EFFECT OF SURGERY ON SENSORY THRESHOLD AND SOMATOSENSORY EVOKED-POTENTIALS AFTER SKIN STIMULATION

被引：22

作者：

LUND, C ^{[1
]}

HANSEN, OB ^{[1
]}

KEHLET, H ^{[1
]}

机构：

[1] HVIDOVRE UNIV HOSP,DEPT SURG GASTROENTEROL,DK-2650 HVIDOVRE,DENMARK

来源：

BRITISH JOURNAL OF ANAESTHESIA | 1990年 / 65卷 / 02期

关键词：

Brain: somatosensory evoked potentials; Surgery: gynaecological;

D O I：

10.1093/bja/65.2.173

中图分类号：

R614 [麻醉学];

学科分类号：

100217 ;

摘要：

We have studied the effect of surgical injury on cutaneous sensitivity and somatosensory evoked potentials (SSEP) to dermatomal electrical stimulation in 10 patients undergoing hysterectomy. Forty-eight hours after surgery, sensory threshold increased from 2.2 (SEM 0.3) mA to 4.4 (1.1) mA (P < 0.01) and SSEP amplitudes in P1, N1, P2 and the peak-to-peak amplitudes decreased (P < 0.05). Latency was prolonged only in the N3 component (P < 0.05). No changes were seen in threshold and SSEP in a control group studied over the same interval. The results suggest that surgical injury activates antinociceptive modulatory systems. © 1990 Copyright: 1990 British Journal of Anaesthesia.

引用

页码：173 / 176

页数：4

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