Segmental excision of long-bone sarcomas can require complex reconstruction, often resulting in the use of prosthetic replacements at a young age. The use of vascularised free fibula grafting (VFFG) is well established as a reconstruction modality in sarcoma surgery. Aims. To analyse the experience of two European sarcoma centres and their use of vascularised free fibula grafting as a primary and revision procedure in limb salvage for diaphyseal long-bone defects in sarcoma surgery. Methods. A retrospective analysis was carried out of 70 consecutive patients undergoing VFFG between 1996 and 2009 under the Oxford Sarcoma Service (Nuffield Orthopaedic Centre) and the Dutch Orthopaedic Tumour Society (Leiden University Hospital). Clinical and radiological assessments were made and functional outcome scores collected. Results. 70 patients, 42 male, with a mean age of 20 years (3–61) received a VFFG (a primary procedure in 76%) and underwent mean follow up of 82 months (11–181). 83% of grafts were located in the lower extremity with 71% resulting from reconstruction of malignant tumours. VFFGs with a mean length of 17.4 cm (6–25) were used to reconstruct defects with a mean length of 13.5 cm (8–21). 92% of VFFGs achieved union at mean of 59 weeks (16–250). Predictors for non-union included defects greater than 12cm, malignant disease processes and an immature skeleton. 65% of patients had at least one complication with 51% requiring at least one revision procedure, although only 3 required removal of the graft (2 endoprosthetic replacements and 1 amputation). Mean MSTS score at final follow-up was 26.7 (20–30). Conclusion. The vascularised free fibula graft has been proven to provide a stable reconstruction of bony defects after tumor resection and results in a functional extremity, however it is accompanied by a high risk of complications and revision surgery

Introduction. The use of vascularised fibula grafts is an accepted method for reconstructing the distal femur following resection of malignant childhood tumours. Limitations relate to the mismatch of the cross-sectional area of the transplanted fibula graft and thel ocal bone, instability of the construct and union difficulties. We present midterm results of a unique staged technique—an immediate defect reconstruction using a double-barrel vascularised fibula graft set in in A-frame configuration and a subsequent intramedullary femoral lengthening. Materials & Methods. We retrospectively included 10 patients (mean age 10 y)with an osteosarcoma of the distal femur, who were treated ac-cording to the above-mentioned surgical technique. All patients were evaluated with regards to consolidation of the transplanted grafts, hypertrophy at the graft-host junctions, leg length discrepancies, lengthening indices, complications as well as functional outcome. Results. The mean defect size after tumour resection was 14.5 cm, the mean length of the harvested fibula graft 22 cm, resulting in a mean (acute) shortening of 4.7 cm (in 8 patients). Consolidation was achieved in all cases, 4 patients required supplementary bone grafting. Hypertrophy at the graft-host junctions was observed in78% of the evaluable junctions. In total 11 intramedullary lengthening procedures in 9 patients had been performed at the last follow up. The mean Muskuloskeletal Society Rating Scale(MSTS) score of the evaluable 9 patients was 85% (57% to 100%)with good or excellent results in 7 patients. Conclusions. A-frame vascularised fibula reconstructions showed encouraging results with respect to defect reconstruction, length as well as function and should therefore be considered a valuable option for reconstruction of the distal femur after osteosarcoma resection. The surgical implementation is demanding though, which is emphasized by the considerable high number of com-plications requiring surgical intervention, even though most were not serious

Introduction. The purpose of this study is to evaluate the radiological and clinical outcomes in Northern Ireland of free vascularised fibular bone grafting for the treatment of humeral bone loss secondary to osteomyelitis. Upper limb skeletal bone loss due to osteomyelitis is a devastating and challenging complication to manage for both surgeon and patient. Patients can be left with life altering disability and functional impairment. This limb threatening complication raises the question of salvage versus amputation and the associated risk and benefits of each. Free vascularised fibula grafting is a recognised treatment option for large skeletal defects in long bones but is not without significant risk. The benefit of vascularised over non-vascularised fibula grafts include preservation of blood supply lending itself to improved remodeling and osteointegration. Materials & Methods. Sixteen patients in Northern Ireland had free vascularised fibula grafting. Inclusion criteria included grafting to humeral defects secondary to osteomyelitis. Six patients were included in this study. Patients were contacted to complete DASH (Disabilities of the Arm, Shoulder and Hand) questionnaires as our primary outcome measure. Secondary outcome measures included radiological evaluation of osteointegration and associated operative complications. Complications were assessed via review of Electronic Care Record outpatient and in-patient documents

