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Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_12 | Pages 8 - 8
10 Jun 2024
Airey G Aamir J Chapman J Tanaka H Elbannan M Singh A Mangwani J Kyaw H Jeyaseelan L Mason L
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Background. Research on midfoot injuries have primarily concentrated on the central column and the Lisfranc ligament without amassing evidence on lateral column injuries. Lateral column injuries have historically been treated with Kirschner wire fixation when encountered. Objective. Our aim in this study was to analyse lateral column injuries to the midfoot, their method of treatment and the radiological lateral column outcomes. Our nul hypothesis being that fixation is required to obtain and maintain lateral column alignment. Methods. Data was retrospectively collected from four centres on surgically treated midfoot fracture dislocations between 2011 and 2021. Radiographs were analysed using departmental PACS. All statistics was performed using SPSS 26. Results. A total of 235 cases were diagnosed as having a lateral column injury out of the 409 cases included. On cross tabulation, there was a significant association with having a central column injury (234/235, p<.001) and 70% of cases (166/235) also had an additional medial column injury. Of the 235 lateral column injuries, data was available regarding fixation radiographic alignment on 222 cases. There were 44 cases which underwent Kirschner wire fixation, 23 plate fixations and 3 screw fixations. Lateral column alignment loss was seen in 2.84% (4/141) of those which didn't undergo fixation, 13.64% (6/44) which underwent K wires, and 0 % in those fixed by screws or K wires. Conclusion. Lateral column injury occurs in over half of midfoot fractures in this study. It rarely occurs alone and is most commonly related to three column injuries. Nevertheless, following stabilisation of the central column, additional fixation of injuries to the lateral column do not appear beneficial. The use of a bridge plate to fix the central column appears protective and purely ligamentous injury was a higher risk than an injury that included the bone


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_6 | Pages 4 - 4
20 Mar 2023
Reynolds A Kumar CS
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Midfoot arthrodesis is the conventional surgical intervention for midfoot arthritis. Arthrodesis aims to stabilise, realign and fuse the affected joints, providing patients with improved pain and function. Current research neglects the measurement of patient reported outcomes. This study aimed to investigate objective, and patient reported outcomes of midfoot arthrodesis. The secondary aim was to identify variables predicting the development of non-union. An automated search of online patient records identified 108 eligible patients (117 feet). The rates of union, re-operations, and complications were calculated using radiographs and medical records. Logistic regression was used to model variables influencing the odds of non-union. All living patients were posted a Manchester Oxford Foot Questionnaire (MOx-FQ), a patient reported outcome assessment. Pre-operative MOx-FQ results were available in a minority of cases. Students t-test was used to compare pre- and post-operative MOx-FQ scores. The rate of union achieved was 74%. The rate of re-operations was 35%. The rate of complications was 14%. Bone grafts and staple fixation independently impacted the odds of non-union. Bone grafts decreased the odds of non-union, whilst staple fixation increased the odds. This finding agrees with the opinion of other researchers. We recommend the use of bone grafts, and the avoidance of fixation with staples. Previous attempts have been made to assess patient outcomes. However, this study is the first to use the MOx-FQ, a validated questionnaire. Therefore, this study establishes a baseline for improvements in patient reported outcomes


Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_5 | Pages 34 - 34
23 Apr 2024
Duguid A Ankers T Narayan B Fischer B Giotakis N Harrison W
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Introduction. Charcot neuroarthropathy is a limb threatening condition and the optimal surgical strategy for limb salvage in gross foot deformity remains unclear. We present our experience of using fine wire frames to correct severe midfoot deformity, followed by internal beaming to maintain the correction. Materials and Methods. Nine patients underwent this treatment between 2020–2023. Initial deformity correction by Ilizarov or hexapod butt frame was followed by internal beaming with a mean follow up of 11 months. A retrospective analysis of radiographs and electronic records was performed. Meary's angle, calcaneal pitch, cuboid height, hindfoot midfoot angle and AP Meary's angle were compared throughout treatment. Complications, length of stay and the number of operations are also described. Results. Mean age was 53 years (range:40–59). Mean frame duration was 3.3 months before conversion to beaming. Prior frame-assisted deformity correction resulted in consistently improved radiological parameters. Varying degrees of subsequent collapse were universal, but 5 patients still regained mobility and a stable, plantargrade, ulcer-free foot. Complications were common, including hardware migration (N=6,66%), breakage (N=2,22%), loosening (N=3,33%), infection (N=4,44%), 1 amputation and an unscheduled reoperation rate of 55%. Mean cumulative length of stay was 42 days. Conclusions. Aggressive deformity correction and internal fixation for Charcot arthropathy requires strategic and individualised care plans. Complications are expected for each patient. Patients must understand this is a limb salvage scenario. This management strategy is resource heavy and requires timely interventions at each stage with a well-structured MDT delivering care. The departmental learning points are to be discussed


