header advert
Results 251 - 300 of 711
Results per page:
Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_19 | Pages 11 - 11
1 Nov 2016
Clarke L Bali N Czipri M Talbot N Sharpe I Hughes A
Full Access

Introduction

Active patients may benefit from surgical repair of the achilles tendon with the aim of preserving functional length and optimising push-off power. A mini-open device assisted technique has the potential to reduce wound complications, but risks nerve injury. We present the largest published series of midsubstance achilles tendon repairs using the Achillon® device.

Methods

A prospective cohort study was run at the Princess Royal Devon & Exeter Hospital between 2008 and 2015. We included all patients who presented with a midsubstance Achilles tendon rupture within 2 weeks of injury, and device assisted mini-open repair was offered to a young active adult population. All patients in the conservative and surgical treatment pathway had the same functional rehabilitation protocol with a plaster for 2 weeks, and a VACOped boot in reducing equinus for a further 8 weeks.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_19 | Pages 16 - 16
1 Nov 2016
Roberts V Mason L Harrison E Molloy A Mangwani J
Full Access

Introduction

We performed a longitudinal outcome study involving the operative management of ankle fractures at two university teaching hospitals. This was a retrospective review of the quality of reduction and a prospective study into the functional outcome.

Methods

All patients undergoing open reduction internal fixation of the ankle between November 2006 and November 2007 at one centre, and January to December 2009 at the other were included. Adequacy of reduction was assessed on the initial post-operative radiographs using Pettrone's criterion. The post-operative functional outcome was recorded using the Lower Extremity Functional Scale (LEFS), completed by postal or telephone follow-up at 64 months post injury (60–74 months).


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_19 | Pages 17 - 17
1 Nov 2016
Bali N Ramasamy A Mitchell S Fenton P
Full Access

Introduction

Fixation of posterior malleolar fragments associated with ankle fractures aims to stabilise the syndesmosis and prevent posterior subluxation. Haraguchi described 3 types of posterior malleolar fractures, with type 2 being a medial extension injury, these fractures often involve medial and posterior fragments. We describe the techniques and outcomes for a double window posteromedial approach allowing optimal reduction and stabilisation.

Methods

A retrospective review was performed at 2 units, Bristol Royal Infirmary and QE Hospitals Birmingham, between August 2014 and April 2016. Inclusion criteria were all patients having this posteromedial approach for closed ankle fracture fixation. Patients were assessed for complications and postoperative ankle function with the Olerud and Molander scoring system.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_19 | Pages 18 - 18
1 Nov 2016
Myerson M Tracey T Kaplan J Li S
Full Access

Background

There have been multiple techniques described to determine hindfoot alignment radiographically. The 2-dimensional nature of radiographs fails to take into account the contribution of the remainder of the foot to overall alignment. A new radiographic technique has been published in which the hindfoot alignment is calculated using the Ground Reaction Force Calcanea Offset. This technique accounts for the individual forefoot contribution to alignment, but is still limited by it´s 2-dimensional nature. The purpose of this study was to compare the hindfoot moment arm (HMA) described by Saltzman and the hindfoot alignment angle (HAA) described by Williamson, with a technique determining the ground reaction force calcaneal offset (GRF-CT) using 3-dimensional weight bearing CT Scans.

Methods

The HMA, HAA, and GRF-CT 3-D weight bearing CT scans were measured by three different investigators. Each of these measurements were calculated twice on separate occasions by each investigator to determine the intra- and inter-observer reliability.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_19 | Pages 23 - 23
1 Nov 2016
Johnson-Lynn S Cooney A Ferguson D Bunn D Gray W Coorsh J Kakwani R Townshend D
Full Access

Platelet rich plasma has been advocated for the treatment of plantar fasciitis but there are few good quality clinical trials to support its use. We report a pilot double blind randomised controlled trial of platelet rich plasma versus normal saline.

Methods

Patients with more than 6 months of MRI proven plantar fasciitis who had failed conservative management were invited to participate in this study. Patients were block randomised to either platelet rich plasma injection (intervention) or equivalent volume of normal saline (control). The techniques used for the injection and rehabilitation were standardised for both groups. The patient and independent assessor were blinded. Visual analogue scale for pain (VAS) and painDETECT were recorded pre-op and at 6 months.

Results

Twenty-eight patients (19 females, mean age 50 years) were recruited, with 14 randomised to each arm. At 6 month follow-up, 8 patients (28.6%) were lost to follow-up. There was a significant change in VAS score from baseline to follow-up in both intervention (mean change 37.2, p = 0.008) and control (mean change 42.2, p = 0.003) groups. However there was no difference between the arms in terms of the change in VAS score from baseline to follow-up (p = 0.183). There was no correlation between pre-op PainDETECT score and change in VAS.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_19 | Pages 6 - 6
1 Nov 2016
Mohammad H Tabain T Pillai A
Full Access

Aim

We describe a case series using adjuvant calcium sulphate bio composites with antibiotics in treating infected metalwork in the foot and ankle.

Method

11 patients aged 22–81 (9 males, 2 females) were treated with clinical evidence of infected limb metal work from previous orthopaedic surgery. Metal work removal with intra osseous application of either cerement in 8 cases (10–20ml including 175mg–350mg gentamycin) or stimulan in 3 cases (5–12ml including 1g vancomycin) into the site was performed. Supplemental systemic antibiotic therapy (oral/intravenous) was instituted based on intraoperative tissue culture and sensitivity.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_19 | Pages 9 - 9
1 Nov 2016
Lawrence J Nasr P Fountain D Berman L Robinson A
Full Access

Aims

This prospective cohort study aimed to determine if the size of the tendon gap following acute tendo Achillis rupture influences the functional outcome following non-operative treatment.

Patients and methods

All patients presenting with acute unilateral tendo Achillis rupture were considered for the study. Dynamic ultrasound examination was performed to confirm the diagnosis and measure the gap between ruptured tendon ends. Outcome was assessed using dynamometric testing of plantarflexion and the Achilles tendon rupture score (ATRS) six months after the completion of a rehabilitation programme.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_19 | Pages 1 - 1
1 Nov 2016
Williams G Kadakia A Ellison P Mason L Molloy A
Full Access

Introduction

Traditional treatment of idiopathic flatfoot in the adult population include calcaneal neck lengthening or fusions. These surgical methods result in abnormal function with significant complication rates. Our prospective study aimed to quantify the functional and radiological outcome of a new technique for spring ligament reconstruction using a hamstring graft, calcaneal osteotomy and medial head of gastrocnemius recession if appropriate.

