Kết quả bơm xi măng sinh học tạo hình thân đốt sống ở bệnh nhân xẹp thân đốt sống có vỡ thành sau

Abstract

Objective: This study was done to evaluate the usefulness and safety of cement augmentation in vertebral fractures with posterior wall injury. Subject and method: A clinical intervention study on a group of patients, comparing before and after cement augmentation. Assessing pain level by VAS scale, lumbar spine function according to ODI scale, height of collapsed vertebral body; Cobb angle before and after surgery; the amount of cement pumped; cement leak location. The mean follow-up time was 417 days. Result: The study included 20 patients with an average age of 71.35 (54-85); The female/male ratio was 5.7. Average spine bone density: -3.5. ASA of 2 or more accounted for 75%. Onset is usually spontaneous or after minor trauma (95%). The most common collapsed vertebrae were L1, with a rate of 45%. The average amount of cement injected into a vertebral body was 7.55ml (4.8-10ml). Cement leak outside the vertebral body was found in 40% of cases, in which 1 case of cement leak into the spinal canal was asymptomatic. VAS and ODI before surgery were 6.65 and 74.78%; at the time of follow-up was significantly reduced to 0.45 points and 10.65% (p<0.05). The ratio of the height of the anterior and middle wall of the vertebral body fracture before surgery were 57.58% and 59.04%, and increased significantly after surgery to 82.50% and 81.88%, respectively. The hunchback Cobb angle decreased considerably from 18.38 degrees before surgery to 10.96 degrees after surgery (p<0.05). Conclusion: The results of our study suggest that osteoporotic vertebral collapse with posterior wall injury and no nerve compression is not contraindicated for vertebral body contouring surgery with cement augmentation.