POSTERIOR COLUMN SENSORY IMPAIRMENT DURING AMBULATORY EXTRADURAL ANALGESIA IN LABOR

被引:42
作者
BUGGY, D
HUGHES, N
GARDINER, J
机构
[1] ROTUNDA HOSP,DEPT ANAESTHESIA,DUBLIN,IRELAND
[2] ST JAMES HOSP,DEPT ANAESTHESIA,DUBLIN 8,IRELAND
关键词
ANESTHESIA; OBSTETRIC; ANALGESIA TECHNIQUES; EXTRADURAL;
D O I
10.1093/bja/73.4.540
中图分类号
R614 [麻醉学];
学科分类号
100217 ;
摘要
Ambulatory or ''walking'' extradural analgesia in labour has recently gained popularity because of preservation of motor function and subjective somatic sensation in the lower limbs, resulting in increased maternal satisfaction. This is produced by combining dilute concentrations (e.g. 0.1%) of bupivacaine with opioids. Detailed clinical neurological examination after mobile extradural analgesia has not been reported. We have investigated the effect of 0.1% bupivacaine 15 ml and fentanyl 2 mu g ml(-1) on motor and sensory function in the lower limbs in 50 primigravidae requesting extradural analgesia in labour. This was performed before and 30 min after confirming placement of a lumbar extradural catheter. While power, co-ordination and reflexes in all lower limb muscle groups remained within normal limits, 66% (n = 33) developed abnormal distal proprioception, 44% (n = 22) had a positive Romberg's sign and 38% (n = 19) had altered vibration sense. Moreover, 44% (n = 22) said that their legs felt different on standing and they did not feel confident walking unaccompanied. However, this subjective perception correlated poorly with the presence of posterior column sensory signs. Although there was a reduction in pain scores on a visual analogue scale after 30 min (mean 8.85 (SEM 0.3) vs 3.06 (0.32); P < 0.0001), pain increased within 60 min (5.77 (0.45); P < 0.001).
引用
收藏
页码:540 / 542
页数:3
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