Understanding the correlation between coronal plane tibial plateau fractures and the Schatzker classification system

Poster presented at the 2017 Health Sciences Research Day which was organized and sponsored by the University of Missouri School of Medicine Research Council and held on November 9, 2017.Conclusion: Fractures oriented in the coronal plane were overlooked for many years, before the advent of three dimensional imaging studies. The current study demonstrates that this pattern is very prevalent and most frequently associated with high energy trauma. This is highlighted by the finding that fracture dislocation types, described as Schatzker classifications IV, V and VI, are most likely associated with coronal plane compromise of the joint. Such injuries may require special surgical planning, and are good indications for complementary three dimensional imaging studies. Further research is needed to determine the exact patterns of soft tissue injuries associated with each Schatzker type. This future analysis may offer guidance to surgeons regarding what should be expected for each Schatzker type and, therefore, enable surgeons to foresee all needed resources to address not only the bony injury, diagnosed by radiographs, but all associated soft tissues damage

Bone cement and gentamIcin in the treatment of bone infection: background and in vitro study

OBJETIVO: Determinar as características de eluição da gentamicina. MÉTODO: 480mg de gentamicina foram adicionadas a 40g de cimento ósseo. Dez corpos de teste semelhantes foram produzidos e imersos individualmente em solução salina tamponada por 28 dias. Amostras dos dias 1, 2, 7, 14, 21 e 28 foram analisadas pelo método de imunofluorescência polarizada. RESULTADO: A maior parte da gentamicina foi liberada do cimento nas primeiras 24 horas. Uma queda gradual se deu do 2° ao 14° dia. No 28° dia, a maior parte das amostras não apresentava mais níveis detectáveis do antibiótico. CONCLUSÃO: A mistura liberou quantidades elevadas e em doses terapêuticas do antibiótico de forma previsível ate o décimo quarto dia.OBJECTIVE: To determine the elution characteristics of the antibiotic (gentamicin) mixed with bone cement. METHODS: 480mg of gentamicin was added to 40g of bone cement. Ten specimens were immersed in buffered saline solution for 28 days. Samples of days 1, 2, 7, 14, 21 and 28 were analyzed by the fluorescence polarization immunoassay method. RESULTS: Most of the gentamicin was eluted from the cement in the first 24 hours. A gradual downslide occurred between days 2 and 14. By the 28th day, there was no trace of the antibiotic. CONCLUSION: The mixture released high amounts of the antibiotic in a predictable (therapeutic) manner during at least fourteen days.Fundação de Amparo a Pesquisa do estado de São Paulo (FAPESP

The additional labour of a disabled PhD student

This is a personal account of the challenges I have faced during the first year and a half of my PhD, solely due to my identity as a disabled student. I address issues such as a lack of representation when researching PhD life, the impact of the services which are meant to be there to help and the complexities of juggling the additional time-consuming events which occur when you are disabled, with PhD time, a home life and work. This is especially relevant in the United Kingdom at this time as the Disabled Students Allowance has recently been cut back, meaning there is less support available for disabled students, and with the increased marketisation of higher education it could be argued that there is less impetus for universities to support those who have non-standard needs

Conventional plate and screws in medial opening-wedge high tibial osteotomy: are they sufficiently stable? A retrospective study

ABSTRACT Objective: Opening-wedge osteotomy of the proximal tibia is a widely performed procedure for treating medial gonarthrosis in active patients and in the presence of varus malalignment of the lower limb. The fixation method is controversial, and the use of conventional implants has been abandoned in favor of implants with more modern locking screws. The aim of the present clinical study was to assess the maintenance of the correction achieved in cases wherein fixation was performed using conventional implants., Methods: This retrospective study included 51 patients who underwent opening-wedge high tibial osteotomy wherein fixation was performed using conventional implants (4.5-mm DCP plate and non-locking screws). Radiological findings regarding patellar height, tibial slope, and varus correction postoperatively and after consolidation were analyzed to assess the maintenance of the correction achieved by osteotomy., Results: The mean loss of correction angle, calculated by the difference between the correction angle in the immediate postoperative period and that after consolidation, was 0.92° ± 0.9°. In addition, changes in patellar height determined by the Blackburne-Peel method and in the sagittal slope of the tibial plateau were not significant or clinically relevant. Conclusions: The use of conventional plates and screws is viable in the fixation of opening-wedge high tibial osteotomy because they provide enough stability to maintain the achieved correction until consolidation, without significant changes