KẾT QUẢ PHẪU THUẬT THOÁT VỊ ĐĨA ĐỆM VÙNG CỘT SỐNG THẮT LƯNG CÙNG BẰNG PHƯƠNG PHÁP NỘI SOI QUA ĐƯỜNG LIÊN BẢN SỐNG

Abstract

Objective: To evaluate the results of interlaminar endoscopic lumbar discectomy for lumbar disc herniation. Subjects and Methods: A prospective descriptive study of 90 patients diagnosed with lumbar disc herniation and underwent interlaminar endoscopic surgery at Viet Duc University Hospital. Results: 90 patients with mean age of 45,8 ± 9,5 years (range 26-70), male/female ratio was 52/38. The average duration of symptoms was 5,5 ± 7,4 months. The mean preoperative leg pain VAS score was 7,5 ± 1,4. The mean preoperative ODI score was 65,9 ± 14,2. On CT scan, from L2-3 to L5-S1 level, the transverse diameter of the interlaminar window gradually increased from 14,1 ± 2,2 mm to 25,0 ± 3,2 mm, the height of the interlaminar window gradually decreased from 9,3 ± 1,9 mm to 8,6 ± 2,1 mm, and the interpedicular distance gradually increased from 18,3 ± 3,2 mm to 29,4 ± 3,0 mm. The mean operative time was 50,6 ± 17,9 minutes. The mean postoperative hospital stay was 1,4 ± 0,6 days. The recurrence rate was 4,4%. The leg pain VAS scores gradually decreased from preoperative 7,5 ± 1,4 to 2,2 ± 1,0 at 1 month, 1,5 ± 1,2 at 6 months, and 0,9 ± 1,2 at 12 months postoperatively. The ODI scores gradually improved from preoperative 65,9 ± 14,2 to 21,8 ± 8,9 at 1 month, 13,6 ± 6,3 at 6 months, and 9,3 ± 6,4 at 12 months postoperatively. Conclusion: Interlaminar endoscopic lumbar discectomy is a safe and effective method for treating lumbar disc herniation.