Comparison of sacroiliac screw techniques for unstable sacroiliac joint disruptions: a finite element model analysis

Gonçalves, Rafaela Mendes; Freitas, Anderson; Aragão, Vinicius Augusto Dourado; Azevedo, Flávio Eduardo Ramos; Lopes, Nerisvado Bonfim; Mangueira, Luna Jeannie Alves; da Silva, Luiz Henrique Penteado; Pires, Robinson Esteves; Giordano, Vincenzo

doi:10.1016/j.injury.2023.05.014

Injury

2023

DOI: 10.1016/j.injury.2023.05.014

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Comparison of sacroiliac screw techniques for unstable sacroiliac joint disruptions: a finite element model analysis

Rafaela Mendes Gonçalves,

Anderson Freitas,

Vinicius Augusto Dourado Aragão

et al.

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2024

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Cited by 2 publications

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Augmented ilio-sacral screws for the treatment of fragility pelvic fractures: review of literature, presentation of a novel low-cost technique, and clinical results of a case series

Castro,

Carmona,

Zamora

et al. 2024

Eur J Orthop Surg Traumatol

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Augmented ilio-sacral screws for the treatment of fragility pelvic fractures: review of literature, presentation of a novel low-cost technique, and clinical results of a case series

Castro,

Carmona,

Zamora

et al. 2024

Eur J Orthop Surg Traumatol

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Lumbopelvic Stabilization with Two Methods of Triangular Osteosynthesis: A Biomechanical Study

Grüneweller,

Leunig,

Zderic

et al. 2024

JCM

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(1) Background: Pelvic fractures, and particularly instabilities of the dorsal pelvic ring, are becoming increasingly prevalent, particularly in orthogeriatric patients. Spino-pelvic triangular osteosynthesis is an effective approach to achieve sufficient stabilization in vertically unstable fractures. This study compares two types of osteosynthesis: the conventional one and a novel instrumentation where the iliosacral screw is placed through a fenestrated iliac screw. (2) Methods: Sixteen artificial osteoporotic L5+pelvis models with an unstable sacral fracture have been instrumented with either an iliac screw connected with a rod to a L5 pedicle screw and an iliosacral screw (TF) or a fenestrated ilium screw connected with a rod to a L5 pedicle screw and an iliosacral screw passing through the fenestra of the iliac screw (TFS). Biomechanical testing was performed using cyclic loading until failure. (3) Results: Both configurations yielded comparable results with regard to initial stiffness, implant loosening, and cycles to failure. The TFS exhibited markedly higher values for cycles to failure and markedly lower values for loosening. However, due to the characteristics of the artificial bone model, these findings were not significant. (4) Conclusions: The novel triangular fixation systems demonstrated comparable results to the standard triangular osteosynthesis configuration.

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Comparison of sacroiliac screw techniques for unstable sacroiliac joint disruptions: a finite element model analysis

Cited by 2 publications

References 46 publications

Augmented ilio-sacral screws for the treatment of fragility pelvic fractures: review of literature, presentation of a novel low-cost technique, and clinical results of a case series

Augmented ilio-sacral screws for the treatment of fragility pelvic fractures: review of literature, presentation of a novel low-cost technique, and clinical results of a case series

Lumbopelvic Stabilization with Two Methods of Triangular Osteosynthesis: A Biomechanical Study

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