Ahn Jang Ho, Park Moon Sun, Kim Seong Min, Chung Seung Young, Lee Do Sung, Park Ki Seok
Department of Neurosurgery, Eulji University School of Medicine, Daejeon, Korea.
Korean J Spine. 2016 Sep;13(3):134-138. doi: 10.14245/kjs.2016.13.3.134. Epub 2016 Sep 30.
Anterior cervical microforaminotomy (ACMF) is a motion-preserving surgical procedure. The purpose of this study is to assess radiologic changes of operated and adjacent segments after ACMF.
We retrospectively reviewed 52 patients who underwent ACMF between 1998 and 2008. From X-ray film-based changes, disc height and sagittal range of motion (ROM) of operated and adjacent segments were compared at preoperative and last follow-up periods. Radiological degeneration of both segments was analyzed as well.
The mean follow-up period was 48.2 months. There were 78 operated, 52 upper adjacent, and 38 lower adjacent segments. There were statistically significant differences in the ROM and disc height of operated segment between preoperative and last follow-up periods. However, there were no statistically significant differences in the ROM and disc height of adjacent segment between both periods. Radiological degenerative changes of operated segments were observed in 30%. That of adjacent segments was observed in 11 and 11% at upper and lower segments, respectively.
After mean 4-year follow-up periods, there were degenerative changes of operated segments. However, ACMF preserved motion and prevented degenerative changes of adjacent segments.
颈椎前路微型椎间孔切开术（ACMF）是一种保留运动功能的外科手术。本研究的目的是评估ACMF术后手术节段及相邻节段的影像学变化。
我们回顾性分析了1998年至2008年间接受ACMF手术的52例患者。根据基于X线片的变化，比较术前和末次随访时手术节段及相邻节段的椎间盘高度和矢状面活动度（ROM）。同时分析两个节段的影像学退变情况。
平均随访时间为48.2个月。共有78个手术节段、52个上相邻节段和38个下相邻节段。术前和末次随访时手术节段的ROM和椎间盘高度存在统计学显著差异。然而，两个时期相邻节段的ROM和椎间盘高度无统计学显著差异。手术节段出现影像学退变改变的占30%。上、下相邻节段分别有11%和11%出现影像学退变改变。
经过平均4年的随访，手术节段出现了退变改变。然而，ACMF保留了运动功能并防止了相邻节段的退变改变。