Introduction. The presence of pluripotent mesenchymal cells in the periosteum along with the growth factors produced or released following injury provides this tissue with an important role in bone healing. Utilising this property, vascularised periosteal flaps may increase the union rates in recalcitrant atrophic long bone non-union. The novel chimeric fibula-periosteal flap utilises the periosteum raised on an independent periosteal vessel, thus allowing the periosteum to be inset freely around the osteotomy site, improving bone biology. Materials & Methods. Ten patients, with established non-union, underwent fibula-periosteal chimeric flaps (2016–2022) at the Canniesburn Plastic Surgery Unit, UK. Preoperative CT angiography was performed to identify the periosteal branches. A case-control approach was used. Patients acted as their own controls, which obviated patient specific risks for non-union. One osteotomy site was covered by the chimeric periosteal flap and one without. In two patients both the osteotomies were covered using a long periosteal flap. Results. Union rate of 100% (11/11) was noted with periosteal flap osteotomies, versus those without flaps at 28.6% (2/7) (p = 0.0025). Time to union was also reduced in the periosteal flaps at 8.5 months versus 16.75 months in the control group (p = 0.023). Survival curves with a hazard ratio of 4.1, equating to a 4 times higher chance of union with periosteal flaps (log-rank p = 0.0016) was observed. Conclusions. The chimeric fibula-periosteal flap provides an option for atrophic recalcitrant non-unions where use of vascularised fibula graft alone may not provide an adequate biological environment for consolidation

