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KMID : 0388720130200040210
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Journal of Korean Society of Spine Surgery
2013 Volume.20 No. 4 p.210 ~ p.214
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Anatomical and Pathophysiological Features of Cauda Equina
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Kim Do-Yeoun
Lee Kwang-Bok
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Abstract
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Study Design: Review of literature on anatomical and pathophysiological features of cauda equina.
Objectives: To look into the anatomical and pathophysiological features of cauda equina and support their basic knowledge of treating cauda equina syndrome.
Summary of Literature Review: Cauda equina has different anatomical and pathophysiological features to peripheral nerve.
Materials and Methods: Review of literature.
Results: When compressing to cauda equina, the pathophysiologic mechanism develop as follows; increasing the vascular permiablity of nerve root, intraneural edema, and subsequent blood and nutritional impairment. Nerve root injury develops through this pathophysiologic mechanism.
Conclusions: Cauda equina has an extensive ateriovenous anastomosis and guaze-like pia mater, which supply blood and neutrition to it. These anatomical features prevent it from complete cauda equina syndrome when compressing to it under arterial blood pressure.
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KEYWORD
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Cauda equina, Anatomy, Pathophysiology
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