Methods

22 feet were identified from the senior authors flatfoot reconstructions over a 3 year period (Jan 2013 to Dec 2015). 9 feet underwent a spring ligament reconstruction. The control group were 13 feet treated with standard tibialis posterior reconstruction surgery. Follow up ranged from 8 to 49 months. Functional assessment comprised VAS heath and pain scales, EQ-5D and MOXFQ scores. Radiographic analysis was performed for standardised parameters.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_19 | Pages 24 - 24
1 Nov 2016
Williams G Butcher C Molloy A Mason L
Full Access

Introduction

We aimed to retrospectively identify risk factors for delayed / non-union for first metatarsophalangeal joint fusion.

Methods

Case notes and radiograph analysis was performed for operations between April 2014 and April 2016 with at least 3 months post-operative follow up. Union was defined as bridging bone across the fusion site on AP and lateral radiographic views with no movement or pain at the MTPJ on examination. If union was not certain, CT scans were performed. All patients operations were performed/supervised by one of three consultant foot surgeons. Surgery was performed through a dorsal approach using the Anchorage compression plate. Blinded pre-operative AP radiographs were analysed for the presence of a severe hallux valgus angle equal or above 40 degrees. Measurement intra-observer reliability was acceptable (95%CI:1.6–2.3 degrees). Smoking and medical conditions associated with non-union underwent univariate analysis for significance.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_19 | Pages 26 - 26
1 Nov 2016
Aiyer A Myerson M
Full Access

Introduction

Metatarsus adductus (MA) increases the risk of recurrence following surgery for hallux valgus (HV). The goal of this study was to analyze patients with severe MA and identify clinical/surgical factors that are associated with a lower rate of recurrent deformity.

Methods

587 patients underwent correction of HV deformity. The rate of recurrence of HV was 15% (63 out of 414 patients) in patients without MA (MA angle < 20°) and 29.6% (50 out of 173 patients) in patients with MA. 19 patients with severe MA (>31°) were identified; 8 of 19 had associated tarsometatarsal arthritis, and two patients had a skew foot deformity. Ten patients had severe valgus lesser toe deformities. Clinical information collected included associated diagnoses, the presence of arthritis of the tarsometatarsal joints, the presence and degree of lesser toe valgus deformities and surgical procedures performed. Radiographic recurrence was defined as a postoperative HVA > 20°.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_19 | Pages 22 - 22
1 Nov 2016
Humphrey J Hussain L Latif A Walker R Abbasian A Singh S
Full Access

Background

Previous studies have individually shown extracorporeal shockwave therapy (ESWT) to be beneficial for mid-substance Achilles tendinopathy, insertional Achilles tendinopathy or plantar fasciitis. The purpose of this pragmatic study was to determine the efficacy of ESWT in managing the three main causes of refractory heel pain in our routine clinical practice.

Methods

236 patients (261 feet) aged between 25 – 81 years (mean age 50.4) were treated in our NHS institute with ESWT between April 2014 and May 2016. They all underwent a clinical and radiological assessment (ultrasonography +/− magnetic resonance imaging) to determine the primary cause of heel pain. Patients were subsequently categorized into three groups, mid-substance Achilles tendinopathy (55 cases), insertional Achilles tendinopathy (55 cases) or plantar fasciitis (151 cases). If their symptoms were recalcitrant to compliant first line management for 6 months, they were prescribed three consecutive ESWT sessions at weekly intervals. All outcome measures (foot & ankle pain score, EQ-5D) were recorded at baseline and 3-month follow-up (mean 18.3 weeks, range 11.4 to 41).


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_19 | Pages 15 - 15
1 Nov 2016
Sinclair V Walsh A Watmough P Henderson A
Full Access

Introduction

Ankle fractures are common injuries presenting to trauma departments and ankle open reduction and internal fixation (ORIF) is one of the first procedures targeted in early orthopaedic training. Failure to address the fracture pattern with the appropriate surgical technique and hardware may lead to early failure resulting in revision procedures or premature degenerative change. Patients undergoing revision ORIF are known to be at much greater risk of complications, and many of these secondary procedures may be preventable.

Method

A retrospective analysis of all patients attending our unit for ankle ORIF over a two year period was undertaken. Patients were identified from our Bluespier database and a review of X rays was undertaken. All patients undergoing re-operation within eight weeks of the primary procedure were studied. The cause of primary failure was established and potential contributing patient and surgical factors were recorded.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_19 | Pages 19 - 19
1 Nov 2016
Sinclair V O'Leary E Pentlow A Hepple S Harries B Winson I
Full Access

Introduction

Arthroscopic ankle fusion is an effective treatment for end stage ankle arthritis. It reliably improves pain but at the expense of ankle motion. Development of adjacent degenerative joint disease in the foot is thought to be a consequence of ankle fusion due to altered biomechanics. However, it has been reported to be present on pre-operative radiographs in many patients. There is very little evidence reporting the long-term outcomes of patients undergoing arthroscopic ankle fusion and particularly those requiring secondary procedures for adjacent joint disease.

Material and methods

We reviewed the operative records of 149 patients who had undergone arthroscopic ankle fusion under the care of two consultant foot and ankle surgeons between 2002 and 2006. We contacted patients by telephone to determine whether they had required further investigation or surgery on the same foot after their index procedure. Secondary outcome measures included a Manchester Oxford Foot Questionnaire (MOQFQ) score and a patient satisfaction score.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_19 | Pages 7 - 7
1 Nov 2016
Vasukutty N Jawalkar H Anugraha A Chekuri R Ahluwalia R Kavarthapu V
Full Access

Introduction

Corrective fusion for the unstable deformed hind foot in Charcot Neuroarthropathy (CN) is quite challenging and is best done in tertiary centres under the supervision of multidisciplinary teams.

