Roentgenographic Change after Anterior Fusion of Cervical Spine

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1) Sixty-one patients received anterior operation of the cervical spines were studied roentgenographically. The duration of follow-up was from one to six years. The ages of the patients ranged from thirteen to sixty-seven years. Forty were males and twenty one were females.2) Nineteen (31.1%) of sixty-one patients had roentgenographic changes after anterior fusion. Thirteen (21.8%) had spur formation, which was mostly seen in the cases being operated on at a single level. Eight (13.1%) had disc degeneration, mostly seen in the cases in which two or more levels were fused. Only one had instability of disc space.3) In the cases in which the follow-up study had been made more than four years after surgery, spur formation and disc degeneration were found frequently. There were significant changes in young patients than old ones.4) Hypermobility of adjucent cervical spines after fusion was showed frequently in cases in which two or more disc spaces were fused.
西日本整形・災害外科学会の論文