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CT-Guided Percutaneous Vertebroplasty for Vertebral Non-union Following Posterior Fixation: A Preliminary Retrospective Study

  • Clinical Investigation
  • Non-Vascular Interventions
  • Published:
CardioVascular and Interventional Radiology Aims and scope Submit manuscript

A Correction to this article was published on 14 March 2022

This article has been updated

Abstract

Purpose

Traumatic thoracolumbar vertebral fractures are frequently treated with posterior fixation (PF) and vertebral augmentation. Sometimes, it is deemed too risky to offer vertebral augmentation under fluoroscopic guidance alone. Adjuvant CT/fluoroscopy-guided percutaneous vertebroplasty (PVP) could be offered in certain scenarios. The aim was to evaluate feasibility, safety and effectiveness of PVP in patients presenting with vertebral non-union (VNU) following PF performed without concomitant vertebral augmentation.

Materials and Methods

All patients treated in our institution with PVP between July 2015 and July 2020 were retrospectively reviewed. Patients treated with CT/fluoroscopy-guided PVP under local anesthesia for symptomatic VNU following PF were selected. Three criteria were established to assess cement distribution, considering vertebral filling of: (1) fracture cleft, (2) anterior two-thirds of the vertebral body, (3) from superior to inferior endplates. Numeric pain rating scale (NPRS) assessing grade of discomfort (0 = no pain; 10 = worst pain) and complications were evaluated before and 1 month after PVP.

Results

Ten patients were identified (mean age 53 ± 12y). Mean time between PF and PVP was 9.6 [2–35] months. Two patients required further cement injection with a second PVP. Eight patients had satisfactory vertebral filling according to the three criteria. Mean NPRS reduction was 2.7(-42%, p < 0.05). No significant complications occurred.

Conclusions

Combined CT/fluoroscopy guidance seems a useful tool to perform PVP in VNU following PF, even in presence of orthopedic metalwork. Interventional radiologists may help in these scenarios, performing an adjuvant PVP under local anesthesia. In this small series, the procedure seems safe and effective and could be taken in consideration as alternative to revision surgery.

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Data Availability

Raw data supporting the conclusions of this manuscript can be made available by the authors to any qualified researcher without undue reservation.

Change history

Abbreviations

A.O. Spine:

A. O. Spine Classification of Thoracolumbar Fractures

CT:

Computed Tomography

NPRS:

Numeric Pain Rating Scale

PF:

Posterior Fixation

PMMA:

Polymethyl-Methacrylate

PVP:

Percutaneous Vertebroplasty

SSPF:

Short-Segment Posterior Fixation

LSPF:

Long-Segment Posterior Fixation

VB:

Vertebral Body

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Acknowledgements

The authors would like to acknowledge the patients that participated in the study, the nurses and technical personnel working at our Interventional Radiology Department.

Funding

No sponsor was involved in any of the study steps: design, data collection, analysis, interpretation, writing of the report and submission.

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Correspondence to Luca Jacopo Pavan.

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The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as potential conflicts of interest.

Ethical Statement

This retrospective observational study was conducted in accordance with the Declaration of Helsinki. The participating parents provided an informed consent in accordance with the Declaration of Helsinki. No ethical committee approval was required for the retrospective nature of the study.

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Study Number: ClinicalTrials.gov Identifier NCT05071625.

The original online version of this article was revised: Erratum is made due to several errors in the affiliations of the authors, in the initial publication.

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Pavan, L.J., Dalili, D., Ranc, C. et al. CT-Guided Percutaneous Vertebroplasty for Vertebral Non-union Following Posterior Fixation: A Preliminary Retrospective Study. Cardiovasc Intervent Radiol 45, 687–695 (2022). https://doi.org/10.1007/s00270-021-03037-3

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  • DOI: https://doi.org/10.1007/s00270-021-03037-3

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