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXII | Pages 7 - 7
1 May 2012
Cooke P
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Surgery to the midfoot (usually fusion) may be performed for trauma, arthritis, deformity or combinations. There are reports of good results, meaning primary fusion rates of 90+percent, 12 % serious complication rates and need for hardware removal 1n 25% of cases from specialist centres (Nemec et al AOFAS 2010). But even these good results mean 10% of patients needing lengthy revision surgery, and a third needing some additional intervention. Surgery to the midfoot, like all surgery has both consequences (which everyone experiences) and complications (which some peolple get). The consequences of midfoot surgery are time in hospital, long periods in cast (often non-weight bearing) and long rehabilitation periods leading to a “second best” result where pain is relieved, but mechanics and full function are not restored, and longterm stiffness and swelling are comon. Usually the patient still needs to restrict activities and wear orthotics or adaptive footwear. The commonest complication is probably a failure to inform patients of the consequences of surgery – inevitably leading to disappointment with result and outcome. Common complications include:. Wound, nerve and vascular problems. Delayed union, malunion and non-union. General complications such as DVT and embolism. All these complications are more common in patients who smoke, are diabetic or have a BMI over 30. By showing examples of problems seen in the last 15 years of tertiary referral (and the authors own cases), a system to minimise complications, and to address them when they occur, will be presented, based on:. Good preparation and timely accurate information. Planning surgery (approach, execution and post operative management). Rehailitation and after surgery care. These can usually only be brought together by a surgeon performing this surgery on a regular basis, and with the support of an equally experienced multi-disciplinary team


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVIII | Pages 184 - 184
1 Sep 2012
Steyn C Sanders DW
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Purpose. Operative treatment of Lisfranc joint injuries typically includes reduction and stabilization of the medial and middle columns of the midfoot. Mobility of the lateral column is preserved where possible, such that indications for lateral column stabilization rely upon the surgeons assessment of instability. In this case series, the indication for lateral column stabilization was defined by the results of an intra-operative stress test. The purpose of this study was to determine whether an intra-operative fluoroscopic stress test of the lateral column was sufficient to determine the need for internal fixation of the lateral column in Lisfranc joint injuries. Method. 35 adult patients with Lisfranc injuries operated in our centre by a single surgeon from 2005–2009 were reviewed. All patients had unstable midfoot fracture dislocations, treated by reduction and internal fixation including an intra-operative stress examination to determine the need for lateral column fixation. Patients were contacted for clinical and radiographic review at a mean of 31 months post injury. Functional outcome was assessed using general and joint-specific outcome tools (AOFAS midfoot score and LEM). Radiographic review included analysis of joint displacement and arthritic changes in preoperative, postoperative, and most recent radiographs. Results. Pre-operative imaging demonstrated displacement of the lateral column in 25 / 35 patients. Nineteen of these 25 had a stable reduction of the lateral column following medial and middle column fixation, based upon an intra-operative stress examination. Only 6 patients had persistent instability; these were treated with lateral column stabilization. Reduction of the lateral column was maintained at final follow up in 100 percent of 35 patients. Lateral midfoot pain was present in 5/6 patients requiring lateral fixation, compared to 1/(19) patient who did not require lateral fixation. AOFAS midfoot scores (mean) were 80 15. in patients with no evidence of lateral column instability, 79 15. in patients with preoperative displacement but a negative stress examination, and 77 18 in patients requiring lateral fixation (p>0.05). Post-traumatic arthrosis was present in 3/10 patients with no evidence of lateral column instability, 4/19 patients with preoperative displacement but a negative stress examination, and 4/6 in patients requiring lateral fixation (p>0.05). Conclusion. The decision to stabilize the lateral column during surgery on Lisfranc injuries was aided by an intra-operative fluoroscopic stress examination. Based upon the stress examination, 19 / 25 patients who had a displaced lateral column at the time of presentation avoided lateral fixation. None of these 19 patients treated without lateral fixation lost reduction in the follow up period. A fluoroscopic intra operative stress test safely reduced the need for lateral column fixation in displaced Lisfranc joint injuries


The Bone & Joint Journal
Vol. 98-B, Issue 7 | Pages 1003 - 1008
1 Jul 2016
Fenton P Al-Nammari S Blundell C Davies M

