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Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_8 | Pages 13 - 13
1 Feb 2013
Walker N Eardley W Bonner T Clasper J
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In a recent publication, 4.6% of 6450 Coalition deaths over ten years were reported to be due to junctional bleeding. The authors suggested that some of these deaths could have been avoided with a junctional hemorrhage control device. Prospectively collected data on all injuries sustained in Afghanistan by UK military personnel over a 2 year period were reviewed. All fatalities with significant pelvic injuries were identified and analysed, and the cause of death established. Significant upper thigh, groin or pelvic injuries were recorded in 124 casualties, of which 92 died. Pelvic injury was the cause of death in 42; only 1 casualty was identified where death was at least in part due to a vascular injury below the inguinal ligament, not controlled by a tourniquet, representing <1% of all deaths. Twenty one deaths were due to vascular injury between the aortic bifurcation and the inguinal ligament, of which 4 survived to a medical facility. Some potentially survivable deaths due to exsanguination may be amenable to more proximal vascular control. We cannot substantiate previous conclusions that this can be achieved through use of a groin junctional tourniquet. There may be a role for more proximal vascular control of pelvic bleeding


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XV | Pages 17 - 17
1 Apr 2012
Dunn R Crick A Fox M Birch R
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Introduction. We present a series of patients who have had secondary reconstruction of war injuries to the upper and lower limbs, sustained during the Iraq and Afghanistan conflicts. Material and Methods. All patients were seen at the combined Peripheral Nerve Injuries Clinic at the Defence Medical Centre for Rehabilitation, Headley Court. All surgery was performed at Odstock Hospital. Procedures include scar excision and neurolysis (all patients), release of scar contractures, tenolysis, tendon transfers, revision nerve grafts, excision of neuroma, and soft tissue reconstruction using pedicled or free flaps. Results. 24 patients have been treated at the time of submission. We have using 13 free flaps (1 free groin flap, 9 anterolateral thigh, 3 parascapular, with 4 as through-flow flaps) and 1 pedicled groin flap, with no flap losses. There were 6 amputation stump revisions (1 above elbow, 5 below knee). The majority (n=23) have had nerve recovery distal to the level of injury following revision surgery. Conclusions. Nerve repairs recover following neurolysis (and revision nerve graft if necessary) with provision of good soft tissue cover. Release of scar contractures with flap cover allows healing of chronic wounds and permits mobilisation of joints. Thin fasciocutaneous flaps provide good contour and can be elevated more easily than skin grafted muscle flaps for secondary surgery. Free or regional flaps are preferable to local flaps in high energy-transfer military wounds. Immediate complex reconstruction is not always appropriate in multiply-injured patients


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_13 | Pages 2 - 2
1 Jun 2017
Iliopoulos E Agarwal S Khaleel A
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Introduction. Patient Reported Outcome Measures (PROMs) are used as outcome of many surgical treatments such as Hip and knee joint replacements, varicose vein and groin hernia surgery. Outcome scores in orthopaedics tend to be site and/or pathology specific. Trauma related pathology uses a surrogate outcome scores. A unified outcome score for trauma is needed to help with the measurement of outcomes in trauma patients and evaluate the actual impact that trauma inflicts to patients' lives. Materials & Methods. We have designed a PROM especially for Trauma patients, in order to measure the extent of recovery to pre-injury state. This score uses as baseline the pre-injury status of the patient and has the aim to determine the percentage of rehabilitation after any form of treatment. This PROM is not site specific and can be used for every Trauma condition. It uses simple wording, user friendly and accessed via phone conversation. The outcome score consists of eleven questions. The first ten questions use the 5-point Likert scale and the final question a scale from zero to ten. The questions are divided into three subgroups (Symptoms, Function and Mental status). The final question assesses the extent of return to pre-injury status. The SF-12v2 questionnaire was used for the validation of the COST questionnaire. We gathered COST and SF-12v2 questionnaires from patients who were at the end of their follow-up after treatment for various trauma conditions, treated either conservatively either operatively. Results. A total of 50 COST questionnaires were gathered in out outpatients department. The participants were 33 male and 17 female patients (aged 44.2 ±18.9 years) and the questionnaires collected at mean 9.7 months post-injury. A Cronbach's Alpha value of 0.89 was identified for the whole construct. The three dimensions of the scale had good internal consistency as well (Cronbach's Alpha test values 0.73, 0.85 and 0.81 for symptoms, function and mental status respectively). Strong/moderate correlation (Spearman's Rho test 0.45–0.65) was observed between the respective physical/mental dimensions of the COST and SF-12v2 questionnaires. Conclusion. There is a need for a specific PROM for Trauma pathology which is not site specific and easy to use and understand. COST is a useful tool to Trauma surgeons to measure the outcomes of their patients and has high internal consistency


