Altered retinal vascular response to 100% oxygen breathing in diabetes mellitus.

Altered retinal vascular response to 100% oxygen breathing in diabetes mellitus.
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改变%20视网膜%20血管%20反应%20至%20100%%20氧气%20呼吸%20in%20糖尿病%20。

DOI:
10.1016/s0161-6420(84)34124-0
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发表时间:
1984
期刊:
影响因子:
13.7
通讯作者:
Petrig,BL
Petrig,BL
中科院分区:
医学1区
文献类型:
--
作者:
Grunwald,JE;Riva,CE;Brucker,AJ;Sinclair,SH;Petrig,BL

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本文应用激光多普勒血流速度计研究了100%氧呼吸对19只正常眼和41只胰岛素治疗的糖尿病患者视网膜血流的影响。在所研究的糖尿病眼睛中,9只没有视网膜病变,18只有背景性糖尿病视网膜病变,7只有增殖性糖尿病视网膜病变,7只有增殖性糖尿病视网膜病变,这些糖尿病视网膜病变以前曾接受过氩全视网膜光凝治疗。5分钟的100%氧气呼吸在正常眼睛中产生61%(SD = 8)的平均血流量减少,在NR眼睛中产生53%(SD = 10)的平均血流量减少,在背景糖尿病视网膜病变眼睛中产生38%(SD = 13)的平均血流量减少,在增殖性糖尿病视网膜病变眼睛中产生24%(SD = 18)的平均血流量减少,在全视网膜光凝眼睛中产生54%(SD = 8)的平均血流量减少。在6只增生性视网膜病变患者中,光凝前后血管对O2的反应显著增加(Wilcoxon符号秩检验,P< 0.05)。
The effect of 100% oxygen breathing on retinal blood flow was investigated using laser Doppler velocimetry in 19 normal eyes, and in 41 eyes of insulin treated diabetic patients. Of the diabetic eyes studied, nine had no retinopathy, 18 had background diabetic retinopathy, seven had proliferative diabetic retinopathy, and seven had proliferative diabetic retinopathy that had been previously treated by argon panretinal photocoagulation. Five minutes of 100% oxygen breathing produced an average decrease in blood flow of 61 % (SD = 8) in normal eyes, 53% (SD = 10) in NR eyes, 38% (SD = 13) in background diabetic retinopathy eyes, 24% (SD = 18) in proliferative diabetic retinopathy eyes and 54% (SD = 8) in panretinal photocoagulation eyes. In six eyes with proliferative retinopathy measured before and after panretinal photocoagulation, a significant increase in vascular response to O2was observed following photocoagulation (Wilcoxon signed rank test,P< 0.05).
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