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Novel Implementation of Extreme Lateral Interbody Fusion to Avoid Intraoperative Lumbar Plexus Injury: Technical Note and Preliminary Results.

Abstract：

BACKGROUND:This study modified the traditional extreme lateral lumbar interbody fusion (XLIF) surgery and was intended to reduce the approach related to lumbar plexus injury. METHODS:The patients receiving a new modified XLIF for treatment of lumbar degenerative diseases since September 2017 in our hospital were retrospectively collected. Postoperative additional symptoms of leg numbness, pain, or weakness were recorded as lumbar plexus nerve injury. Intraoperative electromyographic monitoring was recorded during surgery to evaluate the safety of the modified entry point. The visual analog scale and Oswestry Disability Index were adopted to evaluate the postoperative clinical efficacy. Modified MacNab criteria were introduced to evaluate the patients' satisfaction 12 months after surgery. The preoperative and postoperative intervertebral height, foraminal height, and lumbar lordotic angle were measured. Repeated measurement variance analysis was used for comparison of clinical and imaging indexes in various periods. P < 0.05 indicated statistical difference. RESULTS:Fifty-nine patients were finally included in the retrospective study. The intraoperative average blood loss and operation time were 70 mL (40-130 mL) and 77.90 ± 13.65 minutes. The average follow-up time was 18 months. Postoperative visual analog scale and Oswestry Disability Index were significantly decreased compared with those before the operation. The intervertebral height and foraminal height were dramatically higher than those before surgery. No lumbar plexus injury occurred. CONCLUSIONS:The initial result was optimistic in reducing lumbar plexus injury and obtaining good clinical efficacy. We need to further expand the sample size and carry out a comparative study to observe the advantages and disadvantages of modified XLIF.

journal_name

World Neurosurg

journal_title

World neurosurgery

authors

Li J,Wang X,Zhang W,Guo L,Shen Y

doi

10.1016/j.wneu.2020.02.167

subject

Has Abstract

pub_date

2020-06-01 00:00:00

pages

332-338

eissn

1878-8750

issn

1878-8769

pii

S1878-8750(20)30442-3

journal_volume

138

pub_type

杂志文章

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Novel Implementation of Extreme Lateral Interbody Fusion to Avoid Intraoperative Lumbar Plexus Injury: Technical Note and Preliminary Results.