Patients and methods

We present our results with a series of 42 hind foot deformity corrections in 40 patients from a tertiary level teaching hospital in the United Kingdom. The mean patient age was 59 (33–82). 16 patients had type1 diabetes mellitus, 20 had type 2 diabetes and 4 were non-diabetic. 18 patients had chronic ulceration. 17 patients were ASA 2 and 23 were ASA grade 3. All patients had acute single stage correction and Trigen hind foot nail fusion performed through a standard technique by the senior author and managed peri-operatively by the multidisciplinary team. Our outcome measures were limb salvage, deformity correction, ulcer healing, weight bearing in surgical shoes and return to activities of daily living (ADL).


The Bone & Joint Journal
Vol. 98-B, Issue 11 | Pages 1497 - 1504
1 Nov 2016
Dingemans SA Rammelt S White TO Goslings JC Schepers T

Aims

In approximately 20% of patients with ankle fractures, there is an concomitant injury to the syndesmosis which requires stabilisation, usually with one or more syndesmotic screws. The aim of this review is to evaluate whether removal of the syndesmotic screw is required in order for the patient to obtain optimal functional recovery.

Materials and Methods

A literature search was conducted in Medline, Embase and the Cochrane Library for articles in which the syndesmotic screw was retained. Articles describing both removal and retaining of syndesmotic screws were included. Excluded were biomechanical studies, studies not providing patient related outcome measures, case reports, studies on skeletally immature patients and reviews. No restrictions regarding year of publication and language were applied.


The Bone & Joint Journal
Vol. 98-B, Issue 10 | Pages 1312 - 1319
1 Oct 2016
Spang C Alfredson H Docking SI Masci L Andersson G

In recent years, the plantaris tendon has been implicated in the development of chronic painful mid-portion Achilles tendinopathy. In some cases, a thickened plantaris tendon is closely associated with the Achilles tendon, and surgical excision of the plantaris tendon has been reported to be curative in patients who have not derived benefit following conservative treatment and surgical interventions.

The aim of this review is to outline the basic aspects of, and the recent research findings, related to the plantaris tendon, covering anatomical and clinical studies including those dealing with histology, imaging and treatment.

Cite this article: Bone Joint J 2016;98-B:1312–19.


The Bone & Joint Journal
Vol. 98-B, Issue 10 | Pages 1376 - 1381
1 Oct 2016
Bucknall V Rutherford D MacDonald D Shalaby H McKinley J Breusch SJ

Aims

This is the first prospective study to report the pre- and post-operative patient reported outcomes and satisfaction scores following excision of interdigital Morton’s neuroma.

Patients and Methods

Between May 2006 and April 2013, we prospectively studied 99 consecutive patients (111 feet) who were to undergo excision of a Morton’s neuroma. There were 78 women and 21 men with a mean age at the time of surgery of 56 years (22 to 78). Patients completed the Manchester-Oxford Foot Questionnaire (MOXFQ), Short Form-12 (SF-12) and a supplementary patient satisfaction survey three months pre-operatively and six months post-operatively.


The Bone & Joint Journal
Vol. 98-B, Issue 10 | Pages 1369 - 1375
1 Oct 2016
Brodsky JW Kane JM Coleman S Bariteau J Tenenbaum S

Aims

The surgical management of ankle arthritis with tibiotalar arthrodesis is known to alter gait, as compared with normal ankles. The purpose of this study was to assess post-operative gait function with gait before arthrodesis.

Patients and Methods

We prospectively studied 20 patients who underwent three-dimensional gait analysis before and after tibiotalar arthrodesis. Cadence, step length, walking velocity and total support time were assessed. Kinetic parameters, including the moment and power of the ankle in the sagittal plane and hip power were also recorded.


The Bone & Joint Journal
Vol. 98-B, Issue 10 | Pages 1299 - 1311
1 Oct 2016
Hong CC Pearce CJ Ballal MS Calder JDF

Injuries to the foot in athletes are often subtle and can lead to a substantial loss of function if not diagnosed and treated appropriately. For these injuries in general, even after a diagnosis is made, treatment options are controversial and become even more so in high level athletes where limiting the time away from training and competition is a significant consideration.

In this review, we cover some of the common and important sporting injuries affecting the foot including updates on their management and outcomes.

Cite this article: Bone Joint J 2016;98-B:1299–1311.


The Bone & Joint Journal
Vol. 98-B, Issue 9 | Pages 1197 - 1201
1 Sep 2016
Ashman BD Kong C Wing KJ Penner MJ Bugler KE White TO Younger ASE

Aims

Patients with diabetes are at increased risk of wound complications after open reduction and internal fixation of unstable ankle fractures. A fibular nail avoids large surgical incisions and allows anatomical reduction of the mortise.

Patients and Methods

We retrospectively reviewed the results of fluoroscopy-guided reduction and percutaneous fibular nail fixation for unstable Weber type B or C fractures in 24 adult patients with type 1 or type 2 diabetes. The re-operation rate for wound dehiscence or other indications such as amputation, mortality and functional outcomes was determined.


The Bone & Joint Journal
Vol. 98-B, Issue 9 | Pages 1202 - 1207
1 Sep 2016
Jeyaseelan L Chandrashekar S Mulligan A Bosman HA Watson AJS

Aims

The mainstay of surgical correction of hallux valgus is first metatarsal osteotomy, either proximally or distally. We present a technique of combining a distal chevron osteotomy with a proximal opening wedge osteotomy, for the correction of moderate to severe hallux valgus.

Patients and Methods

We reviewed 45 patients (49 feet) who had undergone double osteotomy. Outcome was assessed using the American Orthopaedic Foot and Ankle Society (AOFAS) and the Short Form (SF) -36 Health Survey scores. Radiological measurements were undertaken to assess the correction.

The mean age of the patients was 60.8 years (44.2 to 75.3). The mean follow-up was 35.4 months (24 to 51).


