Small Preoperative Dural Sac Cross-Sectional Area and Anteriorly Placed Fusion Cages Are Risk Factors for Indirect Decompression Failure after Oblique Lateral Interbody Fusion

Hao Wu,Zhi Shan,Teng Zhang,Junhui Liu,Shunwu Fan,Fengdong Zhao,Jason Pui Yin Cheung

World neurosurgery（2022）

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摘要

OLIF is an effective procedure for indirect decompression. To avoid reoperation for lumbar spinal stenosis, surgeons should aim to place the center of the cage at the posterior half of the lower endplate. Surgical levels with a preoperative dural sac cross-sectional area <44 mm may not be suitable for indirect decompression.

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关键词

Cage,Dural sac,Fusion,Indirect decompression,Lumbar,OLIF,Reoperation

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