医院眼科
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摘要:
      目的:比较激光多点扫描与单点多次扫描治疗非增生期糖尿病视网膜病变的疗效。

 

     方法:选取2010-01/2014-01期间我们收治的50例非增生期糖尿病视网膜病变患者为研究对象,采用随机数表法将50例患者分为观察组和对照组,观察组患者25例43眼,采用577nm激光多点扫描一次完成全视网膜激光光凝(PRP)治疗,对照组患者25例41眼,采用单点多次扫描完成PRP治疗。对比两组患者不同时间的视野平均阈值敏感度、F-ERG a波振幅、F-ERG b波振幅,两组患者的临床有效率、激光能量、光斑数量、能量密度。

 

     结果:两组患者治疗后1d的视野平均阈值敏感度均低于治疗前1d,差异具有统计学意义(t=2.421,P=0.017)。两组间患者治疗前1d,治疗后1d,1、2、6、12mo的视野平均阈值敏感度差异均无统计学意义(P>0.05)。两组患者治疗后1d的F-ERG a波振幅均低于治疗前1d,差异具有统计学意义(t=2.319,P=0.025)。两组间患者治疗前1d,治疗后1d, 1、2、6、12mo的F-ERG a波振幅差异均无统计学意义(P>0.05)。两组患者治疗后1d的F-ERG b波振幅均低于治疗前1d,差异具有统计学意义(t=2.276,P=0.031)。两组间患者治疗前1d,治疗后1d, 1、2、6、12mo的F-ERG b波振幅差异均无统计学意义(P>0.05)。两组患者的有效率、光斑数量差异均无统计学意义(P>0.05)。观察组的激光能量高于对照组,能量密度低于对照组,差异具有统计学意义(P<0.05)。

 

     结论:给予非增生期糖尿病视网膜病变患者多点扫描一次完成PRP治疗与单点多次完成PRP治疗的临床疗效没有显著差异,但是多点扫描一次完成PRP的治疗方案能量密度较低,产生的激光损伤较小。

Abstract:
      AIM:To compare the curative effects between laser multi-point scanning and single-point multiple scanning for the treatment of non-proliferative diabetic retinopathy.

 

     METHODS:Fifty patients with non-proliferative diabetic retinopathy from January 2010 to January 2014 in our hospital were selected for the study, and were divided into two groups, the control group and the observation group, using a random number table. Twenty-five patients(43 eyes)in the observation group completed panretinal photocoagulation(PRP)therapy once by 577nm laser multi-point scanning. Twenty-five patients(41 eyes)in the control group completed PRP therapy by the single-point multiple scanning. The differences of average threshold sensitivity of visual field, F-ERG a/b wave amplitude, the clinical effective rates, the laser energy, the number of laser spot and the energy density between the two groups at various time points were compared.

 

     RESULTS:At 1d after the treatments, average threshold sensitivity of visual field was lower than those at 1d before treament, and the difference was statistically significant(t=2.421, P=0.017). The differences of average threshold sensitivity between the two groups at 1d before treatments, at 1d, 1, 2, 6, 12mo after treatments, were not statistically significant(P>0.05). The F-ERG a wave amplitude of both groups at 1d after treatments were lower than those of 1d before treatments, and the difference was statistically significant(t=2.319,P=0.025). There were no differences of the F-ERG b wave amplitude between both groups at 1d before treatments and at 1d, 1, 2, 6, 12mo after treatments(P>0.05). The F-ERG b wave amplitude of both groups at 1d after treatments were lower than those at 1d before treatments, and the difference was statistically significant(t=2.276, P=0.031). There were no differences between the two groups in terms of clinical effective rates and the number of laser spot(P>0.05). Laser energy used in the observation group was higher than that in the control group, the energy density was lower than that in the control group. The differences on the two items were statistically significant(P<0.05).

 

     CONCLUSION:There is no significant difference on clinical efficacy between laser multi-point scanning and single-point multiple scanning of PRP therapy. But the energy density of multi-point scanning mode is lower, and the damage made by this mode is less.

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