The Bone & Joint Journal
Vol. 98-B, Issue 9 | Pages 1155 - 1159
1 Sep 2016
Trieb K

Neuropathic changes in the foot are common with a prevalence of approximately 1%. The diagnosis of neuropathic arthropathy is often delayed in diabetic patients with harmful consequences including amputation. The appropriate diagnosis and treatment can avoid an extensive programme of treatment with significant morbidity for the patient, high costs and delayed surgery. The pathogenesis of a Charcot foot involves repetitive micro-trauma in a foot with impaired sensation and neurovascular changes caused by pathological innervation of the blood vessels. In most cases, changes are due to a combination of both pathophysiological factors. The Charcot foot is triggered by a combination of mechanical, vascular and biological factors which can lead to late diagnosis and incorrect treatment and eventually to destruction of the foot.

This review aims to raise awareness of the diagnosis of the Charcot foot (diabetic neuropathic osteoarthropathy and the differential diagnosis, erysipelas, peripheral arterial occlusive disease) and describe the ways in which the diagnosis may be made. The clinical diagnostic pathways based on different classifications are presented.

Cite this article: Bone Joint J 2016;98-B:1155–9.


The Bone & Joint Journal
Vol. 98-B, Issue 7 | Pages 874 - 883
1 Jul 2016
Ballal MS Pearce CJ Calder JDF

Sporting injuries around the ankle vary from simple sprains that will resolve spontaneously within a few days to severe injuries which may never fully recover and may threaten the career of a professional athlete. Some of these injuries can be easily overlooked altogether or misdiagnosed with potentially devastating effects on future performance. In this review article, we cover some of the common and important sporting injuries involving the ankle including updates on their management and outcomes.

Cite this article: Bone Joint J 2016;98-B:874–83.


The Bone & Joint Journal
Vol. 98-B, Issue 7 | Pages 945 - 951
1 Jul 2016
Clement ND MacDonald D Dall GF Ahmed I Duckworth AD Shalaby HS McKinley J

Aims

To examine the mid-term outcome and cost utility of the BioPro metallic hemiarthroplasty for the treatment of hallux rigidius.

Patients and Methods

We reviewed 97 consecutive BioPro metallic hemiarthroplasties performed in 80 patients for end-stage hallux rigidus, with a minimum follow-up of five years. There were 19 men and 61 women; their mean age was 55 years (22 to 74). No patient was lost to follow-up.


The Bone & Joint Journal
Vol. 98-B, Issue 6 | Pages 812 - 817
1 Jun 2016
Verhage SM Boot F Schipper IB Hoogendoorn JM

Aims

Involvement of the posterior malleolus in fractures of the ankle probably adversely affects the functional outcome and may be associated with the development of post-traumatic osteoarthritis. Anatomical reduction is a predictor of a successful outcome.

The purpose of this study was to describe the technique and short-term outcome of patients with trimalleolar fractures, who were treated surgically using a posterolateral approach in our hospital between 2010 and 2014.

Patients and Methods

The study involved 52 patients. Their mean age was 49 years (22 to 79). There were 41 (79%) AO 44B-type and 11 (21%) 44C-type fractures. The mean size of the posterior fragment was 27% (10% to 52%) of the tibiotalar joint surface.


The Bone & Joint Journal
Vol. 98-B, Issue 6 | Pages 806 - 811
1 Jun 2016
Akimau PI Cawthron KL Dakin WM Chadwick C Blundell CM Davies MB

Aims

The purpose of this study was to compare symptomatic treatment of a fracture of the base of the fifth metatarsal with immobilisation in a cast.

Our null hypothesis was that immobilisation gave better patient reported outcome measures (PROMs). The alternative hypothesis was that symptomatic treatment was not inferior.

Patients and Methods

A total of 60 patients were randomised to receive four weeks of treatment, 36 in a double elasticated bandage (symptomatic treatment group) and 24 in a below-knee walking cast (immobilisation group). The primary outcome measure used was the validated Visual Analogue Scale Foot and Ankle (VAS-FA) Score. Data were analysed by a clinician, blinded to the form of treatment, at presentation and at four weeks, three months and six months after injury. Loss to follow-up was 43% at six months. Multiple imputations missing data analysis was performed.


The Bone & Joint Journal
Vol. 98-B, Issue 5 | Pages 641 - 646
1 May 2016
Ballas R Edouard P Philippot R Farizon F Delangle F Peyrot N

Aims

The purpose of this study was to analyse the biomechanics of walking, through the ground reaction forces (GRF) measured, after first metatarsal osteotomy or metatarsophalangeal joint (MTP) arthrodesis.

Patients and Methods

A total of 19 patients underwent a Scarf osteotomy (50.3 years, standard deviation (sd) 12.3) and 18 underwent an arthrodesis (56.2 years, sd 6.5). Clinical and radiographical data as well as the American Orthopaedic Foot and Ankle Society (AOFAS) scores were determined. GRF were measured using an instrumented treadmill. A two-way model of analysis of variance (ANOVA) was used to determine the effects of surgery on biomechanical parameters of walking, particularly propulsion.


The Bone & Joint Journal
Vol. 98-B, Issue 5 | Pages 634 - 640
1 May 2016
Pedowitz DI Kane JM Smith GM Saffel HL Comer C Raikin SM

Aims

Few reports compare the contribution of the talonavicular articulation to overall range of movement in the sagittal plane after total ankle arthroplasty (TAA) and tibiotalar arthrodesis. The purpose of this study was to assess changes in ROM and functional outcomes following tibiotalar arthrodesis and TAA.

Patients and Methods

Patients who underwent isolated tibiotalar arthrodesis or TAA with greater than two-year follow-up were enrolled in the study. Overall arc of movement and talonavicular movement in the sagittal plane were assessed with weight-bearing lateral maximum dorsiflexion and plantarflexion radiographs. All patients completed Short Form-12 version 2.0 questionnaires, visual analogue scale for pain (VAS) scores, and the Foot and Ankle Ability Measure (FAAM).


The Bone & Joint Journal
Vol. 98-B, Issue 4 | Pages 498 - 503
1 Apr 2016
Mahadevan D Attwal M Bhatt R Bhatia M

Aims

The objective of this double-blind randomised controlled trial was to assess whether ultrasound guidance improved the efficacy of corticosteroid injections for Morton’s neuroma (MN).

