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The Bone & Joint Journal
Vol. 106-B, Issue 10 | Pages 1190 - 1196
1 Oct 2024
Gelfer Y McNee AE Harris JD Mavrotas J Deriu L Cashman J Wright J Kothari A

Aims

The aim of this study was to gain a consensus for best practice of the assessment and management of children with idiopathic toe walking (ITW) in order to provide a benchmark for practitioners and guide the best consistent care.

Methods

An established Delphi approach with predetermined steps and degree of agreement based on a standardized protocol was used to determine consensus. The steering group members and Delphi survey participants included members from the British Society of Children’s Orthopaedic Surgery (BSCOS) and the Association of Paediatric Chartered Physiotherapists (APCP). The statements included definition, assessment, treatment indications, nonoperative and operative interventions, and outcomes. Descriptive statistics were used for analysis of the Delphi survey results. The AGREE checklist was followed for reporting the results.


Bone & Joint Open
Vol. 5, Issue 1 | Pages 69 - 77
25 Jan 2024
Achten J Appelbe D Spoors L Peckham N Kandiyali R Mason J Ferguson D Wright J Wilson N Preston J Moscrop A Costa M Perry DC

Aims

The management of fractures of the medial epicondyle is one of the greatest controversies in paediatric fracture care, with uncertainty concerning the need for surgery. The British Society of Children’s Orthopaedic Surgery prioritized this as their most important research question in paediatric trauma. This is the protocol for a randomized controlled, multicentre, prospective superiority trial of operative fixation versus nonoperative treatment for displaced medial epicondyle fractures: the Surgery or Cast of the EpicoNdyle in Children’s Elbows (SCIENCE) trial.

Methods

Children aged seven to 15 years old inclusive, who have sustained a displaced fracture of the medial epicondyle, are eligible to take part. Baseline function using the Patient-Reported Outcomes Measurement Information System (PROMIS) upper limb score, pain measured using the Wong Baker FACES pain scale, and quality of life (QoL) assessed with the EuroQol five-dimension questionnaire for younger patients (EQ-5D-Y) will be collected. Each patient will be randomly allocated (1:1, stratified using a minimization algorithm by centre and initial elbow dislocation status (i.e. dislocated or not-dislocated at presentation to the emergency department)) to either a regimen of the operative fixation or non-surgical treatment.


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_10 | Pages 16 - 16
1 Jun 2023
Wright J Messner J McMahon S Johnson L Foster P Fernandes J Chhina H Klassen A Cooper A
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Introduction

LIMB-Q Kids is a new patient-reported outcome measure (PROM) for children with Lower limb differences (LLDs). The objective is to conduct an international field test study.

Materials & Methods

A mixed method multiphase approach was used to develop LIMB-Q Kids. In phase one, a systematic review was conducted to identify concepts from existing PROMs used in research with children with LLDs. A preliminary conceptual framework derived from the systematic review informed an international qualitative study. The data from qualitative interviews were used to form the LIMB-Q Kids, which was further refined through multiple rounds of cognitive debriefing interviews with children. Input was obtained from parents and healthcare professionals from Australia, Canada, Ethiopia, India, UK, and the USA. LIMB-Q Kids was translated and culturally adapted into multiple languages.


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_10 | Pages 23 - 23
1 Jun 2023
Timms A Sironi A Wright J Goodier D Martin L Calder P
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Introduction

Adjusting an external fixator can be a daunting process for patients. Despite comprehensive training, patients often request supervision for the initial adjustments which may result in a prolonged hospital stay. Following the introduction of telemedicine during the pandemic we believed that this could be utilised to support patients with their fixator adjustments. A quality improvement project was implemented to assess and evaluate a change in practice from existing Face to Face support to a telemedicine format. The aim of the project was to reduce median length of stay (LOS).

Materials & Methods

The telemedicine platform was introduced in our unit from April 2021 with the change in practice. Using the life QI platform, run charts were used to record the numbers of patients whose LOS was 4 days or less. Median LOS was assessed prior to and following introduction of the telemedicine platform. Service user experience with telemedicine as well as overall training and education by the CNS team was sought through on-line questionnaires.


