At 2 years follow-up, patients who underwent a posterior instrumented spinal fusion that was not augmented with any bone graft appear to have successful spinalfusions.
一项随访2年的研究发现,单纯行后路器械固定而未用任何移植骨的患者术后脊柱融合良好。
2
About 300,000 spinalfusions are performed in the United States every year.