About 300,000 spinal fusions are performed in the United States every year.

在美国每年有30万例脊椎融合手术。

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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 spinal fusions.

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。

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Some of the inventions included devices that aid in spinal fusions and a plate used in neck surgery.

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Using the Medicare-claims database, the Journal found this surgeon performed 276 spinal fusions on Medicare patients in 2008, by far the most of any surgeon in the country.

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As many as 20% of spinal fusions are for ordinary low back pain and may not be supported by good evidence, says Derrick Sung, an analyst at Sanford C.

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