Patients and Methods

In all, 50 feet (40 patients) were recruited for this study but five feet were excluded due to the patients declining further participation. The mean age of the remaining 36 patients (45 feet) was 57.8 years (standard deviation (sd) 12.9) with a female preponderance (33F:12M). All patients were followed-up for 12 months. Treatment was randomised to an ultrasound guided (Group A) or non-ultrasound guided (Group B) injection of 40 mg triamcinolone acetonide and 2 ml 1% lignocaine, following ultrasound confirmation of the diagnosis.


The Bone & Joint Journal
Vol. 98-B, Issue 3 | Pages 365 - 373
1 Mar 2016
Lucas y Hernandez J Golanó† P Roshan-Zamir S Darcel V Chauveaux D Laffenêtre O

Aims

The aim of this study was to report a single surgeon series of consecutive patients with moderate hallux valgus managed with a percutaneous extra-articular reverse-L chevron (PERC) osteotomy.

Patients and Methods

A total of 38 patients underwent 45 procedures. There were 35 women and three men. The mean age of the patients was 48 years (17 to 69). An additional percutaneous Akin osteotomy was performed in 37 feet and percutaneous lateral capsular release was performed in 22 feet. Clinical and radiological assessments included the type of forefoot, range of movement, the American Orthopedic Foot and Ankle (AOFAS) score, a subjective rating and radiological parameters.

The mean follow-up was 59.1 months (45.9 to 75.2). No patients were lost to follow-up.


The Bone & Joint Journal
Vol. 98-B, Issue 3 | Pages 359 - 364
1 Mar 2016
Kodama N Takemura Y Shioji S Imai S

Aims

This retrospective cohort study compared the results of vascularised and non-vascularised anterior sliding tibial grafts for the treatment of osteoarthritis (OA)of the ankle secondary to osteonecrosis of the talus.

Patients and Methods

We reviewed the clinical and radiological outcomes of 27 patients who underwent arthrodesis with either vascularised or non-vascularised (conventional) grafts, comparing the outcomes (clinical scores, proportion with successful union and time to union) between the two groups. The clinical outcome was assessed using the Mazur and American Orthopaedic Foot and Ankle Society (AOFAS) ankle-hindfoot scores. The mean follow-up was 35 months (24 to 68).


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 18 - 18
1 Dec 2015
Sinclair V Millar T Garg S
Full Access

Background

Total ankle replacement (TAR) design has evolved greatly in recent years and offers a reasonable alternative to ankle arthrodesis in a select patient population with end-stage arthritis. Originator series’ report good longevity and excellent patient reported outcomes (PROMs). We report our outcomes in an independent, non-inventor cohort.

Method

We collected prospective data on consecutive patients undergoing total ankle replacement between April 2008 and March 2012, under the care of one Consultant Orthopaedic surgeon. The primary outcome measure was time to revision. Secondary outcomes measures included American Orthopaedic Foot and Ankle Society (AOFAS) scores, Visual Analogue Score (VAS) for pain, and complications.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 20 - 20
1 Dec 2015
Jain K Clough T
Full Access

Background

We compared platelet rich plasma (PRP) injection to cortisone (40mg triamcinolone) injection in the treatment of chronic plantar fasciitis resistant to traditional nonoperative management. The aims were to compare early and long term efficacy of PRP to that of Steroid (3, 6 and 12 months after injection).

Methods

60 heels with intractable plantar fasciitis with failed conservative treatment were randomized to either PRP or Steroid injection. All patients were assessed with Roles-Maudsley (RM) Score, Visual Analogue Score (VAS) for pain and the American Orthopaedic Foot and Ankle Society (AOFAS) score. Data was collected prospectively on the cohort, pre-treatment, at 3, 6 and 12 months post injection. The mean scores of the two groups were compared using Student t test.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 23 - 23
1 Dec 2015
Ahmad K Pillai A Somasundaram K Fox A Kurdy N
Full Access

Background

Patient reported outcome and experience measures have been a fundamental part of the NHS. We used PROMS2.0, a semi-automated web-based system, which allows collection and analysis of outcome data, to assess the patient reported outcome/experience measures for scarf+/− akin osteotomy for hallux valgus.

Methods

Prospective PROMs/PREMs data was collected. Scores used to asses outcomes included EQ-5D VAS, EQ-5D Health Index, and MOxFQ, collected pre-operatively and post-operatively (Post-op follow-up 6–12months) Patient Personal Experience (PPE-15) was collected postoperatively.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 15 - 15
1 Dec 2015
Walter R Harries W Hepple S Winson I
Full Access

The ZenithTM total ankle replacement (Corin, Cirencester) is a mobile-bearing implant based on the Buechal Pappas design. Key features are the simple fully-jigged instrumentation aiming to improve accuracy and reproducibility of implant positioning, cementless calcium phosphate coated surfaces for improved early osseointegration, and titanium nitride-coated bearing surfaces to resist wear. We present early to mid-term survival data for 155 total ankle replacements implanted by three surgeons in our institute.

Case records of all patients undergoing ZenithTM Total Ankle Replacement by three senior surgeons, including a member of the design team, between 2007 and 2014 were examined. Patients were examined clinically and radiographically annually after the early postoperative period. The primary outcome measure was implant survival. Secondary outcome measures included complication rates, parameters of radiographic alignment, and radiographic evidence of cysts and loosening.

One hundred and fifty-five cases were performed for a mixture of primary pathologies, predominantly primary or posttraumatic arthrosis. Mean follow-up was 50 months. Implant survival was 99.0% at 3 years (n=103), 94.0% at 5 years (n=50), and 93.8% at 7 years (n=16). One patient was revised to arthrodesis for aseptic loosening, one arthrodesis was performed for periprosthetic infection with loosening, and one below-knee amputation was performed for chronic pain. Three cases underwent further surgery to address cysts, and 7 malleolar fractures were reported. Medial gutter pain was experienced by 9% of patients.