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_13 | Pages 10 - 10
1 Jun 2017
Noblet T Jackson P Foster P Taylor D Harwood P Wiper J
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Introduction. Large numbers of patients with open tibial fractures are treated in our major trauma centre. Previously, immediate definitive skeletal stabilisation and soft tissue coverage has been recommended in the management of such injuries. We describe our recent practice, focusing on soft tissue cover, including patients treated by early soft tissue cover and delayed definitive skeletal stabilisation. Methods. Between September 2012 and January 2016, more than 120 patients with open tibial fractures were admitted to our unit. Patients were identified through prospective databases. Data collected included patient demographics, injury details, orthopaedic and plastic surgery procedures. Major complications were recorded. Paediatric cases were excluded and one patient was lost to follow up. Results. Fifty-seven patients (median age 41 years (range 16–95)) were identified with open tibial fractures classified grade IIIB or IIIC requiring soft tissue coverage. Of these 57 patients, 39 were treated by initial temporary external fixation, soft tissue cover, and circular frame and 18 by initial temporary external fixation, soft tissue cover and internal fixation (ORIF). Of the 57 patients, 51 were acutely managed by Leeds MTC, and 6 were tertiary referrals primarily managed elsewhere. Soft tissue cover constituted free tissue transfer in 43 patients (19 gracilis, 15 ALT, 6 LD, 2 radial forearm and 1 groin flap), pedicled flap in 12 patients (6 gastroc, 4 fasciocutaneous, 1 soleus, 1 EDB), and skin graft in 2 patients. Complications included flap failure (n=3), return to theatre (n=1). Long term soft tissue cover was definitely achieved in 100% of cases. Chronic deep infection was reported in 1 acutely managed case. There were no cases of soft tissue failure after delayed circular frame fixation following soft tissue reconstruction. Conclusions. Evolution of orthopaedic techniques has meant that the management of these complex fractures using delayed definitive fixation with a circular frame is increasingly commonplace. This case series demonstrates that a joint orthoplastic approach, with circular frame application undertaken a short time after soft tissue reconstruction (including free flap surgery) is safe and can be undertaken without risk to the soft tissue coverage


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_16 | Pages 64 - 64
1 Apr 2013
Yamano Y Sakanaka H Gotani H Teraura H Komatsu T
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We have done emergency vascularized composite graft by microsurgical technique for severe open fractures. It is essential for open injury to cover bones, joints, tendons etc. Vascularized composite graft for open fracture with tissue defect covers bone etc., prevents infection and promotes subsequent early functional recovery. Eighteen patients aged 3–55year old with an average age of 23.1y.o. were treated with this methos. Traffic injuries of leg and foot in children were the most common and others were open severe fracture with tissue defects. The composite graft employed were peroneal osteocutaneous flap, latissimus dolsi flap, parascapular flap and groin flap. The advantage of these flaps to cover the damaged structure primrily facilitatrs rapid tissue repair without infection and scar formation. In fact, except one reoperation due to a skin necrosis in parascapular flap, all grafted flaps successfully repaired the severe damaged bone and joint. Sufficient perfusion of antibiotics by these vascularized flap prevents infection in all cases. Primary emergency vascularized composite graft for severe open fracture with tissue defect is shown to be extremely useful method with rapid repair and functionnal recovery


