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      THE INFLUENCE OF THE RIB CAGE ON THE SEVERITY OF THORACIC SPINE BURST FRACTURES Translated title: LA INFLUENCIA DE LA CAJA TORÁCICA EN LA GRAVEDAD DE LA FRACTURA POR ESTALLIDO EN LA COLUMNA TORÁCICA Translated title: INFLUÊNCIA DA CAIXA TORÁCICA NA GRAVIDADE DA FRATURA DA COLUNA TORÁCICA TIPO EXPLOSÃO

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          Abstract

          ABSTRACT Objective: To analyze the anatomic influence of the ribs related to the severity of thoracic spine burst fractures. Methods: A retrospective review of 28 patients with thoracic spine burst fractures hospitalized by the Spine Group of the Hospital Ortopédico de Passo Fundo between January 2002 and December 2016 was conducted. The kyphosis, vertebral collapse, and narrowing of the vertebral canal measurements were compared between patients who had fractures at the true and false rib levels (T1 to T10) and those with fractures at the floating rib levels (T11 to T12). Results: The kyphosis, vertebral collapse, and narrowing of the vertebral canal values, measured only for vertebrae pertaining to the rib cage, were low. In addition, there were no statistically significant differences between the measurements of the group of patients with fractures at the level of the true and false ribs (T1 to T10) and the group of patients whose fractures were at the level of the floating ribs (T11 and T12). Conclusion: The differences between the traumatic structural changes in the vertebrae with true and false ribs (T1 to T10) and the vertebrae with floating ribs (T11 and T12) were not significant in the present study. Level of Evidence II; Retrospective study.

          Translated abstract

          RESUMEN Objetivo: Analizar la influencia anatómica de las costillas con respecto a la gravedad de las fracturas de la columna torácica por estallido. Métodos: Se realizó una revisión retrospectiva de 28 pacientes con fractura de columna torácica por estallido, ingresados en el período comprendido entre enero de 2002 y diciembre de 2016 por el Grupo de Columna del Hospital Ortopédico de Passo Fundo. Se compararon las medidas de cifosis, colapso vertebral y estrechamiento del conducto vertebral entre los pacientes que presentaban fracturas a nivel de las costillas verdaderas o falsas (T1 a T10) y aquellos con fracturas a nivel de las costillas flotantes (T11 a T12). Resultados: Los valores de cifosis, colapso vertebral y estrechamiento del conducto vertebral, medidos solamente en las vértebras pertenecientes a la caja torácica, se mostraron bajos. Además, las mediciones no presentaron diferencias estadísticamente significativas al comparar los grupos de pacientes que presentaban fracturas a nivel de las costillas verdaderas o falsas (T1 a T10) con aquellos cuyas fracturas estaban a nivel de las costillas flotantes (T11 a T12). Conclusiones: Las diferencias entre los cambios estructurales traumáticos en las vértebras con costillas verdaderas y falsas (T1 a T10) y las vértebras con costillas flotantes (T11 y T12) no fueron significativas en el presente estudio. Nivel de Evidencia II; Estudio retrospectivo.

          Translated abstract

          RESUMO Objetivo: Analisar a influência anatômica das costelas sobre a gravidade das fraturas da coluna torácica tipo explosão. Métodos: Foi realizada uma revisão retrospectiva de 28 pacientes com fratura tipo explosão na coluna torácica, internados no período compreendido entre janeiro de 2002 a dezembro de 2016 pelo Grupo de Coluna do Hospital Ortopédico de Passo Fundo . As mensurações de cifose, colapso vertebral e estreitamento do canal vertebral foram comparadas entre os pacientes que apresentavam fraturas no nível das costelas verdadeiras ou falsas (T1 a T10) e aqueles com fraturas no nível das costelas flutuantes (T11 a T12). Resultados: Os valores da cifose, colapso vertebral e estreitamento do canal vertebral, mensurados apenas nas vértebras pertencentes à caixa torácica, mostraram-se baixos. Além disso, as mensurações não apresentaram diferenças estatísticas significativas quando foram comparados os grupos de pacientes que apresentavam fraturas no nível das costelas verdadeiras ou falsas (T1 a T10) com aqueles cujas fraturas eram no nível das costelas flutuantes (T11 e T12). Conclusões: As diferenças entre as alterações estruturais traumáticas nas vértebras com costelas verdadeiras e falsas (T1 a T10) e as vértebras com costelas flutuantes (T11 e T12) não foram significativas no presente estudo. Nível de Evidência II; Estudo retrospectivo.