Overall, our data show excellent early and mid-term survivorship for the ZenithTM Total Ankle Replacement. Simple fully-jigged instrumentation allows accurate and reproducible implant alignment.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 6 - 6
1 Dec 2015
Marlow W Molloy A Mason L
Full Access

There is an increasing acceptance that the clinical outcomes following posterior malleolar fractures are less than satisfactory. Current ankle classification systems do not account for differences in fracture patterns or injury mechanisms, and as such, the clinical outcomes of these fractures are difficult to interpret. The aim of this study was to analyse our posterior malleolar fractures to better understand the anatomy of the fracture.

In a series of 42 consecutive posterior malleolar, who all underwent CT imaging, we have described anatomically different fracture patterns dictated by the direction of the force and dependent on talus loading. We found 3 separate categories. Type 1 – a rotational injury in an unloaded talus resulted in an extraarticular posterior avulsion of the posterior ligaments. This occurred in 10 patients and was most commonly associated with either a high fibular spiral fracture or a low fibular fracture with Wagstaffe fragment avulsion. The syndesmosis was usually disrupted in these patients. Type 2 – a rotational injury in a loaded talus resulting in a posterolateral articular fracture, of the posterior incisura. This occurred in 16 patients and was most commonly associated with a posterior syndesmosis injury, low fibular spiral fracture and an anterior collicular fracture of the medial malleolus. Type 3 – axially loaded talus in plantarflexion causing a posterior pilon. This occurred in 16 patients and was most commonly associated with a long oblique fracture of the fibular and a Y shape fracture of the medial malleolus. The syndesmosis was usually intact in these patients.

In conclusion, the anatomy of the posterior malleolar should not be underestimated and requires careful consideration during treatment and categorisation in outcome studies to prevent misinterpretation.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 8 - 8
1 Dec 2015
Mushtaq N Al Obaidi B Iranpour F Bhattacharya R
Full Access

Introduction

Different techniques for fixation of lateral malleolus have been described. We report our results of using fibula rod for unstable ankle fractures in level one major trauma centre.

Methods

We reviewed the results of 40 ankle fractures (14 open and 26 closed) with significant soft tissue injuries and open fractures that were treated with a fibula rod between 2012 and 2015. The median age of patients was 60 (17–98 years).


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 27 - 27
1 Dec 2015
Bucknall V Rutherford D Macdonald D Shalaby H McKinley J Breusch S
Full Access

Current knowledge regarding outcomes following surgical treatment of Morton's neuroma remains incomplete. This is the first prospective study to report the pre- and post-operative patient reported outcomes and satisfaction scores following excision of interdigital Morton's neuroma.

Over a seven year period, 99 consecutive patients (112 feet) undergoing surgical excision of Morton's neuroma were prospectively studied. 78 patients were female with a mean age at operation of 56 years. Patient recorded outcomes and satisfaction were measured using the Manchester-Oxford Foot Questionnaire (MOXFQ), Short Form-12 (SF12) and a supplementary patient satisfaction survey three months pre and six months post-operatively.

Statistically significant differences were found between the mean pre- and post-operative MOXFQ and physical component of the SF-12 (p< 0.05). No difference in outcome was identified in patients in whom multiple neuromas were operated compared to single site surgery. However, revision surgery proved to statistically worsen MOXFQ outcomes post-operatively p< 0.004. Overall satisfaction was reported as excellent (49%) or good (29%) by the majority of patients but 10% were dissatisfied with poor (8%) or very poor (2%) results expressed. Only 64% were pain free at the time of follow-up and 8% of patients MOXFQ scores worsened.

These findings illustrate that overall, patient reported outcomes following resection of symptomatic Morton's neuroma are acceptable but may not be as favourable as earlier studies suggest. Caution should be taken when considering revision surgery which has shown to be a poor prognostic indicator. Contrary to current knowledge, multiple site surgery can be safely undertaken.


The Bone & Joint Journal
Vol. 97-B, Issue 12 | Pages 1645 - 1650
1 Dec 2015
Chaudier P Bourdin M Gauthier J Fessy MH Besse JL

While many forefoot procedures may be performed as a day case, there are no specific guidelines as to which procedures are suitable. This study assessed the early post-operative pain after forefoot surgery performed a day case, compared with conventional inpatient management.

A total of 317 consecutive operations performed by a single surgeon were included in the study. Those eligible according to the criteria of the French Society of Anaesthesia (SFAR) were managed as day cases (127; 40%), while the remainder were managed as inpatients.

The groups were comparable in terms of gender, body mass index and smoking status, although the mean age of the inpatients was higher (p < 0.001) and they had higher mean American Society of Anaesthesiologists scores (p = 0.002). The most severe daily pain was on the first post-operative day, but the levels of pain were similar in the two groups; (4.2/10, sd 2.5 for day cases, 4.4/10, sd 2.4 for inpatients; p = 0.53). Overall, 28 (9%) of patients who had their surgery as a day case and 34 (11%) of inpatients reported extreme pain (≥ 8/10). There were more day case patients rather than inpatients that declared their pain disappeared seven days after the surgery (p = 0.02). One day-case patient with excessive bleeding was admitted post-operatively.

Apart from the most complicated cases, forefoot surgery can safely be performed as a day case without an increased risk of pain, or complications compared with management as an inpatient.

Cite this article: Bone Joint J 2015;97-B:1645–50.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 28 - 28
1 Dec 2015
Ballas E Jalali J Briggs P
Full Access

Introduction

The attachment of the plantar aponeurosis to the proximal phalanx of the toe, through the plantar plate (PP), forms the main flexor of the toe during gait by the reversed windlass mechanism. Disruption of the plantar plate is a common cause of pain, instability and toe deformity. Surgical techniques have recently been described to repair tears but long term results are awaited. This study aims to review the results of a technique designed to reconstruct and reinforce the failed plantar plate and restore the reversed windlass.

Methods

Through a dorsal extra-articular approach the EDL tendon of the affected toe is used to restore the mechanical link between the proximal phalanx and the plantar aponeurosis on the plantar aspect of the joint. 42 PP reconstructions in 39 patients (36 female) aged 44–72 were undertaken, most frequently on the 2nd toe. 25 required correction of hallux valgus and four had undergone this previously. Follow up was 2–81 months.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 17 - 17
1 Dec 2015
Humphrey J Pervez A Walker R Abbasian A Singh S Jones I
Full Access

Background

Management of failed total ankle replacements (TAR) remains a difficult challenge. Ankle arthrodesis, revision TAR, debridement and amputation are all utilized as surgical options. The purpose of the study was to review a series of failed TAR surgically managed in our tertiary referral centre.

