Observe a distância entre a linha de fratura e o comprimento da área de trabalho: análise bidimensional de elementos finitos em modelo de fixação extramedular

Introduction Fractures of the humeral shaft account for about 3% to 5% of all fractures. Although conservative treatment remains the first choice, there are a number of surgical indications. Minimally invasive plate osteosynthesis shows good functional results. However, complications have been reported, such as non-union. Objective To assess the prevalence and risk factors for non-union after treatment of humeral shaft fractures using minimally invasive plate osteosynthesis. Materials and methods This retrospective study was carried out in patients treated by minimally invasive plate osteosynthesis between 2009 and 2019. Demographic data and variables related to the fracture that could influence bone healing were analysed. The unpaired t-test and Mann–Whitney test were used for the statistical analyses. Categorical variables were analysed using the chi-square test or Fisher's exact test Results The study population showed a male predominance (53 of 75, 70.7%). The average time for fracture healing was 19.8 ± 15.3 weeks. Seven patients developed non-union. Only the presence of an open fracture increased the likelihood of non-union. Conclusions The prevalence of non-union in patients treated by minimally invasive plate osteosynthesis was 9.3%. Patients with open fractures were six times more likely to progress to non-union. Fracture characteristics (Arbeitsgemeinschaft für Osteosynthesefragen classification, fracture location and plate working length) did not influence progression to non-union.

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Observe a distância entre a linha de fratura e o comprimento da área de trabalho: análise bidimensional de elementos finitos em modelo de fixação extramedular

Cited by 4 publications

References 17 publications

A regression orthogonal biomechanical analysis of internal fixation for femoral shaft fracture

A regression orthogonal biomechanical analysis of internal fixation for femoral shaft fracture

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

Prevalence and risk factors for pseudarthrosis in humeral shaft fractures treated by minimally invasive plate osteosynthesis: A 10-year review

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