Introduction. A significant burden of disease exists with respect to critical sized bone defects; outcomes are unpredictable and often poor. There is no absolute agreement on what constitutes a “critically-sized” bone defect however it is widely considered as one that would not heal spontaneously despite surgical stabilisation, thus requiring re-operation. The aetiology of such defects is varied. High-energy trauma with soft tissue loss and periosteal stripping, bone infection and tumour resection all require extensive debridement and the critical-sized defects generated require careful consideration and strategic management. Current management practice of these defects lacks consensus. Existing literature tells us that tibial defects 25mm or great have a poor natural history; however, there is no universally agreed management strategy and there remains a significant evidence gap. Drawing its origins from musculoskeletal oncology, the Capanna technique describes a hybrid mode of reconstruction. Mass allograft is combined with a vascularised fibula autograft, allowing the patient to benefit from the favourable characteristics of two popular reconstruction techniques. Allograft confers initial mechanical stability with autograft contributing osteogenic, inductive and conductive capacity to encourage union. Secondarily its inherent vascularity affords the construct the ability to withstand deleterious effects of stressors such as infection that may threaten union. The strengths of this hybrid construct we believe can be used within the context of critical-sized bone defects within tibial trauma to the same success as seen within tumour reconstruction. Methodology. Utilising the Capanna technique in trauma requires modification to the original procedure. In tumour surgery pre-operative cross-sectional imaging is a pre-requisite. This allows surgeons to assess margins, plan resections and order allograft to match the defect. In trauma this is not possible. We therefore propose a two-stage approach to address critical-sized tibial defects in open fractures. After initial debridement, external fixation and soft tissue management via a combined orthoplastics approach, CT imaging is performed to assess the defect geometry, with a polymethylmethacrylate (PMMA) spacer placed at index procedure to maintain soft tissue tension, alignment and deliver local antibiotics. Once comfortable that no further debridement is required and the risk of infection is appropriate then 3D printing technology can be used to mill custom jigs. Appropriate tibial allograft is ordered based on CT measurements. A pedicled fibula graft is raised through a lateral approach. The peroneal vessels are mobilised to the tibioperoneal trunk and passed medially into the bone void. The cadaveric bone is prepared using the custom jig on the back table and posterolateral troughs made to allow insertion of the fibula, permitting some hypertrophic expansion. A separate medial incision allows attachment of the custom jig to host tibia allowing for reciprocal cuts to match the allograft. The fibula is implanted into the allograft, ensuring nil tension on the pedicle and, after docking the graft, the hybrid construct is secured with multi-planar locking plates to provide rotational stability. The medial window allows plate placement safely away from the vascular pedicle. Results. We present a 50-year-old healthy male with a Gustilo & Anderson 3B proximal tibial fracture, open posteromedially with associated shear fragment, treated using the Capanna technique. Presenting following a fall climbing additional injuries included a closed ipsilateral calcaneal and medial malleolar fracture, both treated operatively. Our patient underwent reconstruction of his tibia with the above staged technique. Two debridements were carried out due to a 48-hour delay in presentation due to remote geographical location of recovery. Debridements were carried out in accordance with BOAST guidelines; a spanning knee external fixator applied and a small area of skin loss on the proximal medial calf reconstructed with a split thickness skin graft. A revision cement spacer was inserted into the metaphyseal defect measuring 84mm. At definitive surgery the external fixator was removed and graft fixation was extended to include the intra-articular fragments. No intra-operative complications were encountered during surgeries. The patient returned to theatre on day 13 with a medial sided haematoma. 20ml of haemoserous fluid was evacuated, a DAIR procedure performed and antibiotic-loaded bioceramics applied locally. Samples grew Staphylococcus aureus and antibiotic treatment was rationalised to Co-Trimoxazole 960mg BD and Rifampicin 450mg BD. The patient has completed a six-week course of Rifampicin and continues on suppressive Co-Trimoxazole monotherapy until planned metalwork removal. There is no evidence of ongoing active infection and radiological evidence of early union. The patient is independently walking four miles to the gym daily and we believe, thus far, despite accepted complications, we have demonstrated a relative early success. Conclusions. A variety of techniques exist for the management of critical-sized bone defects within the tibia. All of these come with a variety of drawbacks and limitations. Whilst acceptance of a limb length discrepancy is one option, intercalary defects of greater than 5 to 7cm typically require reconstruction. In patients in whom fine wire fixators and distraction osteogenesis are deemed inappropriate, or are unwilling to tolerate the frequent re-operations and potential donor site morbidity of the Masqualet technique, the Capanna technique offers a novel solution. Through using tibial allograft to address the size mismatch between vascularised fibula and tibia, the possible complication of fatigue fracture of an isolated fibula autograft is potentially avoidable in patients who have high functional demands. The Capanna technique has demonstrated satisfactory results within tumour reconstruction. Papers report that by combining the structural strength of allograft with the osteoconductive and osteoinductive properties of a vascularised autograft that limb salvage rates of greater than 80% and union rates of greater than 90% are achievable. If these results can indeed be replicated in the management of critical-sized bone defects in tibial trauma we potentially have a treatment strategy that can excel over the more widely practiced current techniques

Purpose. We retrospectively evaluated the outcome of fibula grafts in upper limb post infectious diaphyseal gap nonunions and assessed the following modifiers: age, site, vascularised/ nonvascularised, and length of the graft on time to union, graft incorporation, complication rate and reoperation rate. Methods. Thirty seven paediatric upper limb segmental defects treated over a period of 10 years were identified. Twenty two post septic defects in 21 children were treated with intramedullary fixation and vascularised/ nonvascularised fibula grafting. Union time was assessed from records and radiographs. Graft incorporation was assessed using Pixel value ratio (Hazra et al). Complications were defined as nonunion, delayed union, implant failure, refractures, graft loss and infection. Results. Twenty one children with 22 nonunions, 9 boys and 12 girls, mean age 6.5 years were followed up for a mean of 24 months. Defects (humerus-8, radius-8, ulna-6) ranged from 10 mm to 85 mm before surgery. Seven vascularised grafts(mean length = 69.9 mm) 3 in ulna and 4 in radius and 14 nonvascularised (48.8 mm) were 8 in humerus, 4 in radius, 3 in ulna. Primary union was 81% at a mean of 4.7 months. Mean pixel value for graft incorporation was 1.3 (SD = 0.2) on immediate postoperative radiograph and 1.08 (SD 0.16) at mean of 2 years. Complications included nonunion requiring surgery in 4, delayed union in 6, wire migration in 6, refractures in 4, infection reactivation in 2 with loss of graft in 1. Time to union was 5.5 (SD 2.9) months in nonvascularised and 3.1 (SD 0.6) in vascualrised group (P = 0.04). Complication rate was 1.2 and 0.2 in nonvascularised and vascularised grafts(p = 0.04). Bone, age and the graft length did not significantly affect union time, graft incorporation, complication and reoperation rate. The complication rate was significantly higher in children ≤8 year; however other outcomes were not significantly different. Conclusion. Vascularised grafts and children aged >8 year did significantly better in fibular grafting for post-septic upper limb diaphyseal nonunions