Aims. Although infrequent, a fracture of the cuboid can lead to significant disruption of the integrity of the midfoot and its function. The purpose of this study was to classify the pattern of fractures of the cuboid, relate them to the mechanism of injury and suggest methods of managing them. Patients and Methods. We performed a retrospective review of patients with radiologically reported cuboid fractures. Fractures were grouped according to commonly occurring patterns of injury. A total of 192 fractures in 188 patients were included. They were classified into five patterns of injury. Results. Type 1 fractures (93 fractures, 48.4%) are simple avulsion injuries involving the capsule of the calcaneo-cuboid joint. Type 2 fractures (25 fractures, 13%) are isolated extra-articular injuries involving the body of the cuboid. Type 3 injuries (13 factures, 6.8%) are intra-articular fractures solely within the body of the cuboid. Type 4 fractures (35 fractures, 18.2%) are associated with disruption of the midfoot and tarsometatarsal injuries. Type 5 fractures (26 fractures, 13.5%) occur in conjunction with disruption of the mid-tarsal joint and either crushing of the lateral column alone or of both medial and lateral columns. Fractures with significant articular disruption or with loss of length of the lateral column underwent fixation. This involved either internal fixation to restore the anatomy of the cuboid and/or restoration of the length of the columns with bridging constructs using internal or external fixation. Conclusion. A classification system for fractures of the cuboid is proposed in relation to the mechanism of injury. The treatment of these fractures is described. Cite this article: Bone Joint J 2016;98-B:1003–8


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 127 - 128
1 Feb 2003
Meggitt B Dunn A
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This paper presents the first report of a prospective study to assess the outcome of using coregistration localisation and selective arthrodesis in chronic midfoot degenerative arthritis. In a previous report from Cambridge (. J Bone Jt Surg [Br]. 1998. ; . 80B. :. 777. ), a new coregistration imaging technique in the foot was described, using superimposed X-rays and technetium scintigram and showing significantly higher anatomical localisation of active joint disease than either alone. Nineteen consecutive patients over a three-year period (1996–9) with severe midfoot joint pain and disability of over six months’ duration underwent coregistration imaging followed by selective arthrodesis. The procedures involved 17 patients with one-level single or multiple fusions of the metatarsocuneiform, metatarsocuboid or naviculocuneiform joints, and two patients with two-level multiple fusions. Pain and functional assessments were recorded pre-operatively and at one and at two to four years postoperatively using the American Orthopaedic Foot and Ankle Society Midfoot Scoring System. Bone union was determined clinically and with X-rays. Results showed fusions in all 19 patients between 10 and 15 weeks. Three K-wires and one screw required removal for later prominence and there was one delayed wound healing. Pian and functional scores showed significant differences between the pre- and post-operative and one year measurements, and less between the one year and two to four year scores. This preliminary study concludes that there is a high correlation between the coregistration localisation of the midfoot degenerative arthropathies and the successful results of selective fusion of these joints for the one to four year follow-up period


Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_9 | Pages 8 - 8
16 May 2024
Giddie J Phyo N Reichert I Ahluwalia R Kavarthapu V
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Background. Corrective fusion of a deformed / unstable Charcot neuroarthropathy (CN)of the midfoot and hindfoot is performed with the aim to prevent ulcers and maintain patient mobility. Methods. Between October 2007 and July 2018, 103 CN mid and hind foot corrections in 95 patients were performed. There were 34 hind-foot, 38 mid-foot and 31 combined hind and mid-foot surgeries. 83 feet had single stage corrections, whereas 20 required a staged operation. Results. Ninety-five patients were prospectively followed up. The mean patient age in our study was 57 years (21 – 85). Twenty-seven patients had type1 diabetes, 64 patients had type 2 and 4 patients had a neuropathy secondary to other conditions. Forty patients (42%) were offered a below knee amputation prior to attending our foot clinic. At a mean follow up of 56 months (12 – 140) we achieved 100% limb salvage with a 75% full bone fusion rate. There were 17 mortalities within our cohort at a mean period of 3 years. Ninety-seven percent (n=92) patients were mobilizing post-operatively in orthotic footwear. Fifty-two feet had pre-operative ulcers. Post-operatively 17 feet (16 patients) had persistent ulceration. Eight patients had ulcer resolution following further surgery and alteration of footwear, one patient has been listed for a below knee amputation for unstable non-union, whilst the remaining 7 patients have stable ulcers which are managed with dressings. Of the 26 feet (25 patients) with non-unions, 6 patients had revision fixation procedures whilst 8 patients required minor surgical procedures. The remaining 11 patients are stable non-unions who are asymptomatic and weight bearing. Other complications included a deep infection rate of 8% (n=7). Conclusion. We demonstrated a 100% limb salvage rate and an 83% success rate in ulcer resolution. We recommend this be done with the support of the multi-disciplinary team


The Bone & Joint Journal
Vol. 100-B, Issue 2 | Pages 176 - 182
1 Feb 2018
Petrie MJ Blakey CM Chadwick C Davies HG Blundell CM Davies MB