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 459 - 459
1 Sep 2012
Aydogdu S Yagci T Sezak M Sur H
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We aimed to investigate the effect of Seprafilm®, a synthetic biomembran, on the intra-articular adhesion formation in an experimental arthrofibrosis model. Twenty male white rabbits were randomly allocated into two groups of 10 animals in each. A standard surgical procedure aiming at the development of arthrofibrosis and including medial parapatellar arthrotomy, lateral eversion of the patella, partial synovectomy and debridement of anterior of supracondylar area and patella joint surface by scalpel was performed on all rabbits' right knees. Group 1 rabbits served as controls, and in Group 2 rabbits a Seprafilm®, barrier placed into the described area. In both groups, after surgery, knee joint was immobilized by a no.5 wire suture passing from the ankle and groin and keeping the joint in 140° of flexion. At 6th week, all animals were sacrificed and adhesion formation was evaluated both macroscopically and histo-pathologically. All data were semi-quantified and analyzed statistically by Fisher's exact test. While all rabbits in control group displayed different rates of adhesion macroscopically (62.5% severe, 25% moderate, 12.5% mild), none in the study group had it. The average macroscopic adhesion score was 2.5 ± 0.75 in control group, and 0 in Seprafilm® group. Histopathologic evaluation also revealed microscopic adhesion in all rabbits in control group, but none in Seprafilm® group. Fibroblast proliferation in Seprafilm® group (100% mild) was significantly lower than in control group (62.5% severe, 37.5% moderate) (p<0.05). In conclusion, use of Seprafilm® as a mechanical barrier may be of value against the formation of arthrofibrosis in risky knees such as septic and traumatic ones


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 475 - 475
1 Sep 2012
Choudhry M Boden R Akhtar S Fehily M
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Background. Femoroacetabular impingement (FAI) may be a predisposing factor in progression of osteoarthritis. The use of hip arthroscopy is in its infancy with very few studies currently reported. Early reports show favourable results for treatment of young patients with FAI. This prospective study over a larger age spectrum represents a significant addition to this expanding field of minimally invasive surgery. Methods. Over a twenty-two month period all patients undergoing interventional hip arthroscopy were recorded on a prospective database. Patient demographics, diagnosis, operative intervention and complications were noted. Patients were scored pre-operatively and postoperatively at 6 months and 1 year using the McCarthy score. Results. 94 patients met the criteria for inclusion in this study. Median age was 39 (15–66) years with 57.4% female, 16 patients were over the age of 50 years. At operation, 50 patients had a labral tear, 70 had cam impingement and 62 had chondral damage, with 21 of these deemed severe (grade 3 or 4). For all patients a mean increase in the McCarthy score of 14.6 (p=<0.0001) was seen at 6 months and 19.1 (p=0.0002) at 1 year postoperatively. For those over 50 years, at 6 months an increase of 11.9 (p=0.08) was seen, improving to 33.8 (p=<0.0001) at 1 year. Eight patients underwent THR, of these, 2 were over 50 years of age. All of this group of patients had chondral damage (50% judged as severe at arthroscopy). At 6 months postoperatively these patients had severe pain and their mean score worsened by −16.3 (p=0.2). Few complications were seen, 7 patients had tight access (5 males), 3 of which received chondral scuffing and 1 had the procedure abandoned, 1 patient had groin labral bruising and 2 patients had transient parasthesia. Conclusions. Patients see a gradual and significant improvement post hip arthroscopy, with symptoms continuing to improve until 1 year. This is a well-tolerated procedure with a low complication rate and the opportunity for treatment of a range of hip pathology. Patients over the age of 50 gain a significant improvement from this procedure. Two groups of patients who gain no improvement are those with inflammatory arthropathy and those with dysplastic acetabulae


