The problems of the operated spine. Treatment of transpedicular fixation failure and the adjacent level pathology: A clinical case

Abstract

Background: Among the modern methods of surgical treatment of the lumbar spine’s degenerative stenoses, decompressive-stabilizing surgical interventions using transpedicular screw-rod structures occupy an important place. The use of metal structures is justified not so much by the degenerative process specifics, degree or length of stenosis, but by the presence of instability in the spinal motion segments. In turn, the widespread use of fixing structures has naturally led to an increase in the specific complications, reaching 10–20 per cent of the total number of operated patients. One of the threatening complications of decompressive-stabilizing operations is the fracture of structural elements, often with the formation of pathology at the adjacent levels. The reasons for these complications are associated with both an erroneous choice of the construct parameters and a violation of the technique for installing the transpedicular fixation system (TPS). Clinical case description: The article presents an analysis of the clinical symptoms appearing with the formation of the adjacent level syndrome due to a fracture of the TPS system screws used to treat central stenosis of the spinal canal at the LIV -LV level. The correction of the pathology was carried out with a repeated surgical intervention. Conclusion: This clinical example draws attention to the combination of the adjacent level syndrome with a fracture of the metal structure in a patient after a decompressive-stabilizing operation using screw-rod fixation. An early diagnosis and adequate correction of the pathology helps to avoid the aggravation of symptoms and disability of patients.

Keywords

complications of surgical treatment / degenerative stenosis of the spinal canal / transpedicular fixation of the spinal motion segment / fracture of the transpedicular screw / clinical case

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RIGHTS & PERMISSIONS

Ochkal S.V., Sorokovikov V.A., Seliverstov P.V., Larionov S.N., Potapov V.E., Zhivotenko A.P.