Randomized Controlled Trial of Internal Fixation Reconstruction With Stent Screw in the Treatment of Kummell's Disease

This study is a multicenter, prospective, double-blind, randomized controlled trial using a parallel two-arm design to investigate whether the postoperative 6-month quality of life, vertebral stability, complication of patients with osteoporotic vertebral compression fractures (Kummell\'s disease) are better with the use of stent screw internal fixation and percutaneous bone cement reconstruction technique compared to patients undergoing traditional percutaneous balloon kyphoplasty (BKP) for vertebral augmentation