Aim. The primary aim of this quality improvement project was to assess compliance with BOAST 4 guidelines for the delivery of antibiotic prophylaxis in patients presenting to a major trauma centre with open limb fracture and evaluate the impact of implemented changes on attainment of these guidelines. Secondary aims were to assess adherence to local guidelines for the type of antibiotic prescribed. Method. A multi-cycle audit and quality improvement project was carried out for all patients presenting to Brighton and Sussex University Hospitals NHS Trust (BSUH) with open limb fractures from 1st September 2018 to 31st January 2019, and 1. st. November 2019 to 31. st. March 2020. Patients were identified through retrospective screening of electronic operation records (Bluespier) by authors, and paper records were subsequently reviewed for data pertaining to antibiotic prescriptions. Following the initial audit cycle, targeted teaching was carried out for orthopaedic trainees, new posters were placed in key clinical areas to highlight local guidelines, and alterations to the trauma clerking proforma were implemented, to include BOAST 4 guidelines. Results. In cycle 1, a total of 52 patients received surgical treatment for open limb fractures, of which 48 (92.3%) were prescribed antibiotics prior to definitive management, with a mean time to administration of 271 minutes. Of these, 41 (78.8%) received prescriptions according to BSUH guidelines. The use of STAT prescriptions was found to significantly reduce the mean time to administration from 298 minutes to 144 minutes (p = 0.044). In cycle 2, a total of 29 patients received surgical treatment for open limb fractures, of which all 100% were prescribed antibiotics prior to definitive management, with a reduced mean time to administration (233 minutes). Of these, 26 (89.7%) received prescriptions according to BSUH guidelines, and a significantly greater proportion (p = 0.0003) received initial STAT ‘once-only’ prescriptions (51.7% vs. 15.4%). Conclusions. This quality improvement project has demonstrated the successful implementation of targeted changes to improve the attainment of BOAST 4 guidelines. Following a multi-cycle audit, all patients now receive antibiotic prophylaxis, with a higher proportion receiving antibiotics according to local BSUH guidelines. Furthermore, the use of STAT ‘once-only’ prescriptions, which was shown to be beneficial during the first audit cycle, has now significantly increased following intervention

Open talus fracture are notoriously difficult to manage and they are commonly associated with a high level of complications including non-union, avascular necrosis and infection. Currently, the management of such injuries is based upon BOAST 4 guidelines although there is no suggested definitive management, thus definitive management is based upon surgeon preference. The key principles of open talus fracture management which do not vary between surgeons, however, there is much debate over whether the talus should be preserved or removed after open talus fracture/dislocation and proceeded to tibiocalcaneal fusion. A review of electronic hospital records for open talus fractures from 2014-2021 returned foureen patients with fifteen open talus fractures. Seven cases were initially managed with ORIF, five cases were definitively managed with FUSION, while the others were managed with alternative methods. We collected patient's age, gender, surgical complications, surgical risk factors and post-treatment functional ability and pain and compliance with BOAST guidelines. The average follow-up of the cohort was four years and one month. EQ-5D-5L and FAAM-ADL/Sports score was used as a patient reported outcome measure. Data was analysed using the software PRISM. Comparison between FUSION and ORIF groups showed no statistically significant difference in EQ-5D-5L score (P = 0.13), FAAM-ADL (P = 0.20), FAAM-Sport (P = 0.34), infection rate (P = 0.55), surgical times (P = 0.91) and time to weight bearing (P = 0.39), despite a higher proportion of polytrauma and Hawkins III and IV fractures in the FUSION group. FUSION is typically used as second line to ORIF or failed ORIF. However, there are a lack of studies that directly compared outcome in open talus fracture patients definitively managed with FUSION or ORIF. Our results demonstrate for the first time, that FUSION may not be inferior to ORIF in terms of patient functional outcome, infection rate, and quality-of-life, in the management of patients with open talus fracture patients. Of note, as open talus fractures have increased risks of complications such as osteonecrosis and non-union, FUSION should be considered as a viable option to mitigate these potential complications in these patients