Methods

A retrospective review of 18 consecutive failed TARs, either within or referred to our institution, which required surgical management were reviewed. The average age was 58.2 (range 25–77) with 11 males and 6 females.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 19 - 19
1 Dec 2015
Ali A O'Connor P Harris N
Full Access

We present a series of 23 total ankle replacements revised for balloon osteolysis and aseptic loosening with a hind-foot fusion nail without the use of bone graft. This is the largest series of total ankle replacements revised to a hindfoot fusion with a nail presented in the literature.

Initial assessment involved investigations to rule out infection and a CT scan of the ankle to assess the size of cysts. Patients underwent surgery in a single stage procedure. The surgery involved excision of the fibula and preparation of the sub-talar joint through a lateral incision; removal of the implant and preparation of the talar and tibial surface with flat cuts through an anterior incision and safe excision of the medial malleolus aided by a medial incision. The prepared surfaces were then compressed and fixed using a Biomet Phoenix Nail. Patients were then followed up to assess for clinical and radiographic union.

This study involved 18 male and 4 female patients with an average age of 67. All patients had AES ankle replacements (Biomet) in-situ, undergoing revision surgery for aseptic loosening with balloon osteolysis. At a mean follow up of 13.9 months, 96% (22/23) of ankles achieved osseous union across the tibio-talar joint with 1 patient achieving a partial union. 91% (21/23) of patients achieved union across the subtalar joint with 2 patients identified as having a non-union.

1 patient with a subtalar non-union suffered a broken nail and required revision surgery. The only other identifiable complication was a single patient sustained a stress fracture at the proximal tip of the nail, which was treated conservatively.

We believe this method is a reliable and reproducible method of achieving osseous union following a failed total ankle replacement without using graft. Although patients may have a leg length discrepancy, none have requested leg lengthening.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 21 - 21
1 Dec 2015
Ramasamy A Bali N Evans S Grimer R
Full Access

Introduction

Bone tumours of the foot are rare, representing 3–6% of all bone tumours. Of these 15–25% are thought to be malignant. Obtaining clear surgical margins remains an important factor in improving outcome from tumours. However, the anatomical complexity of the foot can lead to an inadequate resection, particularly if the operating surgeon is attempting to preserve function. The aim of this paper is to identify the clinical course of patients suffering from malignant bone tumours of the foot.

Method

A prospective tumour registry over a 30 yr period was used to identify patients with a malignant bone tumour of the foot. Patient demographics along with the site of primary malignancy, region of the foot involved and clinical management were recorded.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 10 - 10
1 Dec 2015
Calder J Bamford R McCollum G
Full Access

This study investigated athletes presenting with grade II syndesmosis injuries and identified the clinical and radiological factors important in differentiating a stable from dynamically unstable injury and those findings associated with a longer recovery and return to sport.

Sixty-four athletes were prospectively assessed with an average follow-up of 37 months (range 24–66 months). Athletes with an isolated distal syndesmosis (+/− medial deltoid ligament) injury were included. Those athletes with a concomitant ankle fracture were excluded. Those considered stable (grade IIa) were treated conservatively with a boot and progressive rehabilitation. Those with clinical signs of instability underwent arthroscopy and if instability was confirmed (grade IIb) the syndesmosis was stabilized surgically. The clinical assessment of injury to individual ligaments of the ankle and syndesmosis were recorded along with MRI findings, complications and time to return to play.

All athletes returned to the same level of professional sport – 28 with IIa injuries returned at a mean of 45 days whereas the 36 with grade IIb injuries returned to play at a mean of 64 days (p< 0.001). Clinical assessment of injury to the ligaments of the syndesmosis correlated well with MRI findings. Those with a positive squeeze test were 9.5 times as likely and those with a deltoid injury 11 times more likely to have an unstable syndesmosis confirmed arthroscopically. The combination of injury to the AITFL and deltoid ligament was associated with a delay in return to sport. Concomitant injury to the ATFL indicated a different mechanism of injury with the syndesmosis less likely to be unstable and was associated with an earlier return to sport.

Clinical and MRI findings may differentiate stable from dynamically unstable grade II injuries and identify which athletes may benefit from early arthroscopic assessment and stabilization. It also suggests the timeframe for expected return to play.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 11 - 11
1 Dec 2015
Barr L Loizou C Smith G Loveday D
Full Access

Introduction

The aim of this study was to identify the effects of first MTPJ arthritis, ankle arthritis and hallux valgus on patient reported outcomes, and to assess the efficacy of surgery.

Methods

Patients who underwent first MTPJ fusion, ankle fusion or hallux valgus correction from July 2013 to October 2014 were included in the study. Exclusion criteria included revision or simultaneous bilateral surgery, inflammatory arthropathy, or arthritis of a proximal joint awaiting arthroplasty. Subjects completed the Manchester-Oxford Foot Questionnaire (MOX-FQ), EQ-5D index, and EQ-5D health scale on presentation and at least six months post-operatively. Between group statistical analysis was carried out using one-way ANOVA, pre- and post-operative scores were compared using a paired t-test.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 29 - 29
1 Dec 2015
Trigkilidas D Drabu R Keightley A Halliwell P
Full Access

Introduction

Lesser toe proximal interphalangeal joint arthrodesis is a common forefoot procedure for correction of claw toe deformities. The most common method of fixation is with k-wires. Although this is a very cost-effective method of fixation, well-known disadvantages include pin site infection, non union, wire migration and the inconvenience to the patients of percutaneous wires for up to six weeks. For these reasons, intramedullary devices for joint fixation without crossing the distal IP joint have been developed. Many different designs are currently available. The Smart Toe prosthesis which has appeared as a type I and II, is one such implant. In two recent studies using type I, the use of this implant is advocated. We wish to present our experience with the use of the Smart Toe II.

