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J Korean Neurosurg Soc. 2006 Aug;40(2):90-94. English. Original Article.
Park SK , Bak KH , Cheong JH , Kim JM , Kim CH .
Department of Neurosurgery, School of Medicine, Hanyang University, Seoul, Korea.

OBJECTIVE: Acute vertebral burst fractures warrant extensive fixation and fusion on the spine. Osteoplasty (vertebroplasty with high density resin without vertebral expansion) has been used to treat osteoporotic vertebral compression fractures. We report our experiences with osteoplasty in acute vertebral burst fractures. METHODS: Twenty-eight cases of acute vertebral burst fracture were operated with osteoplasty. Eighteen patients had osteoporosis concurrently. Preoperative MRI was performed in all cases to find fracture level and to evaluate the severity of injury. Preoperative CT revealed burst fracture in the series. The patients with severe ligament injury or spinal canal compromise were excluded from indication. Osteoplasty was performed under local anesthesia and high density polymethylmethacrylate(PMMA) was injected carefully avoiding cement leakage into spinal canal. The procedure was performed unilaterally in 21 cases and bilaterally in 7 cases. The patients were allowed to ambulate right after surgery. Most patients discharged within 5 days and followed up at least 6 months. RESULTS: There were 12 men and 16 women with average age of 45.3(28-82). Five patients had 2 level fractures and 2 patients had 3 level fractures. The average injection volume was 5.6cc per level. Average VAS (Visual Analogue Scale) improved 26mm after surgery. The immediate postoperative X-ray showed 2 cases of filler spillage into spinal canal and 4 cases of leakage into the retroperitoneal space. One patient with intraspinal leakage was underwent the laminectomy to remove the resin. CONCLUSION: Osteoplasty is a safe and new treatment option in the burst fractures. Osteoplasty with minimally invasive technique reduced the hospital stay and recovery time in vertebral fracture patients.

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