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急性分级压迫对脊神经根功能和结构的影响。猪马尾的实验研究。

Effects of acute, graded compression on spinal nerve root function and structure. An experimental study of the pig cauda equina.

作者信息

Rydevik B L, Pedowitz R A, Hargens A R, Swenson M R, Myers R R, Garfin S R

机构信息

Department of Orthopaedics, University of Göteborg, Sweden.

出版信息

Spine (Phila Pa 1976). 1991 May;16(5):487-93. doi: 10.1097/00007632-199105000-00001.

DOI:10.1097/00007632-199105000-00001
PMID:2052989
Abstract

A well-controlled experimental model for analysis of compression-induced functional changes of the porcine cauda equina is presented. The model allows for electrophysiologic investigation of a variety of neurophysiologic changes induced by nerve root deformation. At an acute pressure threshold of 50-75 mm Hg, changes in both afferent and efferent conduction are induced. With higher compression pressure, a differential recovery in afferent and efferent conduction is seen.

摘要

本文介绍了一种用于分析猪马尾神经受压诱导功能变化的良好控制的实验模型。该模型允许对神经根变形引起的各种神经生理学变化进行电生理研究。在50-75毫米汞柱的急性压力阈值下，传入和传出传导都会发生变化。在更高的压迫压力下，传入和传出传导会出现不同程度的恢复。

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