Bước đầu đánh giá hiệu quả ngắn hạn của phương pháp tiêm thẩm phân chọn lọc rễ thần kinh vùng thắt lưng dưới hướng dẫn cắt lớp vi tính

Primary result: the short - term efficacy of selective nerve root block for lumbar radicular pain under ct guidance

SUMMARY

Purpose: Evaluating the short-term efficacy and the safety of SNRB method in treating lumbar discal herniation pain.

Methods:prospective, 24 patients with lumbar disc herniation treated by SNRBfrom February to June 2016, the contrast media is used to identify the nerve root before ịnjecting compound of Corticosteroid and Lidocain under CT guidance. Measurements of pain (with pain scale Visual Analogue Score - VAS) and mobility (Disability Index OSWESTRY - ODI) were compared at 1 day, 2 week, 1 month and 3 months after the procedure.

Results: 27 roots are blocked/24 patients, pain scores were significantly reduced compared with before treatment at every follow-up period. The preprocedural mean VAS score was 5.9. At follow-up, mean VAS scores ranged from 1.9 to 2.4. The pretreatment mean ODI score was 43,6 and it ranged from 9,8 to 19 at follow-up, none grave complication.

Conclusion:S.N.R.B for lumbar radicular pain is a simple and safe procedure, but its effect is quite high. It is recommended to perform before surgery.

Keywords: SNRB, discal herniation.