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The effects of rapid decompression on spinal cord histology in rabbits

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF NAUTICAL MEDICINE AND HYPERBARIC MEDICINE
Issue:
5
DOI:
10.3760/cma.j.issn.1009-6906.2006.05.001
Key Word:
减压病;脊髓;家兔;组织学

Abstract: 目的 探讨快速减压对家兔脊髓组织学和超微结构的影响.方法 将18只实验兔随机分为对照组、减压病3 h组和减压病3 d组.5 min内用压缩空气加压至0.6 Mpa,停留60 min,然后于3~5 min内减至常压.以上3组分别于进舱前、出舱后3 h和3 d,取脊髓进行光镜和透射电镜检查.结果 (1)光镜显示脊髓灰白质散在出血灶,软脊膜及脊髓白质毛细血管内可见气泡;(2)电镜下显示脊髓白质毛细血管周围水肿,神经纤维变性、胶质细胞坏死.结论 脊髓软脊膜及白质毛细血管内气泡,灰白质出血、水肿,神经纤维变性和胶质细胞坏死是减压病脊髓损伤发病的病理学基础.

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