Anatomical Study on the Needle-Knife Therapy in Loosening Lumbar Sinu-Vertebral Nerves
Objective:To investigate the clinical effectiveness of needle-knife therapy in loosening the sinu-vertebral nerves.Methods:6 healthy adult lumbar spine specimens were selected(including 3 fresh frozen specimens and 3 anticorrosive specimens).The unilateral intervertebral foramina of the L4/5 and L5S1 segments were loosened,which was compared with the unloosened side to find the difference in the number of lumbar sinu-vertebral nerves in each foramen between the two sides.Results:A total of 35 lumbar sinu-vertebral nerves were found in the 12 intervertebral foramina on the loosened side,including 2 primary branches and 33 secondary branches.And 55 lumbar sinu-vertebral nerves were found in the 12 inter-vertebral foramina on the unloosened side,including 4 primary branches and 51 secondary branches.The differences in the number of primary branches of sinu-vertebral nerves between the two sides were not statistically significant(P＞0.05),but there was a statistically significant difference in the number of secondary branches(P＜0.05).Conclusion:The needle-knife therapy in loosening lumbar sinu-vertebral nerves can significantly reduce the number of secondary branches sinu-vertebral nerves on the loosened side.This study may provide a basis for the clinical application of needle-knife therapy of loosening the sinu-vertebral nerves on the treatment of discogenic low back pain.
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