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_10 | Pages 30 - 30
1 Jun 2023
Tissingh E Goodier D Wright J Timms A Campbell M Crook G Calder P
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Introduction

The FitBone lengthening nail (Orthofix UK) is an intramedullary device licensed for the lengthening of long bones in adults in the UK. It contains a motor powered by electricity transmitted via an induction coil placed underneath the skin. It was developed in Germany two decades ago but uptake in the UK has only started more recently. The aim of this study was to review the first cohort of FitBone lengthening nails in a unit with significant experience of other lengthening nails (including PRECICE and Stryde).

Materials & Methods

Demographic, clinical and radiological data was prospectively collected on all FitBone cases starting in February 2022. Accuracy of lengthening rate, patient satisfaction and implant issues were all considered. Complications and learning points were recorded and discussed by the multidisciplinary team involved in the patients care.


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_10 | Pages 31 - 31
1 Jun 2023
Tissingh E Wright J Goodier D Calder P Vris A Iliadis A
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Introduction

A greater emphasis has been placed on fracture related infection (FRI) orthopaedic practice as a separate entity in recent years. Since the publication of the FRI consensus definition and guidelines, there has been an increase in the published literature on the topic and a move towards considering FRI as separate from general orthopaedic practice and as work that requires a more specialist approach. The aim of this study was to audit current FRI practice in the UK.

Materials & Methods

Orthopaedic practice related to FRI in the UK was audited using a semi-structured questionnaire. Respondents were from a range of institutions, specialties and clinical roles to reflect the multi-disciplinary nature of treating FRI. The online tool SurveyMonkey was used to share the survey at the 2022 annual meeting of the British Limb Reconstruction Society. Twenty-one questions were asked in the following domains: scope of practice, theatre and clinic capacity, availability of the multidisciplinary team, renumeration for work and scope of FRI networks.


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_15 | Pages 85 - 85
1 Dec 2021
Goswami K Shope A Wright J Purtill J Lamendella R Parvizi J
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Aim

While metagenomic (microbial DNA) sequencing technologies can detect the presence of microbes in a clinical sample, it is unknown whether this signal represents dead or live organisms. Metatranscriptomics (sequencing of RNA) offers the potential to detect transcriptionally “active” organisms within a microbial community, and map expressed genes to functional pathways of interest (e.g. antibiotic resistance). We used this approach to evaluate the utility of metatrancriptomics to diagnose PJI and predict antibiotic resistance.

Method

In this prospective study, samples were collected from 20 patients undergoing revision TJA (10 aseptic and 10 infected) and 10 primary TJA. Synovial fluid and peripheral blood samples were obtained at the time of surgery, as well as negative field controls (skin swabs, air swabs, sterile water). All samples were shipped to the laboratory for metatranscriptomic analysis. Following microbial RNA extraction and host analyte subtraction, metatranscriptomic sequencing was performed. Bioinformatic analyses were implemented prior to mapping against curated microbial sequence databases– to generate taxonomic expression profiles. Principle Coordinates Analysis (PCoA) and Partial Least Squares-Discriminant Analysis were utilized to ordinate metatranscriptomic profiles, using the 2018 definition of PJI as the gold-standard.


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_16 | Pages 49 - 49
1 Dec 2021
Edwards T Prescott R Stebbins J Wright J Theologis T
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Abstract

Objectives

Single-event multilevel surgery (SEMLS) is the standard orthopaedic treatment for gait abnormalities in children with diplegic cerebral palsy (CP). The primary aim of this study was to report the long-term functional mobility of these patients after surgery. The secondary aim was to assess the relationship between functional mobility and quality of life (QoL).

Methods

Patients were included if they met the following criteria: 1) diplegic CP; 2) Gross Motor Function Classification System (GMFCS) I to III; 3) SEMLS at age ≤ 18. A total of 61 patients, mean age at surgery 11 years eight months (SD 2y 5m), were included. A mean of eight years (SD 3y 10m) after SEMLS, patients were contacted and asked to complete the Functional Mobility Scale (FMS) questionnaire over the telephone and given a weblink to complete an online version of the CP QOL Teen. FMS was recorded for all patients and CP QOL Teen for 23 patients (38%).


