Failures and revisions in surgery for sagittal imbalance: Analysis of factors influencing failure

P. Berjano, R. Bassani, G. Casero, A. Sinigaglia, R. Cecchinato, C. Lamartina

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction Sagittal imbalance is an important risk factor for spinal disability, pain and loss of health related quality of life. Its correction has a positive impact on these outcomes. Still, it is a very aggressive surgery, with a high revision rate. The aim of this study is to analyze the most important causes of failure of surgery for correction of sagittal imbalance. Design and methods In this retrospective observational cohort study twelve patients who previously underwent surgery for sagittal imbalance correction were revised in the period 2009-10. We analyzed angular parameters of sagittal balance before and after primary surgery, type of instrumentation, modality of fusion, implant density, instrumented levels, modality of failure, time from first surgery and angular parameters after revision. Results and conclusion Causes of failure were insufficient correction, junctional kyphosis, screw loosening and pseudoarthrosis with rod breakage. In every case, patients presented a new onset or a worsening of sagittal imbalance and pain.

Original languageEnglish
JournalEuropean Spine Journal
Volume22
Issue numberSUPPL.6
DOIs
Publication statusPublished - Nov 2013

Keywords

  • Failure
  • Pelvic parameters
  • Rod breakage
  • Sagittal imbalance

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine
  • Medicine(all)

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