摘要
本文通过34例小儿单纯氯胺酮麻醉时甲襞微循环观察,发现氯胺酮可引起小儿甲襞微循环紊乱。表现为毛细血管输入枝收缩、输出枝扩张、乳头下静脉丛扩张淤血、微血流速度减慢、红细胞聚集及管襻周围渗出等。提示在临床上应用氯胺酮对小儿麻醉时,应注意氯胺酮对微循环的影响,必要时可行甲襞微循环监测。
Observations on the nailfold microcirculation in 34 children simply anaesthetized with ke-tamine showed that the afferentia of capillary loops were contractive while the efferentia and venous plexus under papilla were diastolic. The microvessels are characterized by slow blood flow, RBC aggregation and perivascular exsudation. It was concluded that ketamine may cause an acute obstacle of the nailfold microcirculation in chidren.
