The Royal College of Surgeons of England (RCS) recently issued guidance regarding the use of re-operation rates in the re-validation of UK based orthopaedic surgeons. Currently, little has been published concerning acceptable rates of re-operation following primary surgical management of orthopaedic trauma, particularly with reference to re-validation.

We conducted a retrospective review of patients undergoing a clearly defined re-operation following primary surgical management of trauma between 1^st January 2010 and 31^st December 2011. 3688 patients underwent primary procedures while 83 (2.25%; 99%CI = 1.69 to 2.96%) required an unplanned re-operation. The mean age of patients was 46 years (range 2–98) with 46 (55%) males and a median time to re-operation of 34 days (IQR 12–134). Potentially avoidable re-operations occurred in 47 patients (56.6%; 99%CI = 42.6 to 69.8%) largely due to technical errors (46 patients; 55.4%; 99%CI = 41.4 to 68.7%), representing 1.27% (99%CI = 0.87 to 1.83%) of the total trauma workload. Within RCS guidelines 28 day re-operation rates for hip fractures, wrist fractures and ankle fractures were 1.4% (99%CI = 0.5 to 3.3%), 3.5% (99%CI = 0.8% to 12.1%) and 2.48% (99%CI = 0.7 to 7.6%) respectively.

We present novel work that has established baseline re-operation rates for index procedures required for revalidation of orthopaedic surgeons.

Hip fractures are common injuries in the elderly, with significant mortality and morbidity from several factors. Many of these patients have cardiac disease, and some develop cardiac complications which may increase mortality.

Troponin T is a marker of myocardial injury but can be raised in other conditions. Patients over 60 years old admitted with hip fracture during the study period had their troponin T measured on admission and following surgery. Assay was performed after the patient had completed their treatment. We report the results of this study one year after the last patient was admitted.

108 patients were recruited. The average age was 84 years; 86% were female. This study found that 27% of hip fracture patients had some increase in the troponin T levels in the peri-operative period. This increase was not associated with an increase in early mortality, but there was an increase in one-year mortality for those with an increase in troponin T (45% versus 22%, p=0.03). These findings indicate that the routine measurement of troponin T after a hip fracture is unnecessary.

Lumbar spine foraminal stenosis has previously been defined by the foraminal and posterior disc height. We performed a study to determine whether residual clinically significant foraminal stenosis correlates with foraminal dimensions and peri-neural fat signal loss in a group of patients with leg pain undergoing surgery for lateral recess stenosis. We retrospectively studied the pre-operative para-sagittal MRI slices of 57 patients undergoing lumbar decompression and measured pre- and post-operative VAS as a primary outcome measure to evaluate surgical success. We performed a linear regression analysis comparing change in VAS score, 1 year VAS and percentage change in VAS with foraminal height and width and found no significant correlation (R² <0.2 for all correlations). We identified a sub-group of 16 patients with absent perineural foraminal fat signal with a significantly increased probability of post-operative VAS>2 compared to patients with present fat signal (p=0.0001) who all had foraminal height <10mm. In conclusion, we were unable to define dimensional foraminal parameters for clinically significant foraminal stenosis on para-sagittal MRI. Obliteration of perineural fat was associated with worse outcome and post-operative leg pain. The aetiology of foraminal stenosis is multi-factorial and more detailed imaging of the foramen is required. We recommend that coronal and fine para-sagittal MRI slices are analysed to evaluate patients with central and lateral recess stenosis for co-existing foraminal stenosis.