Aims. Fractures of the navicular can occur in isolation but, owing to the intimate anatomical and biomechanical relationships, are often associated with other injuries to the neighbouring bones and joints in the foot. As a result, they can lead to long-term morbidity and poor function. Our aim in this study was to identify patterns of injury in a new classification system of traumatic fractures of the navicular, with consideration being given to the commonly associated injuries to the midfoot. Patients and Methods. We undertook a retrospective review of 285 consecutive patients presenting over an eight- year period with a fracture of the navicular. Five common patterns of injury were identified and classified according to the radiological features. Type 1 fractures are dorsal avulsion injuries related to the capsule of the talonavicular joint. Type 2 fractures are isolated avulsion injuries to the tuberosity of the navicular. Type 3 fractures are a variant of tarsometatarsal fracture/dislocations creating instability of the medial ray. Type 4 fractures involve the body of the navicular with no associated injury to the lateral column and type 5 fractures occur in conjunction with disruption of the midtarsal joint with crushing of the medial or lateral, or both, columns of the foot. Results. In order to test the reliability and reproducibility of this new classification, a cohort of 30 patients with a fracture of the navicular were classified by six independent assessors at two separate times, six months apart. Interobserver reliability and intraobserver reproducibility both had substantial agreement, with kappa values of 0.80 and 0.72, respectively. Conclusion. We propose a logical, all-inclusive, and mutually exclusive classification system for fractures of the navicular that gives associated injuries involving the lateral column due consideration. We have shown that this system is reliable and reproducible and have described the rationale for the subsequent treatment of each type. Cite this article: Bone Joint J 2018;100-B:176–82


Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_II | Pages 275 - 275
1 May 2010
Wiewiorski M Kretzschmar M Rasch H Bilecen D Jacob A Valderrabano V
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Introduction: Determination of the origin of chronic foot pain in osteoarthritis (OA) is challenging since clinical examination of the foot faces a complex anatomy with several joints, osseous, and non-osseous structures contributing to the symptoms. Non-invasive imaging methods (Rx, CT, MRI) show a poor correlation with pain degree. Studies using functional imaging based on the detection of activated osteoblasts with 99mTc-Dicarboxypropandiphosphate (DPD) to indicate painful facet joints show promising results, but so far no evaluation for chronic OA pain conditions in foot joints has been conducted and the diagnostic potential was limited due to poor spatial resolution of the scintigraphic assessment. Single Photon Emission Computed Tomography – Computed Tomography (SPECT-CT) combines metabolic information with an exact anatomical localization. We hypothesised that diagnostic infiltration with a local anaesthetic of a painful hindfoot or midfoot joint showing 99mTc-DPD-uptake in SPECT-CT, leads to a positive OA pain response. Methods: 26 patients with chronic OA pain and radiological signs of OA in a hindfoot or midfoot joint (27 feet) were included. Plain radiography was performed to detect degenerative changes and to rule out pathologies different from OA. Pain status was measured by Visual Analogue Scale (VAS). AOFAS hindfoot/midfoot score and SF-36–score were documented. All patients received a 99mTc-DPD SPECT-CT (Symbia T2, Siemens). The localisation of 99mTc-DPD-uptake and consequently the site of infiltration were defined. The infiltration was performed with a local anaesthetic (bupivacaine) and iodine solution under CT-guidance with exact documentation of the contrast media deposit by CT. Pain status was assessed directly post-infiltration. Pain relief in responders was defined as reduction of VAS-score > 50% immediately after infiltration, partial response as reduction of < 50%. Results: Infiltration was performed in 26 hindfoot joints and 5 midfoot as indicated by 99mTc-DPD-uptake in SPECT-CT. Subsequent CT control scans showing contrast media depot confirmed exact successful infiltration in all indicated joints. In 22 patients an immediate significant (p< 0.01) postinterventional pain reduction of VAS more than 50% was observed. Mean VAS before infiltration was 5.77 (range 2–10; SD 2.22) and 0.82 (range 0–4; SD 1.26) immediately after infiltration. Two patients showed a partial response and one patient showed no pain resolution after infiltration. Conclusion: The results show a significant correlation of uptake and pain resolution after infiltration allowing precise identification of OA hindfoot joints as pain inducing foci. SPECT-CT offers good prediction of outcome after infiltration improving the localisation of the pain inducing joint, thus aiding in pre-operative planning