Methods

In this retrospective study we present a radiological review of 46 consecutive cases in 25 patients who underwent lesser toe interphalangeal arthrodeses using the Smart Toe II implant between July 2010 and November 2014 by the senior author. There were 7 (28%) male and 18 (72%) female patients. Post operative radiographs, taken at a mean follow up of 6 months, were reviewed for non-union, migration and implant failure.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 24 - 24
1 Dec 2015
McEntee L Killen M Karpe P Limaye R
Full Access

Background

Hallux rigidus is a degenerative condition of the first metatarsophalangeal joint (MTPJ) of the great toe, which can result in significant pain and stiffness. Treatment using joint replacement, either by means of hemiarthroplasty or total arthroplasty of the metatarsophalangeal joint is becoming an increasingly popular option for patients with severe disease.

Aim

To evaluate mid-term functional and radiological outcomes of a widely used first generation resurfacing arthroplasty system in the treatment of hallux rigidus.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 26 - 26
1 Dec 2015
Baumhauer J Singh D Glazebrook M Blundell C Wansbrough G de Vries G Le I Nielson D Petersen E Sakellariou A Solan M Younger A Daniels T
Full Access

Patients with advanced stage hallux rigidus from 12 centers in Canada and the UK were randomized (2:1) to treatment with a small (8/10 mm) hydrogel implant (Cartiva) or 1st MTP arthrodesis. VAS pain scale, validated outcome measures (FAAM sport scale), great toe active dorsiflexion motion, secondary procedures, radiographic assessment and safety parameters were evaluated.

236 patients were initially enrolled, 17 patients withdrew prior to randomization, 17 patients withdrew after randomization and 22 were non-randomized training patients, leaving 152 implant and 50 arthrodesis patients. Standard demographics and baseline outcomes were similar for both groups.

Mean VAS pain scores decreased from 6.8 and 6.9 respectively for the implant and arthrodesis groups from baseline to 1.4 and 0.7 at 24 months. Similarly, the FAAM sports score improved significantly from baseline levels of 37 and 36 to 24 months level of 77 and 82 respectively for the implant and arthrodesis groups. First MTP active dorsiflexion motion improved an average of 4° at 3 months after implant placement and was maintained at 24 months.

Secondary surgeries occurred in 17 (11.2%) implant patients and 6 (12.0%) arthrodesis patients. Fourteen (9.2%) implants were removed and converted to arthrodesis and 6 (12.0%) arthrodesis patients had painful hardware requiring removal. There was no case of implant fragmentation, wear, or bone loss. Analysis of a single composite endpoint utilizing the three primary study outcomes (pain, function, and safety) showed statistical equivalence between the2groups.

Conclusion

In patients requiring surgery for advanced stage hallux rigidus, treatment with a small synthetic cartilage implant resulted in comparable clinically important pain relief and functional outcomes compared to 1st MTP arthrodesis while preserving and often improving great toe motion. Secondary surgical intervention was similar in the implant and arthrodesis groups. Revision from a small implant plug to arthrodesis can be performed if needed.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 3 - 3
1 Dec 2015
Smith G Loizou C
Full Access

The diagnosis of Lisfranc ligament disruption is notoriously difficult. Radiographs and MRI scans are often ambiguous therefore a stress-test examination under anaesthesia is commonly required. Two midfoot stress-tests are in current practice, namely the varus first ray stress-test and the pronation abduction test. The optimal type of stress-test is not however evaluated in the literature. We hypothesised that after the loss of the main plantar stabiliser (the Lisfranc ligament) the patient would demonstrate dorsal instability, not the classic 1st/2nd metatarsal diastasis commonly described. We therefore devised a push-up test (placement of a force under the 2nd metatarsal in an attempt to elevate the base away from the middle cuneiform on the lateral radiograph). We aimed to initially test our hypothesis on a cadaveric model.

Twelve fresh frozen cadaveric specimens without previous foot injury were used. The 2nd tarsometatarsal joint was exposed and the Lisfranc ligament and dorsal capsule were incised. An image intensifier was positioned and standard anteroposterior (AP) and lateral views were obtained. Two previously reported AP stress-tests (varus first ray stress test, pronation abduction test) and the novel test under investigation (‘Lisfranc Push-Up’ test) were duly performed. Images were obtained once the investigator felt the appropriate views were achieved.

All twelve of the Lisfranc Push-Up tests showed dorsal subluxation of the 2nd metatarsal on the middle cuneiform of greater than 2mm on the lateral radiograph. No diastasis of the 1st/2nd metatarsals was seen in any of the specimens on the AP radiograph for either of the other two stress-tests.

The authors have described a novel way of demonstrating the dorsal instability associated with the ligamentous Lisfranc injury. Our results support the Lisfranc Push-Up test as a reproducible and sensitive method for assessing ligamentous Lisfranc injuries. In our cadaveric model the previously described stress-tests do not work.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 13 - 13
1 Dec 2015
Walter R Butler M Parsons S
Full Access

Traditional open approaches for subtalar arthrodesis have reported nonunion rates of 5–16% and significant incidence of infection and nerve injury. The rationale for arthroscopic arthrodesis is to limit dissection of the soft tissues in order to preserve blood supply for successful fusion, whilst minimising the risk of soft tissue complications. The aim of this study was to determine the outcomes of sinus tarsi portal subtalar arthrodesis.

Case records of all patients undergoing isolated arthroscopic subtalar arthrodesis by two senior surgeons between 2004 and 2014 were examined. All patients were followed up until successful union or revision surgery. The primary outcome measure was successful clinical and radiographic union. Secondary outcome measures included occurrence of infection and nerve injury.

Seventy-seven procedures were performed in 74 patients, with successful fusion in 75 (97.4%). One (1.3%) superficial wound infection and one (1.3%) transient sural nerve paraesthesia occurred. Fixation with a single screw provided sufficient stability for successful arthrodesis.

To our knowledge this is the largest reported series of isolated arthroscopic subtalar arthrodeses to date, and the first series reporting results of the two portal sinus tarsi approach. This approach allows access for decortication of all three articular facets, and obviates the need for a posterolateral portal, features which may explain the high union rate and low incidence of sural nerve injury in our series.