4.5 Article

The association between vertical laminar fracture and recurrent kyphosis after implant removal of Thoracolumbar burst fracture: a retrospective study

Journal

BMC MUSCULOSKELETAL DISORDERS
Volume 24, Issue 1, Pages -

Publisher

BMC
DOI: 10.1186/s12891-023-06139-w

Keywords

Burst fracture; Laminar fracture; Recurrent kyphosis; Thoracolumbar fracture

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This study retrospectively analyzed the clinical data of 86 patients with thoracolumbar burst fracture and found an association between laminar fractures and postoperative loss of correction. Preoperative Cobb angle was also identified as a predictive factor.
BackgroundSurgeons often encounter recurrent kyphosis of Cobb angle following thoracolumbar burst fracture surgery. Some factors affecting postoperative correction loss have been studied in previous studies, but few have examined the relationship between laminar fractures and postoperative loss of correction.MethodsThe clinical data of 86 patients with thoracolumbar burst fracture who met the inclusion criteria and were admitted to our Department of Spine Surgery between 2013 and 2020 was retrospectively analyzed. To examine the association between laminar fracturs and postoperative correction loss, demographic and radiographic characteristics of the two groups were analyzed.ResultsThe presence or absence of laminar fractures was statistically different between the two groups (P < 0.05). Binary logistic regression analysis showed that laminar fractures and preoperative Cobb were statistically significant in the two groups. There were statistically significant differences in the degree of injury of laminar fractures in the coronal plane between the two groups (P < 0.05).ConclusionThis study investigated that the presence or absence of laminar fractures and preoperative Cobb contribute to loss of correction after thoracolumbar burst fracture surgery. There was a statistically significant difference between full-length and partial-length laminar fractures on the loss of postoperative correction of thoracolumbar burst fractures with laminar fractures.

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