• Hong-Qi Zhang, Yu-Xiang Wang, Jian-Huang Wu, and Jing Chen.
• Department of Spine Surgery, Xiangya Spinal Surgery Center, Xiangya Hospital of Central South University, ChangSha, China; National Clinical Research Center for Geriatric Disorder, Xiangya Hospital of Central South University, ChangSha, China.
• World Neurosurg. 2020 Mar 1; 135: e116-e125.

ObjectiveThe main objective of the present study was to analyze the efficacy and feasibility of surgical management for patients with monosegmental lumbar or lumbosacral pyogenic vertebral osteomyelitis (PVO) by using one stage posterior debridement, interbody graft using titanium mesh cage, posterior monosegmental instrumentation, and fusion.MethodsFrom February 2014 to May 2016, 27 patients with lumbar or lumbosacral PVO were treated by posterior debridement, interbody graft using titanium mesh cage, posterior monosegmental instrumentation, and fusion. The degree of damage to the patients' vertebral bodies was one third to one half height. There were 16 male and 11 female, with a mean age of 43.5 years (range, 32-56 years) at the time of surgery. The mean follow-up time was 35.7 months (range, 26-53 months). The clinical efficacy was evaluated on average operation time, blood loss, visual analog scale, erythrocyte sedimentation rate, C-reactive protein level, and neurologic function recovery.ResultsPVO was completely cured and the grafted bone was fused in all 27 patients. There was no recurrent vertebral osteomyelitis infection. Erythrocyte sedimentation rate and C-reactive protein level achieved normal limits within 3 months in all patients. The American Spinal Injury Association neurologic classification was improved in all cases. Pain relief was obtained in all patients.ConclusionsOur results showed that one stage posterior debridement, interbody graft using titanium mesh cage, posterior monosegmental instrumentation, and fusion was an effective treatment for patients with one third to one half height of vertebral body damaged in monosegmental lumbar or lumbosacral PVO. The surgical method is characterized as minimum surgical trauma, good pain relief, good neurologic recovery, and good reconstruction of spinal stability.Copyright © 2019 Elsevier Inc. All rights reserved.

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