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Retrospective analysis of cervical corpectomies: implant-related complications of one- and two-level corpectomies in 45 patients

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Abstract

Cervical corpectomies are increasingly used to treat degenerative, metastatic, inflammatory and traumatic multisegmental diseases. The postoperative results are thought to correlate mainly with the number of resected vertebral bodies. Thus, the aim of the study was to analyse complications and early outcome of these procedures to document the implant-related complications in order to set up a prospective clinical trial. Forty-five patients, who were treated in our department from 2011 to 2014 and who were available for a minimum follow-up of 1 year, were consecutively included in this retrospective evaluation. The median age was 61 (±11) years with a female to male sex ratio of 19 to 26, respectively. In these patients, cervical corpectomies (one-, two- and three-level procedures) were performed. The average number of resected levels was 1.2 levels. The intraoperative loss of blood (LOB), the red cell transfusions (rcT), the length of operation (LOO) and the usage of drains were investigated and correlated with intra- and postoperative complications. The mean LOO was 244 min (±68) with a mean LOB of 511 ml (±531). The overall complication rate was 22.9% (10 patients). Six patients (13.3%) had implant-related complications due to loosening and toggling of the screws and/or cage subsidence. Two patients (4.4%) had a postoperative haematoma and another two patients (4.4%) suffered from neurological deterioration due to an ongoing and severe myelopathic syndrome. All these patients received revision surgery. The average time from the first to revision surgery was 90 days. Cervical corpectomies still remain procedures with a high complication rate mainly represented by implant-related failures. These implant-related complications range from screw/plate loosening or toggling to graft dislocation with subsidence and might be associated with constructs extended to the C7 vertebral body. In our study population, the rate of implant failure was comparable to the literature, but not obviously correlated with the number of vertebral bodies resected. This may be attributed to the different disease entities. Thus, our results support the use of circumferential approaches for selected instability scenarios (metastatic or inflammatory diseases, kyphosis, osteoporosis, etc.) of one- and two-level corpectomies.

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Author notes

  1. Sebastian Hartmann and P. Kavakebi contributed equally.

Authors and Affiliations

  1. Department of Neurosurgery, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria

    Sebastian Hartmann, P. Kavakebi, C. Wipplinger, A. Tschugg, P. P. Girod, S. Lener & C. Thomé

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  1. Sebastian Hartmann
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  2. P. Kavakebi
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  3. C. Wipplinger
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  6. S. Lener
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  7. C. Thomé
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Correspondence to Sebastian Hartmann.

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The study did not receive any external funding.

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The authors declare that they have no conflict of interest.

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According to the local institutional review board, for this type of retrospective study, ethics approval is not required.

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According to the local institutional review board, for this type of retrospective study, informed consent is not required.

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Hartmann, S., Kavakebi, P., Wipplinger, C. et al. Retrospective analysis of cervical corpectomies: implant-related complications of one- and two-level corpectomies in 45 patients. Neurosurg Rev 41, 285–290 (2018). https://doi.org/10.1007/s10143-017-0854-8

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  • DOI: https://doi.org/10.1007/s10143-017-0854-8

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