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_1 | Pages 4 - 4
1 Jan 2013
Nogaro M Loveday D Calder J Carmichael J
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Introduction. Surgical approaches to the dorsum of the foot are common for management of midfoot fracture dislocations and arthritis. The anatomy can be difficult to identify and neurovascular injury can be a serious complication. Extensor hallucis brevis (EHB) is a consistent and easily identifiable structure encountered in these approaches. This study assesses the close relationship of the EHB musculotendinous junction to the neurovascular bundle for use as a reliable landmark. Method. The relationship of the medial branch of the deep peroneal nerve (DPN) in the dorsum of the foot to the EHB tendon was examined by dissection of ten adult cadaveric feet preserved in formalin. Using a dorsal approach, the anatomy of the DPN neurovascular bundle was studied relative to its neighbouring structures. Local institutional review board approval was obtained. Results. The neurovascular bundle runs parallel to the lateral border of extensor hallucis longus (EHL) over the dorsum of the midfoot. Lateral to the neurovascular bundle is the EHB muscle running obliquely towards the first metatarsal. The average length of transition of the musculotendinous junction is 11mm and the neurovascular bundle passes underneath this junction in nine out of ten cases, and through it in one specimen. This junction is directly over the 2. nd. tarsometatarsal joint. Discussion. Although a cadaveric study where tissue characteristics are different to those of living tissue, this study has shown that the neurovascular bundle with the medial branch of the deep peroneal nerve and corresponding artery can be identified by finding the musculotendinous junction of the EHB


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_III | Pages 519 - 519
1 Aug 2008
Tamir E Daniels T Finestone A Nof M
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Introduction: Historically, off-loading forefoot neuropathic ulcers with a total contact cast has been an effective treatment method. However, large neuropathic ulcers located on the plantar aspect of the heel or midfoot have been resistant to the off-loading with total contact casting. Therefore, it is not uncommon for these ulcers to persist for several years leading to eventual infection and/or amputation. Objective: To assesses a new and effective off-loading mode of treatment for hindfoot and midfoot ulcers. The device is composed of a fiberglass cast with a metal stirrup and a window around the ulcer. Research, Design and Methods: A retrospective study of 14 diabetic and non-diabetic patients was performed. All had a single chronic planter hindfoot or midfoot neuropathic ulcer that failed to heal via the conventional methods. A fiberglass total contact cast with a metal stirrup was applied. A window was made over the ulcer so as to continue with daily ulcer care. The cast was changed every other week. Results: The average duration of ulcer prior to application of the metal stirrup was 26 ± 13.2 months (range 7 to 52 months). The ulcer completely healed in 12 of the 14 patients (86%) treated. The mean time for healing was 10.8 weeks for the midfoot ulcers and 12.3 weeks for the heel ulcers. Complications developed in 4 patients: 3 developed superficial wounds and 1 developed a full thickness wound. In 3 of these 4 patients, local wound care was initiated and the Stirrup cast was continued to complete healing of the primary ulcer. Conclusion: The fiberglass cast with a metal stirrup is an effective off-loading device for midfoot and hindfoot ulcers. It is not removable and does not depend on patient’s compliance. The window around the ulcer allows for daily wound care, drainage of secretions and the use of VAC treatment. The complication rate is comparable to that of Total Contact Casting


Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_I | Pages 20 - 21
1 Mar 2010
Wiewiorski M Kretzschmar M Rasch H Bilecen D Jacob A Valderrabano V
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Purpose: Osteoarthritis (OA) is a common disease with increasing prevalence and rising socioeconomic burden. Of all symptoms accompanying OA, pain is the most disabling and frequent and the major reason why patients affected seek medical help. The determination of the origin of chronic foot OA pain is challenging since clinical examination of the foot faces a complex anatomy with several joints, osseous, and non-osseous structures contributing to the symptoms. For OA non-invasive imaging methods like plain radiograph, CT or MRI underestimate the degree of degenerative changes and show a poor correlation with pain degree. Studies using functional imaging based on the detection of activated osteoblasts with 99mTc-Dicarboxypropandiphosphate (DPD) to indicate painful facet joints in the lower spine show promising results, but so far no evaluation for chronic OA pain conditions in foot joints has been conducted and the diagnostic potential was limited due to poor spatial resolution of the scintigraphic assessment. Single Photon Emission Computed Tomography – Computed Tomography (SPECT-CT) is a new hybrid technique combining metabolic information with an exact anatomical localization. We hypothesised that diagnostic infiltration with a local anaesthetic of a painful hindfoot or midfoot joint showing 99mTc-DPD-uptake in SPECT-CT, leads to a positive OA pain response. Method: 26 patients with chronic OA pain and radiological signs of OA in a hindfoot or midfoot joint (27 feet) were included. Plain radiography was performed to detect degenerative changes and to rule out pathologies different from OA. Pain status was measured by Visual Analogue Scale (VAS). AOFAS hindfoot/midfoot score and SF-36-score were documented.. All patients received a 99mTc-DPD SPECT-CT (Symbia T2, Siemens). The localisation of 99mTc-DPD-uptake and consequently the site of infiltration were defined. The infiltration was performed with a local anaesthetic (bupivacaine) and iodine solution under CT-guidance with exact documentation of the contrast media deposit by CT. Pain status was assessed directly post-infiltration. Pain relief in responders was defined as reduction of VAS-score > 50% immediately after infiltration, partial response as reduction of < 50%. Results: Infiltration was performed in 26 hindfoot joints and 5 midfoot as indicated by 99mTc-DPD-uptake in SPECT-CT. Subsequent CT control scans showing contrast media depot confirmed exact successful infiltration in all indicated joints. In 22 patients an immediate significant (p< 0.01) postinterventional pain reduction of VAS more than 50% was observed. Mean VAS before infiltration was 5.77 (range 2–10; SD 2.22) and 0.82 (range 0–4; SD 1.26) immediately after infiltration. Two patients showed a partial response and one patient showed no pain resolution after infiltration. Conclusion: The results show a significant correlation of uptake and pain resolution after infiltration allowing precise identification of OA hindfoot joints as pain inducing foci. Non-invasive SPECT-CT offers good prediction of outcome after infiltration improving the localisation of the pain inducing pathology, thus aiding in pre-operative planning and avoiding unnecessary interventions, as diagnostic infiltrations, with its possible risks and side effects


