激光多普勒测速法研究低血糖对小型猪视网膜血流的影响。
A laser Doppler velocimetry study of the effect of hypoglycaemia on retinal blood flow in the minipig.
作者信息
Caldwell G, Davies E G, Sullivan P M, Morris A H, Kohner E M
机构信息
Department of Medicine, Royal Postgraduate Medical School, London, UK.
出版信息
Diabetologia. 1990 May;33(5):262-5. doi: 10.1007/BF00403318.
The effect of acute hypoglycaemia (plasma glucose less than 2.2 mmol/l) on retinal venous blood flow in the minipig has been determined using bidirectional laser Doppler velocimetry and red free retinal photography. In six pigs the mean flow in a retinal vein increased from 19.3 (+/- 2.8 SEM) microliters/min to 29.7 (+/- 7.5) microliters/min during hypoglycaemia (p less than 0.05) with a return to 18.6 (+/- 3.6) microliters/min when euglycaemia was restored. Retinal blood flow is affected by hypoglycaemia or its haemodynamic consequences.
利用双向激光多普勒测速仪和无赤光视网膜摄影术，测定了急性低血糖（血浆葡萄糖低于2.2毫摩尔/升）对小型猪视网膜静脉血流的影响。在6头猪中，视网膜静脉的平均血流在低血糖期间从19.3（±2.8标准误）微升/分钟增加到29.7（±7.5）微升/分钟（p<0.05），血糖恢复正常后又回到18.6（±3.6）微升/分钟。视网膜血流受低血糖或其血流动力学后果的影响。
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