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学科主题: 临床医学
题名:
Microsurgical Anatomy of Lumbosacral Nerve Rootlets for Highly Selective Rhizotomy in Chronic Spinal Cord Injury
作者: Zhou, Mou-Wang1; Wang, Wen-Ting1; Huang, Hong-Shi1; Zhu, Gen-Ying1; Chen, Ya-Ping1; Zhou, Chang-Man2
关键词: microsurgical anatomy ; lumbosacral nerve rootlet ; highly selective sacral rootlets rhizotomy ; spinal cord injury
刊名: ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY
发表日期: 2010-12-01
DOI: 10.1002/ar.21213
卷: 293, 期:12, 页:2123-2128
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Anatomy & Morphology
研究领域[WOS]: Anatomy & Morphology
关键词[WOS]: VOIDING DYSFUNCTION ; URINARY-BLADDER ; STIMULATION ; RATS ; DEAFFERENTATION ; SUPPRESSION ; CAPSAICIN ; REFLEXES ; THERAPY
英文摘要:

It is known that selective sacral roots rhizotomy is effective for relieving the neurogenic bladder associated with spinal cord injury. The goal of this study is to review the surgical anatomy of the lumbosacral nerve rootlets and to provide some morphological bases for highly selective sacral roots rhizotomy. Spinal cord dissections were performed on five cadavers under surgical microscope. At each spinal cord segment, we recorded the number, diameter and length of the rootlets, subbundles and bundles from the L1 to S2 spinal segments, and the length of the dorsal/ventral root entry zone. Peripheral nervous system myelin was examined by immunohistochemistry. We found: (1) the ventral or the dorsal root of the lumbosacral segment of the spinal cord was divided into one to three nerve bundles and each bundle was subdivided into one to three subbundles. Each subbundle further gave out two to three rootlets connected with the spinal cord; (2) there were no significant differences in the number of rootlets within the L1 to S2 segments, but the size of rootlets and the length of nerve roots varied (P < 0.05); and (3) the more myelinated fibers a rootlet contained, the larger transection area it had. The area of peripheral nervous system myelin positive cells and the total area of rootlets were correlated (P < 0.001). Thus, during highly selective sacral roots rhizotomy, the ventral and dorsal roots can be divided into several bundles of rootlets, and we could initially distinct the rootlets by their diameters. Anat Rec, 293:2123-2128, 2010. (C) 2010 Wiley-Liss, Inc.

语种: 英语
所属项目编号: 30672096
项目资助者: China National Natural Science Fund
WOS记录号: WOS:000285893100017
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/68070
Appears in Collections:北京大学第三临床医学院_康复医学科_期刊论文

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作者单位: 1.Peking Univ, Hosp 3, Dept Rehabil Med, Beijing 100191, Peoples R China
2.Peking Univ, Hlth Sci Ctr, Dept Anat Histol & Embryol, Beijing 100191, Peoples R China

Recommended Citation:
Zhou, Mou-Wang,Wang, Wen-Ting,Huang, Hong-Shi,et al. Microsurgical Anatomy of Lumbosacral Nerve Rootlets for Highly Selective Rhizotomy in Chronic Spinal Cord Injury[J]. ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY,2010,293(12):2123-2128.
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