Orthopaedic Proceedings
Vol. 86-B, Issue SUPP_IV | Pages 477 - 477
1 Apr 2004
Sammarco G Guioa R
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Introduction Fracture dislocation of the midtarsus with subsequent collapse of the longitudinal arch, dislocation of the forefoot and development of the rocker-bottom deformity is a significant complication of the neuropathic foot. Bony deformity and lack of protective sensation may lead to plantar ulceration, infection and amputation. Surgical reconstruction entails reduction of the dislocation and restoration of the alignment of the foot. Fixation of the arthrodesis may be challenging due to bony dissolution, fragmentation and osteoporosis which accompany the Charcot process. The purpose of the the current study is to describe the technique and review the clincial results of midtarsal arthrodesis with intamedullary axial screw fixation used to treat Charcot midfoot collapse. Methods A retrospective study of 12 patients undergoing surgical reconstruction and arthrodesis of Charot midfoot deformity was done. Long intramedullary screws were applied antegrade or retrograde to bridge the apex of the deformity after the area had been prepared for arthrodesis through bony resection or osteotomy. Axial screws are applied such that the head or shaft of the screw gained purchase in the intramedullary canal of two or more metatarsal bones. Compression of the arthrodesis bed was achieved by tightening the screws. Radiographic measurements were taken pre-operatively, immediately post-operatively and at the last follow-up to assess the amount of durability of the correction achieved. Results Patients were evaluated clincally and radiographically at an average of 35 month follow-up (5 to 144 months). Bony union was achieved in 83% of patients, at an average of 5.3 months. All patients returned to functional ambulatory status within seven months. The talar-first metatarsal angles in the anterior and lateral planes, talar declination angle and calcaneal-fifth metatarsal angle were all corrected to near normal values following the surgery and showed no significant collapse between immediate post-op and final follow-up. The amount of dorsal displacement of the medial column was reduced to normal values and showed no significant recurrence at final follow-up. There were no recurrent plantar ulcerations. Hardware failure occurred in one patient who was unable to comply with weight bearing restrictions and significant soft tissue complications were encountered. Conclusions Surgical correction of Charcot midfoot collapse with midfoot osteotomy and arthrodesis utilizing multiple large-diameter intramedullary axial screws which span the area of dissolution provides an adequate construct to achieve arthrodesis and maintain alignment and reduction of the deformity. In relation to the conduct of this study, one or more of the authors has received, or is likely to receive direct material benefits


The Bone & Joint Journal
Vol. 97-B, Issue 6 | Pages 809 - 813
1 Jun 2015
Butt DA Hester T Bilal A Edmonds M Kavarthapu V

Charcot neuro-osteoarthropathy (CN) of the midfoot presents a major reconstructive challenge for the foot and ankle surgeon. The Synthes 6 mm Midfoot Fusion Bolt is both designed and recommended for patients who have a deformity of the medial column of the foot due to CN. We present the results from the first nine patients (ten feet) on which we attempted to perform fusion of the medial column using this bolt. Six feet had concurrent hindfoot fusion using a retrograde nail. Satisfactory correction of deformity of the medial column was achieved in all patients. The mean correction of calcaneal pitch was from 6° (-15° to +18°) pre-operatively to 16° (7° to 23°) post-operatively; the mean Meary angle from 26° (3° to 46°) to 1° (1° to 2°); and the mean talometatarsal angle on dorsoplantar radiographs from 27° (1° to 48°) to 1° (1° to 3°). . However, in all but two feet, at least one joint failed to fuse. The bolt migrated in six feet, all of which showed progressive radiographic osteolysis, which was considered to indicate loosening. Four of these feet have undergone a revision procedure, with good radiological evidence of fusion. The medial column bolt provided satisfactory correction of the deformity but failed to provide adequate fixation for fusion in CN deformities in the foot. In its present form, we cannot recommend the routine use of this bolt. Cite this article: Bone Joint J 2015; 97-B:809–13


