Department of Radiology and Medical Imaging, University of Medicine and Pharmacy "Victor Babes", Timișoara, Romania.
Department of Traumatology and Orthopedics, University of Medicine and Pharmacy "Victor Babes", 2 Eftime Murgu sqr., Timisoara, Romania.
Int Orthop. 2021 Apr;45(4):997-1001. doi: 10.1007/s00264-020-04900-7. Epub 2021 Jan 4.
Long time recognized as a cause of lumbar stenosis, degenerative spondylolisthesis has an evolution in interrelation with sagittal balance. This study aimed to assess the role of ALIF in correcting the sagittal balance in patients with degenerative spondylolisthesis.
Twenty patients aged between 47 and 70 years were operated between July 2011 and September 2014 for degenerative spondylolisthesis by ALIF. The pre-operative and post-operative valid standing full spine radiographs were reviewed retrospectively. Clinical and radiological evaluations were conducted pre-operatively and postoperatively at one year and five years.
Lumbar lordosis (LL) was measured to 41.16 ± 14.25° pre-operatively and 47.27 ± 11.25° post-operatively (p > 0.05). At one year was 49.76 ± 13.31° and at five years 46.93 ± 9.26° (p > 0.05). Mean gain of lordosis after ALIF at index level was calculated to 8 ± 1.6° [4-12°].
ALIF offers a good reduction of the slipped vertebra providing good conditions for fusion and is an efficient surgical technique to recreate the sagittal spine balance.
退行性脊柱滑脱已被长期认为是腰椎管狭窄的病因之一，其与矢状位平衡存在演变关系。本研究旨在评估前路腰椎间融合术（ALIF）在纠正退行性脊柱滑脱患者矢状位平衡中的作用。
2011 年 7 月至 2014 年 9 月，对 20 名年龄在 47 至 70 岁之间的退行性脊柱滑脱患者行 ALIF 手术。回顾性分析术前和术后有效站立全脊柱正侧位片。术前和术后 1 年、5 年进行临床和影像学评估。
术前腰椎前凸（LL）为 41.16°±14.25°，术后为 47.27°±11.25°（p>0.05）。术后 1 年为 49.76°±13.31°，术后 5 年为 46.93°±9.26°（p>0.05）。ALIF 治疗指数水平的后凸增加平均值为 8°±1.6°[4-12°]。
ALIF 可有效复位滑脱椎体，为融合提供良好条件，是重建矢状位脊柱平衡的有效手术技术。
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