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Journals / Acta Orthopaedica et Traumatologica Turcica / 2015 / Cilt: 49 - Sayı: 2

Predictive factors for postoperative deformity in thoracolumbar burst fractures: a statistical approach

Stelian ANGHEL
Marius PETRISOR
Corneliu Florin BUICU
Denes MARTON
Tiberiu BATAGA
Pages
133–138
DOI
—
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⚡ TL;DR(Too Long; Didn't Read)

Simple linear regressions performed on each subgroup with preoperative kyphotic angle as the independent variable revealed that the variable accounted for 15% (PSSF subgroup), 17% (AA subgroup) and 34% (PMF subgroup) of the variation in LFU kyphotic angle.Conclusion: All valid regression models displayed modest explanatory power, suggesting that factors other than those taken into consideration are involved

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: To assess, using statistical analysis, if and to what extent the final outcome of surgical treatment for burst fractures depends on operation type, fracture level and initial deformity severity.Methods: A database of 287 patients with single-vertebral-level thoracic and lumbar spine fractures analysed using simple and multiple linear regression analyses models.
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Key Findings & Data:The dependent variable was last follow-up (LFU) kyphotic angle and the predictor variables were operation type [anterior approach (AA), posterior short-segment fixation (PSSF) and posterior monosegmental fixation (PMF)], fracture level (T11-L1, L2-L3 and L4-L5) and preoperative kyphotic angle.
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Conclusion & Impact:Simple linear regressions performed on each subgroup with preoperative kyphotic angle as the independent variable revealed that the variable accounted for 15% (PSSF subgroup), 17% (AA subgroup) and 34% (PMF subgroup) of the variation in LFU kyphotic angle.Conclusion: All valid regression models displayed modest explanatory power, suggesting that factors other than those taken into consideration are involved
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Objective: To assess, using statistical analysis, if and to what extent the final outcome of surgical treatment for burst fractures depends on operation type, fracture level and initial deformity severity.Methods: A database of 287 patients with single-vertebral-level thoracic and lumbar spine fractures analysed using simple and multiple linear regression analyses models. The dependent variable was last follow-up (LFU) kyphotic angle and the predictor variables were operation type [anterior approach (AA), posterior short-segment fixation (PSSF) and posterior monosegmental fixation (PMF)], fracture level (T11-L1, L2-L3 and L4-L5) and preoperative kyphotic angle. The models were applied on either the whole sample or on the operation type subgroups.Results: In simple linear regression analysis models, fracture level accounted for 32% and 18% of the variation in LFU kyphotic angle in the AA and PMF subgroups, respectively. In the multiple linear regression models for the same subgroups, up to 40% of the variation in LFU kyphotic angle was accounted for by fracture level. Surgical treatment, as predictor variable, indicated that patients treated by PSSF developed a post-surgical kyphotic angle 8.51° more severe than those treated by AA. However, the model accounted for only 2% of the variation in LFU kyphotic angle. Simple linear regressions performed on each subgroup with preoperative kyphotic angle as the independent variable revealed that the variable accounted for 15% (PSSF subgroup), 17% (AA subgroup) and 34% (PMF subgroup) of the variation in LFU kyphotic angle.Conclusion: All valid regression models displayed modest explanatory power, suggesting that factors other than those taken into consideration are involved

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Cite This Article

ANGHEL, S., PETRISOR, M., BUICU, C. F., MARTON, D., BATAGA, T. (2015). Predictive factors for postoperative deformity in thoracolumbar burst fractures: a statistical approach. Acta Orthopaedica et Traumatologica Turcica, Cilt: 49 - Sayı: 2, 133–138. https://ajindex.com/articles/354081

References (13)

  1. Verlaan JJ, Diekerhof CH, Buskens E, van der Tweel I, Verbout AJ, Dhert WJ, et al. Surgical treatment of trau- matic fractures of the thoracic and lumbar spine: a system- atic review of the literature on techniques, complications, and outcome. Spine (Phila Pa 1976) 2004;29:803-14.
  2. Shen WJ, Liu TJ, Shen YS. Nonoperative treatment ver- sus posterior fixation for thoracolumbar junction burst fractures without neurologic deficit. Spine (Phila Pa 1976) 2001;26:1038-45.
  3. Dai LY, Jiang SD, Wang XY, Jiang LS. A review of the management of thoracolumbar burst fractures. Surg Neu- rol 2007;67:221-31.
  4. Buchowski JM, Kuhns CA, Bridwell KH, Lenke LG. Sur- gical management of posttraumatic thoracolumbar kypho- sis. Spine J 2008;8:666-77.
  5. Vaccaro AR, Silber JS. Post-traumatic spinal deformity. Spine (Phila Pa 1976) 2001;26(24 Suppl):111-8.
  6. Aebi M, Etter C, Kehl T, Thalgott J. Stabilization of the lower thoracic and lumbar spine with the internal spinal skeletal fixation system. Indications, techniques, and first results of treatment. Spine (Phila Pa 1976) 1987;12:544- 51. Prolo DJ, Oklund SA, Butcher M. Toward uniformity in evaluating results of lumber spine operations: a paradigm supplied to PLIF. Spine 1986;11:601-6.
  7. Parker JW, Lane JR, Karaikovic EE, Gaines RW. Success- ful short-segment instrumentation and fusion for thora- columbar spine fractures: a consecutive 41/2-year series. Spine (Phila Pa 1976) 2000;25:1157-70.
  8. Wang XY, Dai LY, Xu HZ, Chi YL. Kyphosis recurrence after posterior short-segment fixation in thoracolumbar burst fractures. J Neurosurg Spine 2008;8:246-54.
  9. Benson DR, Burkus JK, Montesano PX, Sutherland TB, McLain RF. Unstable thoracolumbar and lumbar burst fractures treated with the AO fixateur interne. J Spinal Disord 1992;5:335-43.
  10. Wood K, Buttermann G, Mehbod A, Garvey T, Jhanjee R, Sechriest V. Operative compared with nonoperative treat- ment of a thoracolumbar burst fracture without neurologi- cal deficit. A prospective, randomized study. J Bone Joint Surg Am 2003;85-A(5):773-81.
  11. Shi R, Liu H, Zhao X, Liu X, Gong Q, Li T, et al. Anterior single segmental decompression and fixation for Denis B type thoracolumbar burst fracture with neurological de- ficiency: thirty-four cases with average twenty-six month follow-up. Spine (Phila Pa 1976) 2011;36:598-605.
  12. Xu JG, Zeng BF, Zhou W, Kong WQ, Fu YS, Zhao BZ, et al. Anterior Z-plate and titanic mesh fixation for acute burst thoracolumbar fracture. Spine (Phila Pa 1976) 2011;36:498-504.
  13. Shono Y, McAfee PC