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_III | Pages 497 - 498
1 Aug 2008
Cowie S Parsons S Scammell BE
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Introduction: Hypermobility is a common finding, however, it lacks diagnostic parameters and is poorly understood, especially in the foot. Aim: To quantify medial column/first ray mobility in patients with midfoot arthritis and planovalgus feet. Methods: We compared first ray mobility in patients with radiologically defined midfoot tarsometatarsal osteoarthritis, a radiologically normal first ray and planovalgus feet, with control subjects who had normal feet and first rays. An all female group of 20 patients (mean age of 70) and 20 controls (mean age of 53) met the criteria. Analysis of patients’ x-rays identified the site of their arthritis and allowed angular measurements of their flat foot deformity. Patient and control subjects underwent identical examinations, recording hindfoot correctability, medial longitudinal arch appearance, hindfoot prontion and supination, forefoot supination and degrees of flexion/extension and abduction/adduction with an electronic goniometer. Each subject was graded by the AOFAS and SF-36 outcome scores. Results: There was a significant difference in first ray mobility between the patient and control subjects for all positions adopted (P=< 0.001), except when dorsiflexed and weight bearing (P=0.052). Patients with a neutral non-weight bearing ankle exhibited greatest mobility of 16.8 +/− 4.7 degrees compared to 9.4 +/− 2.6 degrees in controls. This was a significant difference, P=< 0.001, as was the difference between patients adopting the NWB plantarflexed, dorsiflexed and WB neutral positions. P=0.002, P=0.014, P=0.001 respectively. Patients’ median score for 5 out of 8 SF36 domains were considerably less than controls, as were patients’ AOFAS. Reduced physical and social functioning were shown to be linked to poor foot scores. Conclusion: Patients with planovalgus feet and tarsometatarsal OA have greater first ray mobility than controls with normal feet. Recognising this may help plan orthotic or surgical treatment


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_21 | Pages 1 - 1
1 Dec 2017
Chambers S Philpott A Lawford C Lau S Oppy A
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Introduction. We describe a novel single incision approach and its safety in the largest reported series of Lisfranc injuries to date. Via separate subcutaneous windows it is possible to access the medial three rays of the foot for bridge plating, without the concern of narrow skin bridges between multiple incisions. Methods. A retrospective review identified all 150 patients who underwent a Lisfranc ORIF via the modified dorsal approach at the Royal Melbourne Hospital between January 2011 and June 2016. All patients were operated by a single surgeon. Removal of metalwork (ROM) was routinely undertaken at six months post-operatively via the same incision. Medical recored were reviewed to record patient demographics, mechanism of injury and surgical details. Outpatient notes were reviewed to identify wound-related complications including; delayed wound healing, superficial infection, wound dehiscence, deep infection, complex regional pain syndrome (CRPS), neuroma and impaired sensation. Median follow-up was 1012 days (range 188–2141). Results. Median age was 37 years (19–78). 110 (73%) patients were male. Mechanism of injury was: motor vehicle accident (37%), motor bike accident (19%) and fall (18%). 24 (16%) injuries were open, 5 of which required soft tissue reconstruction at the primary surgery. A total of 34 wound related complications occurred (22%); superficial infection (14), delayed wound healing (7), wound dehiscence (5), CRPS (4), impaired sensation (3), neuroma (1). Re-operation was necessary in the 5 patients who experienced wound dehiscence; 4 requiring split skin grafts and 1 requiring a free flap. Crush injuries were 10 times more likely to have wound complications than those sustained in motor vehicle accidents. Patients undergoing ROM were more likely to have wound complications than those who did not. Conclusion. The modified dorsal approach using subcutaneous windows to access the midfoot joints offers a viable alternative to existing approaches


Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_1 | Pages 12 - 12
1 Jan 2019
MacInnes A Hutchison P Singleton G Harrold F
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Arthritis of the mid-foot is a common presentation to the foot and ankle clinic, resulting from primary (idiopathic), post-traumatic, or inflammatory joint degeneration. Treatment in the initial stages is conservative, with midfoot fusion regarded as the operative treatment of choice; however there is a paucity of comparative and patient reported data regarding outcomes. Patient reported outcome measures (PROMS), were prospectively collected from October-2015 to March-2018. Diagnoses were confirmed with image guided injection and initial management was conservative. In total, 66 patients were managed conservatively and 40 treated with mid-foot fusion. MOxFQ (Manchester Oxford Foot Questionnaire) and EQ-5D-3L (Euroqual) PROMS were collected pre-operatively, at 26 weeks and at 52 weeks. In the operatively managed group, the female:male ratio was 5.7:1, with a mean age of 61 (range 24–80), while in the conservatively managed group, the ratio was 2.1:1 with mean age 63 (range 29–86). In the surgically managed group, 88.2% of patients reported improvement in symptoms at 26 weeks and 88.9% at 52 weeks. This was greater than the conservatively managed group, in which 40.6% reported improvement at 26 weeks and 33.3% at 52 weeks. Mean MOxFQ improvement in the surgically managed group was +30.7 and +33.9 at 26 and 52 weeks respectively, and in the conservative group, +9.4 and +4.3, at 26 and 52 weeks. Similarly, favourable surgical outcomes were reported across all domains of EQ-5D-3L. This study has highlighted excellent early outcomes after surgical treatment and may represent promise for those patients for whom conservative management fails


Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_I | Pages 115 - 115
1 Mar 2009
Kandel L Romas K Stalnikowicz R Brezis M
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Introduction. Ankle and midfoot injuries are one of the most common orthopaedic complaints, both in the general medicine and the orthopedic practice. The percentage of fractures among these is small, however many of them will undergo an xray. Ottawa ankle rules are clinical guidelines developed for the use of radiography in these cases. This aim of this prospective study was to examine these rules’ implementation in the Israeli emergency medicine department and our ability both to predict a fracture and to reduce the amount of unnecessary xrays. Materials and methods. 92 consecutive patients with ankle injuries attending our emergency medicine department were divided in two groups. Study group included 32 patients who arrived during the morning shift and were examined by an internal medicine specialist according to the Ottawa ankle rules. Patients discharged without an xray were followed in the clinic or by telephone communication. Control group included 60 patients who were examined during the evening and night shifts by orthopedic residents unaware of the study. The mean age in the study group was 24 years and in the control group – 26 years. There was good acceptance of the study in patients of the study group. Only 2 of them insisted on the xrays and were excluded from the study. Rest 30 patients were followed as described. Results. 9 patients (30%) in the study group underwent an xray as opposed to 55 patients (92%) in the control group (p< 0.001). There was one fracture diagnosed in each group. In the study group, no fractures were found later in patients discharged without an xray. The mean time spent in the emergency department was 58 minutes in the study group and 98 minutes in the control group (p< 0.002). Discussion. The Ottawa ankle rules were developed as a simple “yes/no” decision tool as to whether to xray the ankle. In our emergency department, these rules were proved both accurate and safe. They can be effectively used by professionals not trained in trauma. It can save radiation and patient waiting time without jeopardizing the treatment


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_III | Pages 499 - 499
1 Aug 2008
Kasis A Krishnan M Griess ME
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We retrospectively reviewed 31 patients who underwent reconstruction procedure for PTT D (Type II Johnson). The surgery was mostly performed by the senior author. Fifty patients underwent 55 procedures, 31 patients were available for review (34 procedures). Clinical and functional outcome were assessed using AOFAS hindfoot score, and the SF-36 health assessment score. The patients had a calcaneal medialising (chevron) osteotomy to correct heel valgus, with or without a calcaneal lengthening osteotomy, and transfer of the FDL tendon to the navicular. All patients were immobilized in non-weight (to partial) bearing POP for 5 weeks, followed by CAM for 6 weeks. There were 7 males and 24 female, with an average age of 60.5 years. The average follow up was 54 months (range 11.5–111.2). The average hindfoot valgus deformity was 15 degrees preoperatively. Eight patients had and additional procedures including (TA lengthening, Lapidus). Four patients required bone graft for calcaneal column lengthening, and in 5 patients the posterior screw was removed due to continuous discomfort. The average AOFAS hindfoot score was 74 (47–100), the average pain score was 31/40 and the average subscore of the heel alignment was 7.9/10. Nineteen patients (61%) were able to perform single heel raise, and 27 patients (87%) were able to perform bilateral heel raise. 26 patients (83.8%) had no lateral impingement pain post operatively. The SF-36 health assessment showed similar functional outcome with age matched population. Two patients had superficial wound infection required oral antibiotics. Hindfoot and midfoot reconstructive surgery for type II PTTD after failed orthotic treatment is well established. However, the post operative care and rehabilitation period is lengthy and protracted. This must be emphasized during informed consent in order to fulfil realistic expectations