Our study suggests an exponential increase in the incidence of a fracture of the distal femur with age, analogous to the population suffering from a proximal femoral fracture. Allowing immediate unrestricted weight-bearing after LDFLP fixation in these elderly patients was not associated with failure of fixation. There was a high rate of union and low rate of re-operation. Cite this article: 2017;99-B:951-7.

High energy fractures of the pelvis are a challenging problem both in the immediate post-injury phase and later when definitive fixation is undertaken. No single management algorithm can be applied because of associated injuries and the wide variety of trauma systems that have evolved around the world. Initial management is aimed at saving life and this is most likely to be achieved with an approach that seeks to identify and treat life-threatening injuries in order of priority. Early mortality after a pelvic fracture is most commonly due to major haemorrhage or catastrophic brain injury. In this article we review the role of pelvic binders, angiographic embolisation, pelvic packing, early internal fixation and blood transfusion with regard to controlling haemorrhage. Definitive fixation seeks to prevent deformity and reduce complications. We believe this should be undertaken by specialist surgeons in a hospital resourced, equipped and staffed to manage the whole spectrum of major trauma. We describe the most common modes of internal fixation by injury type and review the factors that influence delayed mortality, adverse functional outcome, sexual dysfunction and venous thromboembolism.

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IntroductionKnife crime remains an area of public health concern. In order to tackle this problem and reduce its burden, the epidemiology of penetrating knife injuries needs to be understood. The aim of this study is to analyse the pattern of knife injuries at a major trauma centre (MTC) in London.MethodsAn analysis of cases from the prospectively collected Trauma Audit and Research Network database of patients attending the emergency department with violent intentional knife injuries from January 2014 to December 2018 was performed. Registry data were analysed for mechanism of injury, number of stabbings, month/date/time of admission, patient demographics, anatomical pattern of injury, hospital length of stay, intervention, ethnicity, repeat victims and fatality.Results1373 penetrating knife injuries activated the major trauma call representing 11.7% of all major trauma alerts. 44% occurred in the 16–25 years age group and 85.6% were male. 67.2% required hospital admission. 14.1% required surgery. 50.3% required intervention from multiple specialities. 39.4% had thoracic injuries and 25.8% abdominal injuries. Fatality rate was 0.9% (n=12). 3.6% were repeat victims. 26.8% were multiple stabbings. 5.2% were deliberate self-harm. 23.2% were of white ethnic background. Injury incidence peaked on a Saturday. A significant peak in injuries occurred between 22:00 and 00:00.ConclusionThis study shows an increase in the incidence of knife crime per year. These cases contribute approximately 12% of major trauma calls. Female assaults increased from 8.4% to 14.3%. Approximately 2/3 injuries occur in the thorax and abdomen with high frequencies at weekends and evenings. These facts can help allocate resources more efficiently.