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BackgroundThe purpose of this study is to evaluate the functional outcome, union and complication rates after surgical treatment of unstable or displaced proximal humeral fractures using the Polarus intramedullary nail, by reviewing our institutional experience and the relevant current literature.MethodsTwenty-seven patients were treated operatively for proximal humeral fracture using the Polarus nail. Fractures were classified according to Neer’s classification. A number of parameters including patient demographics, mechanism of injury, operative time, time to union and complications were recorded. Functional outcome was evaluated using the Constant Shoulder Score. A comparison among functional outcomes in patients >60 years in relation to the younger ones was performed. Moreover, a review of the literature was carried out to evaluate the overall union and complication rates.ResultsTwo patients lost to follow-up were excluded from the analysis. For the twenty-five patients (mean age: 61 years), the mean follow-up was 36 months. There were 7 complications (28%), including one fixation failure, four protruded screws, one superficial infection and one case of impingement. The union rate was 96% (mean time to union: 4.2 months). The mean Constant score was 74.5 (range: 48–89). Patients under the age of 60 had a better functional outcome compared to patients >60 years of age (p<0.05). From the literature review and from a total of 215 patients treated with a Polarus nail, the mean union rate was 95.8%, the overall reported complication rate, including both minor and major complications, ranged widely from 9.3% up to 70%.ConclusionsThe Polarus nail was found to be an effective implant for stabilisation of proximal humeral fractures. Functional outcome is for the vast majority of the cases excellent or good, but in elderly patients a lower Constant score can be expected.

IntroductionKlippel-Trenaunay-Weber syndrome is a rare congenital disorder of the peripheral vascular system that is characterized by haemangiomas, soft tissue and/or osseous hypertrophy, venous and lymphatic anomalies as well as arterio-venous malformations. To our knowledge there are no documented cases of surgical fracture management in such patients.Case presentationWe present the case of a 42-year-old female patient previously diagnosed with Klippel-Trenaunay-Weber syndrome, who had sustained a left femoral shaft fracture. She was treated with a closed, locked intramedullary nailing procedure. The nail was peripherally locked free-hand with a single screw due to the increased vascularity and intraoperative haemorrhage of the area. The patient was transfused with 7 units of blood intra-operatively and was subsequently transferred to the Intensive Care Unit where 3 more units of blood were transfused. Her post-operative course was uneventful. One year following the operation the fracture had united and the patient remained well.ConclusionThe surgical management of long bone fractures in patients with such pathology is associated with increased intra and post-operative risk, mainly due to vascular complications. It is therefore mandatory that high dependency facilities and sufficient quantities of blood products are available prior to the procedure. A less invasive fixation method should be used when possible.

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We describe a patient in whom an initially intact sciatic nerve became rapidly encased in heterotopic bone formed in the abductor compartment after reconstruction of the posterior wall of the acetabulum following fracture. Prompt excision and neural release followed by irradiation and administration of indometacin resulted in a full neurological recovery and no recurrence 27 months later.