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 363 - 363
1 Sep 2012
Lübbeke A Garavaglia G Roussos C Barea C Peter R Hoffmeyer P
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Introduction. A recent review of the literature on metal-on-metal total hip arthroplasties (THA) revealed the lack of comparative clinical studies with a sufficient sample size and the inclusion of patient-reported outcomes as well as patient activity levels. Methods. We conducted a prospective cohort study including all metal-on-metal and conventional polyethylene (PE)-ceramic THAs with an uncemented cup (Morscher press-fit cup), a 28mm head and operated upon via a lateral approach at our University hospital between 1/1999 and 12/2008. Only THAs for primary osteoarthritis were included. The study population is part of the Geneva Hip Arthroplasty Registry, a prospective cohort followed since 1996. The following outcomes were compared between the two groups (metal-on-metal=group 1 vs. PE-ceramic bearing=group 2): (1) Complication rates with respect to infection, dislocation and revision, (2) Radiographic outcomes (presence of linear or focal femoral osteolysis, loosening), and (3) Clinical outcomes (Harris Hip score increase, SF-12, activity and patient satisfaction evaluation, presence of groin pain). Patients operated between 1/1999 and 12/2004 were evaluated five years postoperatively by an independent assessor. Cox regression analysis was used to compare incidence rates while adjusting for differences in baseline characteristics. Results. 1988 THAs were included, 544 with a metal-on-metal and 1444 with a PE-ceramic bearing. The two groups differed significantly with respect to gender distribution (men 56% vs. 41%), mean age (66 vs. 73 years), co-morbidities and type of stem (uncemented 16% vs. 2%). Crude incidence rates for complications were: 0.16 vs. 0.11 cases/100 person-years for infection; 0.37 vs. 0.35 cases/100 person-years for dislocation; and 0.29 vs. 0.16 cases/100 person-years for all-cause revision (incidence rate ratio 1.8, 95% CI 0.7; 4.6). After adjusting for baseline differences the slightly higher risks for infection and revision in group 1 were attenuated. Osteolytic lesions were found in 3.7% of metal-on-metal vs. 4.7% of PE-ceramic THAs. After adjustment for age, gender and activity the OR was 0.6 (95% CI 0.2;2.1). Five years postoperative, 176 THAs of group 1 and 695 THAs of group 2 were seen at follow-up. Clinical outcomes were similar among the two groups with a mean Harris Hip score increase of 39.2 vs. 40.9 points. SF-12 mental and physical health, patient satisfaction (9.3 vs. 8.9 on visual analogue scale) as well as the incidence of groin pain (1.7% vs. 1.2%) was also similar among the two groups. The activity level was significantly higher in group 1 (6.4 vs. 5.4, p<0.001). Conclusion. Mid-term results with respect to complications, revision rates, presence of osteolysis and clinical outcomes were similar among patients with metal-on-metal and PE-ceramic total hip arthroplasties


The Bone & Joint Journal
Vol. 101-B, Issue 11 | Pages 1392 - 1401
1 Nov 2019
Petrou S Parker B Masters J Achten J Bruce J Lamb SE Parsons N Costa ML

Aims

The aim of this study was to estimate the cost-effectiveness of negative-pressure wound therapy (NPWT) in comparison with standard wound management after initial surgical wound debridement in adults with severe open fractures of the lower limb.

Patients and Methods

An economic evaluation was conducted from the perspective of the United Kingdom NHS and Personal Social Services, based on evidence from the 460 participants in the Wound Management of Open Lower Limb Fractures (WOLLF) trial. Economic outcomes were collected prospectively over the 12-month follow-up period using trial case report forms and participant-completed questionnaires. Bivariate regression of costs (given in £, 2014 to 2015 prices) and quality-adjusted life-years (QALYs), with multiple imputation of missing data, was conducted to estimate the incremental cost per QALY gained associated with NPWT dressings. Sensitivity and subgroup analyses were undertaken to assess the impacts of uncertainty and heterogeneity, respectively, surrounding aspects of the economic evaluation.


The Bone & Joint Journal
Vol. 98-B, Issue 5 | Pages 696 - 702
1 May 2016
Theologis AA Burch S Pekmezci M

Aims

We compared the accuracy, operating time and radiation exposure of the introduction of iliosacral screws using O-arm/Stealth Navigation and standard fluoroscopy.

Materials and Methods

Iliosacral screws were introduced percutaneously into the first sacral body (S1) of ten human cadavers, four men and six women. The mean age was 77 years (58 to 85). Screws were introduced using a standard technique into the left side of S1 using C-Arm fluoroscopy and then into the right side using O-Arm/Stealth Navigation. The radiation was measured on the surgeon by dosimeters placed under a lead thyroid shield and apron, on a finger, a hat and on the cadavers.


Bone & Joint Research
Vol. 6, Issue 3 | Pages 144 - 153
1 Mar 2017
Kharwadkar N Mayne B Lawrence JE Khanduja V

Objectives

Bisphosphonates are widely used as first-line treatment for primary and secondary prevention of fragility fractures. Whilst they have proved effective in this role, there is growing concern over their long-term use, with much evidence linking bisphosphonate-related suppression of bone remodelling to an increased risk of atypical subtrochanteric fractures of the femur (AFFs). The objective of this article is to review this evidence, while presenting the current available strategies for the management of AFFs.

Methods

We present an evaluation of current literature relating to the pathogenesis and treatment of AFFs in the context of bisphosphonate use.


