• Fulin Guan, Yang Sun, Lin Zhu, Guofa Guan, Ming Chen, Zhiyong Chi, Di Tian, Jiaao Gu, and Zhange Yu.
• Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, China; Alzheimer's Disease Research Unit, Yale University School of Medicine, New Haven, Connecticut, USA.
• World Neurosurg. 2018 Feb 1; 110: e546-e551.

PurposeA retrospective study was conducted to clarify the risk factors of postoperative sacroiliac joint pain (SIJP) for posterior open lumbar surgery.Patients And MethodsA total of 472 patients who underwent posterior lumbar surgery between January 2011 and December 2014 were included in this analysis. We recorded basic characteristics, surgical characteristics, and SIJP information for each patient.ResultsThe incidence of postoperative SIJP is 13.8% in our study. Comparison of the incidence of SIJP between diskectomy and posterior lumbar interbody fusion indicated that SIJP incidence tended to be higher in posterior lumbar interbody fusion patients (P = 0.029). Compared with the single-segment group, SIJP occurred more frequently in the multiple operative segments group (P = 0.025). Comparing the incidence of SIJP among different types of lumbar diseases, SIJP incidence is significantly higher in the lumbar stenosis group (P = 0035).ConclusionLumbar fusion surgery and multiple operative segments are interdependent risk factors for the postoperative SIJP. The incidence of postoperative SIJP also increases in patients with lumbar stenosis compared with lumbar disk herniation and lumbar spondylolisthesis.Copyright © 2017 Elsevier Inc. All rights reserved.

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