Management of symptomatic osteonecrosis of the hip includes either some type of head preservation procedure or a total hip arthroplasty (THA). In general, once there is collapse of the femoral head, femoral head preservation procedures have limited success. There are a number of different femoral head preservation procedures that are presently performed and there is no consensus regarding which one is most effective. These procedures involve a core decompression with some type of vascularised or nonvascularised grafting of the femoral head. Core decompression with bone grafting of the femoral head with stem cells harvested from the iliac crest and vascularised fibula grafts are the two most popular femoral head preservation procedures. Once the femoral head has collapsed then a THA should be performed when the patient has significant disability. In the past, total hip arthroplasty in osteonecrosis patients was not considered a highly successful procedure because it was performed in younger patients (most patients are younger than fifty years of age) and longevity was limited by wear and osteolysis. The advent of reliable cementless acetabular and femoral fixation and alternative bearing surfaces (i.e. highly crosslinked polyethylene liners) has been associated with improved outcomes and enhanced longevity. THA is considered the procedure of choice even for young patients (less than 30 years old) with collapse of the femoral head and significant pain and disability

To present the results achieved with the use of external fixation techniques in treating 52 cases of post-traumatic and post-surgical septic non-union in a low resources setting. From 2006 to 2014 52 patients were treated for post-traumatic septic non-union of the lower and upper limb bones. Clinical records and radiographs were reviewed; telephone interviews were done for patients unable to reach our institution. There were 39 males and 13 females, with an average age at the time of admission of 29 years (the youngest patient was 8 years old, the oldest 81). Tibia was involved in 43 cases (24 right side, 19 left side), femur in 9 (4 right, 5 left) and left humerus in 1. All the patients, except two, had been treated in other institutions before admission. At presentation, 19 patients had an external fixator in situ, 18 patients had infected osteosynthesis, 15 had exposed necrotic bone, with loss of soft tissues. In 20 cases hardware removal, debridement and sequestrectomy were followed by application of an external fixator. In 31 cases bone transport was done; the fixator was monolateral in 27 cases. In 1 case sequestrectomy and external fixation were followed by a vascularized fibula graft. Bifocal bone transport was utilized in one patient while the bone transport procedure was associated to limb lengthening in 10 patients. Plastic surgery was required in 13 patients. Rotational flaps, vascularized free flaps and extensive skin grafts were all used. The site of non union was cured in all the patients, in an average time of 11 months (from 4 to 32). Two patients required an amputation a few months after the end of the treatment. There was need for fixator adjustment and screws replacement in 21 patients. Non-union at the docking point was observed in 5 patients; it was septic in two of them. There was need of skin-plasty in 2 cases for skin invagination. In 3 cases an extensive skin ulcer was observed during the transport procedure. Limb length discrepancy was corrected in 10 patients. A residual limb shortening was observed in 14 patients. Ankle fusion, knee fusion, foot drop, sensory loss in the foot, reduced range of joint motion were also observed. The external fixator plays a pivotal role in the treatment of septic non unions, especially in low resources setting. The treatment is long and costly. Strict medical supervision is necessary during the entire process

