Percutaneous consolidation of loosened spine arthrodesis under CT and fluoroscopy guidance by radiologists: a new useful technique

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• 作者：Nicolas Amoretti ; Anne-Sophie Bertrand ; Giacomo Gallo…
• 关键词：Percutaneous ; Vertebroplasty ; Loosened screw ; Posterior arthrodesis ; CT
• 刊名：European Radiology
• 出版年：2015
• 出版时间：April 2015
• 年：2015
• 卷：25
• 期：4
• 页码：1135-1139
• 全文大小：2,088 KB
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• 刊物类别：Medicine
• 刊物主题：Medicine & Public Health
  Imaging and Radiology
  Diagnostic Radiology
  Interventional Radiology
  Neuroradiology
  Ultrasound
  Internal Medicine
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1432-1084

文摘

Objective The objective was to evaluate percutaneous computed tomography (CT) and fluoroscopy-guided injection of bone cement for consolidation of loosened posterior arthrodesis performed by radiologists. Methods A single-centre prospective study involving four consecutive patients (three women, one man) suffering from screw loosening (three at the vertebral level, one at the iliac wing level) after Posterior Lumbar Interbody Fusion (PLIF) treatment was done. The average age was 80?years. Surgical treatment was not indicated or not wished for by the patients. Institutional review board approval and informed consent were obtained. Percutaneous consolidation was performed by an interventional radiologist under CT and fluoroscopy guidance. The path of the trocars was made outside loosened screws bilaterally. Follow-up was assessed using the Visual Analog Scale (VAS). Results In all cases, bone cement was successfully placed around the loosened screw. The mean volume of cement that was injected was 3?ml. No cement leakage was observed. No neurological complication occurred. Using VAS, pain decreased from more than 9/10 preoperatively to less than 2/10 the day after the procedure for all patients (p--.05). Conclusion This study suggests that loosening of spine arthrodesis could be successfully treated by percutaneous injection of bone cement under CT and fluoroscopy guidance. Key Points -PLIF is one of the surgical techniques for spinal arthrodesis. -Treatment indications are degenerative disease or instability following trauma, tumour, or infection. -Screw loosening is a frequent complication that can occur after surgery. -Percutaneous facet consolidation under dual guidance seems to be a feasible technique. -The procedure is performed under local anaesthesia using a minimally invasive approach.