The Differences of Radiological Results after Percutaneous Vertebroplasty according to the Degree of Preoperative Canal Encroachment due to Bony Fragments

Results: The immediately postoperative improvement of the compression ratio was significantly better in the anterior wedge compression fracture group than that in the burst compression group (p-value: 0.022). Cement leakage was more common in the burst fracture group even though this was not statistically significant (p-value: 0.114), but cement leakage into spinal canal did not occur. There was no major complication, including embolism and additional neurologic deficit, after vertebroplasty in all the patients. Conclusion: Vertebroplasty was the more effective method for treating an anterior wedge fracture than a burst fracture, and especially for achieving an improved compression ratio. Even though the risk of cement leakage may be higher for a burst fracture, vertebroplasty may be also carefully applied to burst fracture patients with no neurologic deficits at admission. (Korean J Neurotrauma 2012;8:15-20)

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