• J Clin Neurosci · Nov 2016

    Comparative Study

    Patient-reported and radiographic outcomes of minimally invasive transforaminal lumbar interbody fusion for degenerative spondylolisthesis with or without reduction: A comparative study.

    • Guoxin Fan, Hailong Zhang, Xiaofei Guan, Guangfei Gu, Xinbo Wu, Annan Hu, Xin Gu, and Shisheng He.
    • Orthopedic Department, Shanghai Tenth People's Hospital, Tongji University School of Medicine, China.
    • J Clin Neurosci. 2016 Nov 1; 33: 111-118.

    AbstractThis retrospective study aimed to compare the patient-reported outcomes and radiographic assessment of minimally invasive transforaminal lumbar interbody fusion (MI-TLIF) for degenerative spondylolisthesis with reduction versus in situ fusion. Patients receiving MI-TLIF with reduction were assigned as Group A, and those without reduction were assigned as Group B. Radiographic fusion was assessed using Bridwell's grading criteria. Preoperative and postoperative patient-reported outcomes including visual analogue score (VAS), Oswestry Disability Index (ODI), Japanese Orthopedic Association (JOA) scale and improvement rate were analyzed. There were 41 patients in Group A and 37 patients in Group B. The mean follow-up was 30.78±14.15months in Group A and 28.95±10.75months in Group B (p=0.525). There were no significant differences in hospital stay (p=0.261), estimated blood loss (p=0.639), blood transfusion (p=0.336), operation time (p=0.762) and complications (p=1.00) between the two groups. Radiographic fusion rate was 92.68% (38/41) in Group A, and 81.08% (30/37) in Group B (p=0.110). Significant differences were observed in either 3-month or last follow-up JOA, VAS, and ODI compared with preoperative JOA, VAS, and ODI, respectively (p<0.05). However, there were no significant differences in JOA, VAS, and ODI between the two groups whenever preoperatively, or 3-month postoperatively, or at the last follow-up (p>0.05). According to MacNab criteria, the excellent and good rate was 85.37% in Group A and 86.49% in Group B (p=0.983). MI-TLIF is an effective and satisfactory surgical technique to manage degenerative spondylolisthesis regardless of reduction or not, so routine reduction may not be a requirement in MI-TLIF for degenerative spondylolisthesis.Copyright © 2016 Elsevier Ltd. All rights reserved.

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