Anatomical Study of Cross-Transfer of the Contralateral C7 Nerve Through the Posterior Epidural Pathway of the Cervical Spine for the Treatment of Spastic Paralysis of the Upper Limbs.
World neurosurgery(2024)
摘要
BACKGROUND: This study explored the safety and feasibility of surgical treatment of spastic paralysis of the central upper extremity by contralateral cervical 7 nerve transfer via the posterior epidural pathway of the cervical spine. - METHODS: Five fresh head and neck anatomical specimens were employed to simulate contralateral cervical 7 nerve transfer through the posterior epidural pathway of the cervical spine. The relevant anatomical landmarks and surrounding anatomical relationships were observed under a microscope, and the relevant anatomical data were measured and analysed. - RESULTS: The posterior cervical incision revealed the cervical 6 and 7 laminae, and lateral exploration revealed the cervical 7 nerve. The length of the cervical 7 nerve outside the intervertebral foramen was measured to be 6.4 +/- 0.5 cm. The cervical 6 and cervical 7 laminae were opened with a milling cutter. The cervical 7 nerve was extracted from the inner mouth of the intervertebral foramen, and its length was 7.8 +/- 0.3 cm. The shortest distance of the cervical 7 nerve transfer via the posterior epidural pathway of the cervical spine was 3.3 +/- 0.3 cm. - CONCLUSIONS: Cross -transfer surgery of the contralateral cervical 7 nerve via the posterior epidural pathway of the cervical spine can effectively avoid the risk of nerve and blood vessel damage in anterior cervical nerve 7 transfer surgery; the nerve transfer distance is short, and nerve transplantation is not required. This approach may become a safe and effective procedure for the treatment of central upper limb spastic paralysis.
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关键词
Anatomy,C7 nerve transfer,Spastic paralysis
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