The Journal of Bone & Joint Surgery British Volume
Vol. 87-B, Issue 10 | Pages 1385 - 1390
1 Oct 2005
Niva MH Kiuru MJ Haataja R Pihlajamäki HK

The purpose of this study was to describe the anatomical distribution and incidence of fatigue injuries of the femur in physically-active young adults, based upon MRI studies. During a period of 70 months, 1857 patients with exercise-induced pain in the femur underwent MRI of the pelvis, hips, femora, and/or knees.

Of these, 170 patients had a total of 185 fatigue injuries, giving an incidence of 199 per 100 000 person-years. Bilateral injuries occurred in 9% of patients. The three most common sites affected were the femoral neck (50%), the condylar area (24%) and the proximal shaft (18%). A fatigue reaction was seen in 57%, and a fracture line in 22%. There was a statistical correlation between the severity of the fatigue injury and the duration of pain (p = 0.001). The location of the pain was normally at the site of the fatigue injury. Fatigue injuries of the femur appear to be relatively common in physically-active patients.


The Journal of Bone & Joint Surgery British Volume
Vol. 91-B, Issue 2 | Pages 225 - 228
1 Feb 2009
Shukla S Nixon M Acharya M Korim MT Pandey R

We examined the incidence of infection with methicillin-resistant Staphylococcus aureus (MRSA) in patients admitted to the Leicester Royal Infirmary Trauma Unit between January 2004 and June 2006. The influence of MRSA status at the time of their admission was examined, together with age, gender and diagnosis, using multi-variant analysis. Of 2473 patients, 79 (3.2%) were MRSA carriers at the time of admission and 2394 (96.8%) were MRSA-negative. Those carrying MRSA at the time of admission were more likely to develop surgical site infection with MRSA (7 of 79 patients, 8.8%) than non-MRSA carriers (54 of 2394 patients, 2.2%, p < 0.001). Further analysis showed that hip fracture and increasing age were also risk factors with a linear increase in relative risk of 1.8% per year.

MRSA carriage at admission, age and the pathology are all associated with an increased rate of developing MRSA wound infection. Identification of such risk factors at admission helps to target health-care resources, such the use of glycopeptide antibiotics at induction and the ‘building-in’ of increased vigilance for wound infection pre-operatively.


The Journal of Bone & Joint Surgery British Volume
Vol. 94-B, Issue 7 | Pages 969 - 973
1 Jul 2012
Iwata T Nozawa S Dohjima T Yamamoto T Ishimaru D Tsugita M Maeda M Shimizu K

A delay in establishing the diagnosis of an occult fracture of the hip that remains unrecognised after plain radiography can result in more complex treatment such as an arthroplasty being required. This might be avoided by earlier diagnosis using MRI. The aim of this study was to investigate the best MR imaging sequence for diagnosing such fractures. From a consecutive cohort of 771 patients admitted between 2003 and 2011 with a clinically suspected fracture of the hip, we retrospectively reviewed the MRI scans of the 35 patients who had no evidence of a fracture on their plain radiographs. In eight of these patients MR scanning excluded a fracture but the remaining 27 patients had an abnormal scan: one with a fracture of the pubic ramus, and in the other 26 a T1-weighted coronal MRI showed a hip fracture with 100% sensitivity. T2-weighted imaging was undertaken in 25 patients, in whom the diagnosis could not be established with this scanning sequence alone, giving a sensitivity of 84.0% for T2-weighted imaging.

If there is a clinical suspicion of a hip fracture with normal radiographs, T1-weighted coronal MRI is the best sequence of images for identifying a fracture.


The Journal of Bone & Joint Surgery British Volume
Vol. 94-B, Issue 4 | Pages 446 - 453
1 Apr 2012
Moran CG Forward DP

There have been many advances in the resuscitation and early management of patients with severe injuries during the last decade. These have come about as a result of the reorganisation of civilian trauma services in countries such as Germany, Australia and the United States, where the development of trauma systems has allowed a concentration of expertise and research. The continuing conflicts in the Middle East have also generated a significant increase in expertise in the management of severe injuries, and soldiers now survive injuries that would have been fatal in previous wars. This military experience is being translated into civilian practice.