We present our experience of treating 57 cases of bone defects associated with chronic osteomyelitis (COM) and an algorithm for their treatment. A retrospective analysis of our operation database revealed 377 patients treated for COM (2002–2010). 76 (20%) had bone defects, of these 57 had notes and x-rays available. The tibia was most commonly affected (63%), followed by the femur (21%). Infection control procedures included debridement, drilling and sequestrectomy. Long-term antibiotics were seldom used. Prerequisites to reconstruction surgery were; fully healed skin, absence of sequestrae on x-ray and no antibiotics for 2-months. Decision on the method of treatment of defect was made depending on; age, defect size, viability of periosteum and physes, condition of soft tissues and coexisting deformity. Initial treatment was; plaster stabilisation (15), frame stabilisation (6), free fibula structural bone grafts (9), ipsilateral vascularised fibula graft (7), non-structural cancellous bone graft (8), bone transport (8) and amputation (4). Forty three (75%) patients were successfully treated with initial strategy. Initial treatment therefore failed in 14 (25%) patients. Successful treatment subsequently used was; structural bone grafting (6), non-structural bone grafting (4), bone transport (3) and Rush Rod stabilisation (1). Little is known about osteomyelitis-induced bone defects, which cause massive morbidity in developing countries. Our novel research shows that these can be treated successfully, often by relatively simple methods. In the absence of ongoing infection, non-vascularised bone grafting techniques are often successful. Bone transport or vascularised grafting are more reliable but more complex solutions

We present our experience of treating 57 cases of bone defects associated with chronic osteomyelitis (COM) and a new algorithm for their treatment. A retrospective analysis of our operation database revealed 377 patients treated for COM (2002–2010). 76 (20%) had bone defects, of these 57 had notes and x-rays available. Data was collected on: age, sex, type/extent of bone involved, number/type of procedures, and length of stay. The tibia was most commonly affected (63%), followed by the femur (21%). Infection control procedures included debridement, drilling and sequestrectomy. Long-term antibiotics were seldom used. Prerequisites to reconstruction surgery were; fully healed skin, absence of sequestrae on x-ray and no antibiotics for 2-months. Decision on the method of treatment of defect was made depending on; age, defect size, viability of periosteum and physes, condition of soft tissues and coexisting deformity. Initial treatment was; plaster stabilisation (15), frame stabilisation (6), free fibula structural bone grafts (9), ipsilateral vascularised fibula graft (7), non-structural cancellous bone graft (8), bone transport (8) and amputation (4). 43 (75%) patients were successfully treated with initial strategy. Initial treatment therefore failed in 14 (25%) patients. Successful treatment subsequently used was; structural bone grafting (6), non-structural bone grafting (4), bone transport (3) and Rush Rod stabilisation (1). Little is known about osteomyelitis-induced bone defects, which cause massive morbidity in developing countries. Our novel research shows that these can be treated successfully, often by relatively simple methods. In the absence of ongoing infection, non-vascularised bone grafting techniques are often successful. Bone transport or vascularised grafting are more reliable but more complex solutions

Introduction:. The anterior column of the spine is often destroyed by trauma or disease. It is reconstructed by using autograft, allograft, or synthetic cages. The fibula strut graft provides good strength, incorporates quickly and has less risk of disease transmission, which is a big advantage in communities with high incidence of HIV. Various authors cite that its major drawback is the size of its foot print. We could not find any literature that measures its size. We undertook a study to measure the size of the footprint of the fibular in relation to the surface area of the endplate. The clinical relevance is that it may guide the surgeon in deciding how many struts of fibular are required in reconstructing the anterior column, and also quantifies the statement that the fibular strut has a small footprint. Material and Method:. CT angiograms are done frequently for peripheral vascular diseases. These angiograms also show CT scans of the lumbar and thoracic vertebrae, and fibulae of the same patient. We retrospectively examined the first 35 scans done during the year 2012 at Steve Biko Academic Hospital. From the CT we measured the surface area of the endplate of the vertebral bodies T6, 8, 12, L2, and the surface area of the cut surface of the proximal, middle and distal thirds of the fibular, all in square millimetres. We then compared the areas of the vertebral measurements to the area of the fibular measurements. Results:. The middle third of the fibular had the biggest cross sectional surface area. This fact, together with anatomical features of the fibula, explains why the middle part of the fibular is the preferred graft donor site. The ratio of the fibular surface area to that of the vertebral endplate is 1:3–6. It is difficult to advise in a biological system how many struts are required, as compared to a mechanical system. However these ratios suggest that more than one fibular strut graft is required to reconstruct the anterior column. Conclusion:. This is the first time to our knowledge that the surface area of the fibular graft is quantified against the vertebral end plate surface area. The study shows that at least 2 fibula struts are required to reconstruct the thoracic and lumbar anterior columns