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首页> 外文会议>Laser Medicine and Surgery; Progress in Biomedical Optics and Imaging; vol.6 no.35 >The Evaluation of Retinal Circulation in Advanced Diabetic Retinopathy before and after Panretinal Laser Photocoagulation by Scanning Laser Ophthalmoscope
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The Evaluation of Retinal Circulation in Advanced Diabetic Retinopathy before and after Panretinal Laser Photocoagulation by Scanning Laser Ophthalmoscope

机译：扫描激光检眼镜在全视网膜激光光凝前后对晚期糖尿病性视网膜病变的视网膜循环的评估

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I investigated the effects of panretinal laser photocoagulation (PRP) on the velocity of retinal circulation in diabetic retinopathy. The retinal circulation was evaluated by means of rapid serial fluorescein angiography (FAG), employing scanning laser ophthalmoscope. FAG was conducted at the rate of 30 frames per seconds in video-tape. Disc-to-macula transit time (DMTT) was defined as the parameter to evaluate the retinal circulation. Diabetic 28 eyes with advanced diabetic retinopathy were examined to measure the DMTT before and after PRP. Normal 30 eyes used as control. Mean DMTT decreased from 9.8 ± 1.5 seconds before PRP to 8.2 ± 1.5 seconds after PRP in 28 diabetic eyes. The value with improvement after PRP was significantly shorter than the value before PRP ( p < 0.05 ). These values before and after PRP were significantly longer than that (3.7 ±0.7 seconds ) in normal 30 eyes ( p < 0.01 ). Retinal circulation is retarded in diabetic retinopathy. The retardation of retinal circulation in diabetic retinopathy improves after PRP, but the value after PRP can not recover until the control level. This study was performed to reveal therapeutic effect to panretinal laser photocoagulation (PRP) for the retardation of retinal circulation in diabetic retinopathy. I investigated the effects of PRP on the velocity of retinal circulation in patients with advanced diabetic retinopathy.
机译：我研究了全视网膜激光光凝（PRP）对糖尿病性视网膜病变的视网膜循环速度的影响。使用扫描激光检眼镜通过快速连续荧光血管造影术（FAG）评估视网膜循环。 FAG以每秒30帧的速度在录像带中进行。椎间盘至黄斑的通过时间（DMTT）被定义为评估视网膜循环的参数。在进行PRP之前和之后，对28例患有糖尿病性视网膜病变的糖尿病眼进行了DMTT测定。正常30只眼作为对照。在28例糖尿病眼中，平均DMTT从PRP前的9.8±1.5秒降低到PRP后的8.2±1.5秒。 PRP改善后的值明显短于PRP之前的值（p <0.05）。在正常的30只眼中，PRP之前和之后的这些值明显长于（3.7±0.7秒）（p <0.01）。糖尿病性视网膜病中视网膜循环受阻。糖尿病性视网膜病变的视网膜循环延迟在PRP后有所改善，但PRP后的值直到控制水平才能恢复。进行这项研究是为了揭示糖尿病视网膜病变中全视网膜激光光凝（PRP）对视网膜循环延迟的治疗作用。我研究了PRP对晚期糖尿病视网膜病变患者视网膜循环速度的影响。

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