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Non-neurologic adverse events after complex adult spinal deformity surgery: results from the prospective, multicenter Scoli-RISK-1 study

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  2. An international consensus on the appropriate evaluation and treatment for adults with spinal deformity

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  4. Significant differences in morbidity when comparing adverse events for cervical and lumbar spine surgery - prospectively graded with SAVES

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  1. External Validation of the Adult Spinal Deformity (ASD) Frailty Index (ASD-FI) in the Scoli-RISK-1 Patient Database

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  2. Sagittal Alignment After Surgical Treatment of Adolescent Idiopathic Scoliosis-Application of the Roussouly Classification

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  • Kenny Yat Hong Kwan
  • Cora Bow
  • Dino Samartzis
  • Lawrence G Lenke
  • Christopher I Shaffrey
  • Leah Y Carreon
  • Benny T Dahl
  • Michael G Fehlings
  • Christopher P Ames
  • Oheneba Boachie-Adjei
  • Mark B Dekutoski
  • Khaled M Kebaish
  • Stephen J Lewis
  • Yukihiro Matsuyama
  • Hossein Mehdian
  • Ferran Pellisé
  • Yong Qiu
  • Frank J Schwab
  • Kenneth Man Chee Cheung
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PURPOSE: Accurate information regarding the expected complications of complex adult spinal deformity (ASD) is important for shared decision making and informed consent. The purpose of the present study was to investigate the rate and types of non-neurologic adverse events after complex ASD surgeries, and to identify risk factors that affect their occurrence.

METHODS: The details and occurrence of all non-neurologic adverse events were reviewed in a prospective cohort of 272 patients after complex ASD surgical correction in a mulitcentre database of the Scoli-RISK-1 study with a planned follow-up of 2 years. Logistic regression analyses were used to identify potential risk factors for non-neurologic adverse events.

RESULTS: Of the 272 patients, 184 experienced a total of 515 non-neurologic adverse events for an incidence of 67.6%. 121 (44.5%) patients suffered from more than one adverse event. The most frequent non-neurologic adverse events were surgically related (27.6%), of which implant failure and dural tear were most common. In the unadjusted analyses, significant factors for non-neurologic adverse events were age, previous spine surgery performed, number of documented non-neurologic comorbidities and ASA grade. On multivariable logistic regression analysis, previous spine surgery was the only independent risk factor for non-neurologic adverse events.

CONCLUSIONS: The incidence of non-neurologic adverse events for patients undergoing corrective surgeries for ASD was 67.6%. Previous spinal surgery was the only independent risk factor predicting the occurrence of non-neurologic adverse events. These findings complement the earlier report of neurologic complications after ASD surgeries from the Scoli-RISK-1 study. These slides can be retrieved under Electronic Supplementary Material.

Original languageEnglish
JournalEuropean spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
Volume28
Issue number1
Pages (from-to)170-179
Number of pages10
ISSN0940-6719
DOIs
Publication statusPublished - Jan 2019

ID: 56467890