CBT螺钉联合椎弓根钉治疗老年退行性腰椎管狭窄症的疗效观察

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Abstract Objective To observe the clinical effect of transpedicle cortical bone channel (CBT) screw combined with pedicle nail in the treatment of senile degenerative lumbar spinal stenosis. Methods A total of 40 elderly patients with degenerative lumbar spinal stenosis who failed to receive conservative treatment in Xiangdong Hospital Affiliated to Hunan Normal University from March 2020 to March 2023 were selected and randomly divided into control group (20 cases) and observation group (20 cases) to receive lumbar posterior decompression and bone grafting internal fixation treatment. The control group was treated with single pedicle screw internal fixation. Observation group was treated with CBT screw combined with pedicle screw. Postoperative recovery, operation time, intraoperative blood loss, postoperative drainage volume, VAS score before and after operation, JOA score and so on were observed in both groups. Results The operative time, intraoperative blood loss and postoperative drainage volume in observation group were lower than those in control group. Symptoms were improved in both groups, with VAS score lower after surgery and JOA score higher than before surgery. The VAS scores of lumbago and lower limb pain in the observation group were lower than those in the control group 1 week after surgery, but there was no significant difference in VAS scores between the two groups 6 months after surgery. There was no significant difference in JOA scores between the two groups before surgery, 1 week after surgery and 6 months after surgery. There were no complications such as dural sac rupture, cerebrospinal fluid leakage, nerve injury or wound infection in the two groups. No loosening, falling off or collapse of screws were observed on X-ray films in both groups at 6 months after operation. Conclusion CBT screw combined with pedicle screw technique for lumbar internal fixation in the treatment of senile degenerative lumbar spinal stenosis has the advantages of small exposure area, less blood loss, short operation time, little muscle and soft tissue damage, strong screw holding, etc. The early curative effect is satisfactory, and has certain popularization and application value.

Key words： cortical bone channel lumbar spinal stenosis pedicle screw spinal fusion surgery efficacy analysis

Received: 12 January 2024

PACS:

R681.5

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	WU Zhao
	SUN Rongxiang
	ZHANG Yongjun
	ZENG Zhao

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WU Zhao,SUN Rongxiang,ZHANG Yongjun等. The clinical efficacy of pedicle cortical bone tunnel (CBT) screws combined with pedicle screws in the treatment of elderly degenerative lumbar spinal stenosis[J]. HuNan ShiFan DaXue XueBao(YiXueBan), 2024, 21(2): 98-101.

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http://yxb.hunnu.edu.cn/EN/ OR http://yxb.hunnu.edu.cn/EN/Y2024/V21/I2/98

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