The aim of this paper is to give orthopaedic surgeons a practical, evidence-based guide to the current management of patients with severe, multiple injuries. It must be emphasised that this depends upon the expertise, experience and facilities available within the local health-care system, and that the proposed guidelines will inevitably have to be adapted to suit the local resources.


The Journal of Bone & Joint Surgery British Volume
Vol. 91-B, Issue 9 | Pages 1208 - 1212
1 Sep 2009
Laflamme GY Delisle J Rouleau D Uzel A Leduc S

A total of 30 patients with lateral compression fractures of the pelvis with intra-articular extension into the anterior column were followed for a mean of 4.2 years (2 to 6), using the validated functional outcome tools of the musculoskeletal function assessment and the short-form health survey (SF-36). The functional outcome was compared with that of a series of patients who had sustained type-B1 and type-C pelvic fractures. The lateral-compression group included 20 men and ten women with a mean age of 42.7 years (13 to 84) at the time of injury.

Functional deficits were noted for the mental component summary score (p = 0.008) and in the social function domain (p < 0.05) of the SF-36. There was no evidence of degenerative arthritis in the lateral-compression group. However, they had high functional morbidity including greater emotional and psychological distress.


The Journal of Bone & Joint Surgery British Volume
Vol. 92-B, Issue 5 | Pages 679 - 686
1 May 2010
Das De S Setiobudi T Shen L Das De S

There have been recent reports linking alendronate and a specific pattern of subtrochanteric insufficiency fracture. We performed a retrospective review of all subtrochanteric fractures admitted to our institution between 2001 and 2007. There were 20 patients who met the inclusion criteria, 12 of whom were on long-term alendronate. Alendronate-associated fractures tend to be bilateral (Fisher’s exact test, p = 0.018), have unique radiological features (p < 0.0005), be associated radiologically with a pre-existing ellipsoid thickening of the lateral femoral cortex and are likely to be preceded by prodromal pain. Biomechanical investigations did not suggest overt metabolic bone disease. Only one patient on alendronate had osteoporosis prior to the start of therapy. We used these findings to develop a management protocol to optimise fracture healing. We also advocate careful surveillance in individuals at-risk, and present our experience with screening and prophylactic fixation in selected patients.


The Journal of Bone & Joint Surgery British Volume
Vol. 89-B, Issue 3 | Pages 349 - 353
1 Mar 2007
Goh S Yang KY Koh JSB Wong MK Chua SY Chua DTC Howe TS

We carried out a retrospective review over ten months of patients who had presented with a low-energy subtrochanteric fracture. We identified 13 women of whom nine were on long-term alendronate therapy and four were not. The patients treated with alendronate were younger, with a mean age of 66.9 years (55 to 82) vs 80.3 years (64 to 92) and were more socially active. The fractures sustained by the patients in the alendronate group were mainly at the femoral metaphyseal-diaphyseal junction and many had occurred after minimal trauma. Five of these patients had prodromal pain in the affected hip in the months preceding the fall, and three demonstrated a stress reaction in the cortex in the contralateral femur.

Our study suggests that prolonged suppression of bone remodelling with alendronate may be associated with a new form of insufficiency fracture of the femur. We believe that this finding is important and indicates the need for caution in the long-term use of alendronate in the treatment of osteoporosis.


The Journal of Bone & Joint Surgery British Volume
Vol. 87-B, Issue 7 | Pages 965 - 968
1 Jul 2005
Stannard JP Singhania AK Lopez-Ben RR Anderson ER Farris RC Volgas DA McGwin GR Alonso JE

We report the incidence and location of deep-vein thrombosis in 312 patients who had sustained high-energy, skeletal trauma. They were investigated using magnetic resonance venography and Duplex ultrasound.

Despite thromboprophylaxis, 36 (11.5%) developed venous thromboembolic disease with an incidence of 10% in those with non-pelvic trauma and 12.2% in the group with pelvic trauma. Of patients who developed deep-vein thrombosis, 13 of 27 in the pelvic group (48%) and only one of nine in the non-pelvic group (11%) had a definite pelvic deep-vein thrombosis. When compared with magnetic resonance venography, ultrasound had a false-negative rate of 77% in diagnosing pelvic deep-vein thrombosis. Its value in the pelvis was limited, although it was more accurate than magnetic resonance venography in diagnosing clots in the lower limbs. Additional screening may be needed to detect pelvic deep-vein thrombosis in patients with pelvic or acetabular fractures.