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Surgical Research and New Technique ›› 2026, Vol. 15 ›› Issue (1): 15-20.doi: 10.3969/j.issn.2095-378X.2026.01.004

• Original article • Previous Articles     Next Articles

Application effect of bioactive glass combined with polyetheretherketone (PEEK) interbody fusion cage in transforaminal lumbar interbody fusion surgery

SHEN Yeqin1, LI Fuping2, HAO Shuai2, YU Yan2   

  1. 1. Department of Radiology, Tongji Hospital Affiliated to Tongji University, Shanghai 200065, China;
    2. Department of Orthopedics, Tongji Hospital Affiliated to Tongji University, Shanghai 200065, China
  • Received:2025-02-10 Online:2026-03-28 Published:2026-04-21

Abstract: Objective To evaluate the efficacy of a bioactive glass (BG) and polyetheretherketone (PEEK) interbody fusion cage in transforaminal lumbar interbody fusion (TLIF) procedures. Method A retrospective analysis was performed on 174 patients who underwent TLIF surgery for lumbar degenerative diseases from January 2017 to December 2023. Patients were categorized into an autogenous bone graft (ABG) group (99 cases) and a bioactive glass group (75 cases) based on the bone graft material used. Patient demographics, surgical details, follow-up details, fusion segment balance parameters, and fusion progression images were collected. Surgical duration, intraoperative blood loss, postoperative mobilization time, hospital stay, and Oswestry Disability Index (ODI) were compared between the two groups. Pre- and post-operative intervertebral space height and lordosis angle, as well as bone graft fusion outcomes were also compared between the two groups. Results No statistically significant differences (P>0.05) were observed between the two groups in terms of surgical time, blood loss, postoperative mobilization time, or hospital stay. Pre- and post-operative ODI scores did not differ significantly between the groups (P>0.05); however, both groups demonstrated a statistically significant reduction in ODI scores 5 d postoperatively compared to preoperative levels (P<0.05). Both groups exhibited significant improvements in anterior and posterior disc height compared to preoperative measurements (P<0.05), with no statistically significant difference between the two groups (P>0.05). The lordosis angle of the fused segment improved significantly postoperatively in both groups (P<0.05), with no statistically significant difference between the groups (P>0.05). Postoperative follow-up revealed no cases of bone graft failure or pseudarthrosis in either group. Conclusion The combination of a PEEK interbody fusion cage with bioactive glass bone graft in lumbar spine surgery demonstrates good efficacy, significantly restoring intervertebral space height and lordosis angle in the fused segment.

Key words: Transforaminal lumbar interbody fusion, Bone graft material, Polyetheretherketone, Bioactive glass, Lumbar bone graft interbody fusion, Lumbar degenerative disease, Lumbar spinal stenosis, Lumbar disc herniation

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