Colocação de parafusos pediculares na coluna torácica alta utilizando fluoroscopia: Avaliação do posicionamento dos parafusos por tomografia computadorizada em uma série de casos durante quatro anos

Translated title of the contribution: Free-hand placement of high thoracic pedicle screws with the aid of fluoroscopy: Evaluation of positioning by CT scans in a four-year consecutive series

Bruno Perocco Braga, Josaphat Vilela de Morais, Marcelo Duarte Vilela

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Objective: To evaluate the feasibility, safety and accuracy of pedicle screw placement in the upper thoracic spine using the free-hand technique with the aid of fluoroscopy; to analyze the methods used to verify correct screw positioning intra and postoperatively. Method: All patients with instability of the cervicothoracic or upper thoracic spine and at least one screw placed in the segment T1-T6 as part of a posterior construct entered the study. Only C-arm intraoperative fluoroscopy was used to guide screw placement. Results: We obtained excellent positioning in 98.07% of the screws. CT scans precisely demonstrated pedicle wall and anterolateral body violations. There was no hardware failure, no neurological or vascular injury and no loss of alignment during the follow-up period. Conclusion: Pedicle screws can be safely placed in the upper thoracic spine when strict technical principles are followed. Only a CT scan can precisely demonstrate vertebral body and medial pedicle cortical violations.

Translated title of the contributionFree-hand placement of high thoracic pedicle screws with the aid of fluoroscopy: Evaluation of positioning by CT scans in a four-year consecutive series
Original languagePortuguese
Pages (from-to)390-395
Number of pages6
JournalArquivos de Neuro-Psiquiatria
Volume68
Issue number3
DOIs
StatePublished - Jun 2010

Keywords

  • Cervicothoracic junction
  • Pedicle screws
  • Spinal instability
  • Thoracic spine
  • Transpedicular fixation

ASJC Scopus subject areas

  • Clinical Neurology
  • Biological Psychiatry

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