Effect of K‑line on posterior cervical surgery versus anterior cervical surgery in patients with multi-level ossification of posterior longitudinal ligament
- 07.05.2023
- Original Article
Erschienen in:
- Verfasst von
- Jingwei Liu
- Jianqiang Wang
- Zihao Ding
- Yong Hai
- Yiqi Zhang
- Nan Kang
- Qiang Wang
- Erschienen in
- European Spine Journal | Ausgabe 7/2023
Abstract
Purpose
To evaluate the influence of K-line on the outcome of open-door laminoplasty versus anterior cervical corpectomy decompression and fusion (ACCF) for patients with more than two levels of ossification of the posterior longitudinal ligament (OPLL).
Methods
60 patients undergoing open-door laminoplasty and 62 patients undergoing ACCF from January 2013 to January 2020 with more than 2 years of follow-up were included. Eighty-four cases with the ossification mass not beyond the K-line were grouped as K-line (+), while thirty-eight cases were grouped as K-line (−). The operation time, intraoperative blood loss, hospital stay, preoperative, postoperative, and last follow-up JOA scores, and postoperative complications were investigated.
Results
The improvement rate of JOA scores after posterior approaches in cases of group K-line (+) and K-line (−) was 72.4% and 53.1%, respectively, which showed a significant difference (P < 0.01). In group K-line (+), the improvement of JOA scores for open-door laminoplasty was 73.4% and 71.8% for ACCF, which showed no significant difference (P > 0.05). In group K-line (−), the improvement of JOA scores for ACCF was 52.1% and 42.9% for open-door laminoplasty, which showed a significant difference (P < 0.05). The incidence of C5 palsy was significantly lower in cases with ACCF than in cases with open-door laminoplasty (P < 0.05).
Conclusion
For patients with more than two levels of OPLL, preoperative K-line (+) predicates a better outcome than K-line (−). For cases with K-line (−), ACCF provides better neurologic function recovery. For patients with K-line (+), open-door laminoplasty provides the same neurologic function recovery of ACCF.
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- Titel
- Effect of K‑line on posterior cervical surgery versus anterior cervical surgery in patients with multi-level ossification of posterior longitudinal ligament
- Verfasst von
-
Jingwei Liu
Jianqiang Wang
Zihao Ding
Yong Hai
Yiqi Zhang
Nan Kang
Qiang Wang
- Publikationsdatum
- 07.05.2023
- Verlag
- Springer Berlin Heidelberg
- Erschienen in
-
European Spine Journal / Ausgabe 7/2023
Print ISSN: 0940-6719
Elektronische ISSN: 1432-0932 - DOI
- https://doi.org/10.1007/s00586-023-07736-y
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