LASER DOPPLER MEASUREMENTS OF SKIN BLOOD-FLOW BEFORE, DURING, AND AFTER LUMBAR SYMPATHETIC BLOCKADE IN CHILDREN AND YOUNG-ADULTS WITH REFLEX SYMPATHETIC DYSTROPHY SYNDROME

被引：18

作者：

IRAZUZTA, JE ^{[1
]}

BERDE, CB ^{[1
]}

SETHNA, NF ^{[1
]}

机构：

[1] CHILDRENS HOSP MED CTR,DEPT ANESTHESIA,PAIN TREATMENT SERV,300 LONGWOOD AVE,BOSTON,MA 02115

来源：

JOURNAL OF CLINICAL MONITORING | 1992年 / 8卷 / 01期

关键词：

MEASUREMENT TECHNIQUES; FLOWMETRY ANESTHETIC TECHNIQUES; LUMBAR; REGIONAL NERVE BLOCK; COMPLICATIONS; REFLEX SYMPATHETIC DYSTROPHY SYNDROME; MONITORING; BLOOD FLOW; TEMPERATURE;

D O I：

10.1007/BF01618082

中图分类号：

R614 [麻醉学];

学科分类号：

100217 ;

摘要：

Changes in the skin capillary blood flow (SBF) and temperature before, during, and 1 hour after unilateral lumbar paravertebral sympathetic blockade (LSB) were studied simultaneously with laser Doppler flowmetry and thermometry in patients with reflex sympathetic dystrophy syndrome. The baseline flow measurements in the toes on the affected limb were significantly lower than in the contralateral limb (p < 0.01). During LSB, a 10-fold increase in SBF was detected within 4 minutes after injection of a local anesthetic agent when the sympathetic blockade was effective; an increase of more than 1-degrees-C in the skin temperature occurred within 11 minutes. Measurements 1 hour after blockade showed an 18-fold (mean) increase in SBF in the toes (p < 0.0001) and a 2-fold (mean) increase in SBF in the thighs (p < 0.001). There was a significant decrease in the skin blood flow in the contralateral toes after the sympathetic blockade (p < 0.01). We conclude that laser Doppler flow measurements can be used to detect immediate onset of sympathetic blockade in patients under general anesthetic or conscious sedation.

引用

页码：16 / 19

页数：4

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