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          AOSpine thoracolumbar spine injury classification system: fracture description, neurological status, and key modifiers.

          Reliability and agreement study, retrospective case series.
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            A comprehensive classification of thoracic and lumbar injuries

            In view of the current level of knowledge and the numerous treatment possibilities, none of the existing classification systems of thoracic and lumbar injuries is completely satisfactory. As a result of more than a decade of consideration of the subject matter and a review of 1445 consecutive thoracolumbar injuries, a comprehensive classification of thoracic and lumbar injuries is proposed. The classification is primarily based on pathomorphological criteria. Categories are established according to the main mechanism of injury, pathomorphological uniformity, and in consideration of prognostic aspects regarding healing potential. The classification reflects a progressive scale of morphological damage by which the degree of instability is determined. The severity of the injury in terms of instability is expressed by its ranking within the classification system. A simple grid, the 3-3-3 scheme of the AO fracture classification, was used in grouping the injuries. This grid consists of three types: A, B, and C. Every type has three groups, each of which contains three subgroups with specifications. The types have a fundamental injury pattern which is determined by the three most important mechanisms acting on the spine: compression, distraction, and axial torque. Type A (vertebral body compression) focuses on injury patterns of the vertebral body. Type B injuries (anterior and posterior element injuries with distraction) are characterized by transverse disruption either anteriorly or posteriorly. Type C lesions (anterior and posterior element injuries with rotation) describe injury patterns resulting from axial torque. The latter are most often superimposed on either type A or type B lesions. Morphological criteria are predominantly used for further subdivision of the injuries. Severity progresses from type A through type C as well as within the types, groups, and further subdivisions. The 1445 cases were analyzed with regard to the level of the main injury, the frequency of types and groups, and the incidence of neurological deficit. Most injuries occurred around the thoracolumbar junction. The upper and lower end of the thoracolumbar spine and the T10 level were most infrequently injured. Type A fractures were found in 66.1%, type B in 14.5%, and type C in 19.4% of the cases. Stable type A1 fractures accounted for 34.7% of the total. Some injury patterns are typical for certain sections of the thoracolumbar spine and others for age groups. The neurological deficit, ranging from complete paraplegia to a single root lesion, was evaluated in 1212 cases.(ABSTRACT TRUNCATED AT 400 WORDS)
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              The Three Column Spine and Its Significance in the Classification of Acute Thoracolumbar Spinal Injuries

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                Author and article information

                Journal
                coluna
                Coluna/Columna
                Coluna/Columna
                Sociedade Brasileira de Coluna (São Paulo, SP, Brazil )
                1808-1851
                2177-014X
                2022
                : 21
                : 1
                : e240584
                Affiliations
                [2] Passo Fundo Rio Grande do Sul orgnameUniversidade de Passo Fundo orgdiv1Faculdade de Medicina Brazil
                [1] Passo Fundo Rio Grande do Sul orgnameUniversidade de Passo Fundo orgdiv1Spine Surgery Group Brazil
                [3] Passo Fundo RS orgnameHospital de Clínicas orgdiv1Medical Residency in Orthopedics and Traumatology Brazil
                Article
                S1808-18512022000100210 S1808-1851(22)02100100210
                10.1590/s1808-185120222101240584
                388a6a36-d8eb-4574-9349-97a3f4217fff

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 02 December 2020
                : 06 July 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 31, Pages: 0
                Product

                SciELO Brazil

                Categories
                Original Articles

                Conducto Vertebral,Spinal Fractures,Thoracic Vertebrae,Spinal Canal,Fracturas de la Columna Vertebral,Vértebras Torácicas,Fraturas da Coluna Vertebral,Canal Vertebral

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