Bone & Joint Open
Vol. 2, Issue 9 | Pages 705 - 709
1 Sep 2021
Wright J Timms A Fugazzotto S Goodier D Calder P

Aims

Patients undergoing limb reconstruction surgery often face a challenging and lengthy process to complete their treatment journey. The majority of existing outcome measures do not adequately capture the patient-reported outcomes relevant to this patient group in a single measure. Following a previous systematic review, the Stanmore Limb Reconstruction Score (SLRS) was designed with the intent to address this need for an effective instrument to measure patient-reported outcomes in limb reconstruction patients. We aim to assess the face validity of this score in a pilot study.

Methods

The SLRS was designed following structured interviews with several groups including patients who have undergone limb reconstruction surgery, limb reconstruction surgeons, specialist nurses, and physiotherapists. This has subsequently undergone further adjustment for language and clarity. The score was then trialled on ten patients who had undergone limb reconstruction surgery, with subsequent structured questioning to understand the perceived suitability of the score.


Bone & Joint Open
Vol. 2, Issue 8 | Pages 599 - 610
1 Aug 2021
Hothi H Bergiers S Henckel J Iliadis AD Goodier WD Wright J Skinner J Calder P Hart AJ

Aims

The aim of this study was to present the first retrieval analysis findings of PRECICE STRYDE intermedullary nails removed from patients, providing useful information in the post-market surveillance of these recently introduced devices.

Methods

We collected ten nails removed from six patients, together with patient clinical data and plain radiograph imaging. We performed macro- and microscopic analysis of all surfaces and graded the presence of corrosion using validated semiquantitative scoring methods. We determined the elemental composition of surface debris using energy dispersive x-ray spectroscopy (EDS) and used metrology analysis to characterize the surface adjacent to the extendable junctions.


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_6 | Pages 38 - 38
1 May 2021
Iliadis A Timms A Fugazzotto S Edel P Wright J Goodier D Britten S Calder P
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Introduction

The use of intramedullary lengthening devices is becoming increasingly popular. There are no published data regarding the incidence of venous thromboembolism following intramedullary lengthening and no reports or guidance for current practices on use of thromboprophylaxis. Following a case of post-operative deep vein thrombosis in our institution, we felt that it is important to assess best practice. We conducted this survey to collect data that would describe current practice and help guide consensus for treatment.

Materials and Methods

We have identified surgeons across the UK that perform intramedullary lengthening through the British Limb Reconstruction Society membership and a Precise Users database. Surgeons were contacted and asked to respond to an online survey (SurveyMonkey - SVMK Inc.). Responses to thromboprophylaxis regimes employed in their practice and cases of venous thromboembolism were collated.


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_6 | Pages 4 - 4
1 May 2021
Iliadis A Wright J Stoddart M Goodier D Calder P
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Introduction

The STRYDE nail is an evolution of the PRECICE Intramedullary Limb Lengthening System, with unique features regarding its composition. It is designed for load bearing throughout treatment in order to improve patient experience and outcomes and allow for simultaneous bilateral lower limb lengthening. The literature published to date is limited with regards to both outcomes and potential issues. In this paper we report on our early experience and raise awareness for the potential of adverse effects from this device.

Materials and Methods

This is a review of all patients treated in our institution using this implant. Data were prospectively recorded. We report on demographics, nail accuracy, reliability, consolidation index and cases where concerning clinical and radiological findings were encountered.


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_6 | Pages 41 - 41
1 May 2021
Wright J Timms A Fugazzotto S O'Sullivan C Goodier D Calder P
Full Access

Introduction

Patients undergoing limb reconstruction surgery often face a challenging and often lengthy process to complete their treatment journey. The majority of existing outcome measures do not adequately capture the patient reported outcomes relevant to this patient group in a single measure. Following a previous systematic review, the Stanmore Limb Reconstruction Score (SLRS) was designed with the intent to address this need for an effective instrument to measure patient reported outcomes in limb reconstruction patients.

Materials and Methods

The SLRS was designed following the use of structured interviews with a group of patients who have undergone limb reconstruction surgery, limb reconstruction surgeons, specialist nurses and physiotherapists. This has undergone further adjustment for language and clarity. The score was then trialled on 10 patients who have been through the process of limb reconstruction surgery, with subsequent structured questioning to understand the perceived suitability.


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_6 | Pages 52 - 52
1 May 2021
Merchant R Tolk J Ayub A Hashemi-Nejad A Eastwood D Tennant S Calder P Wright J Khan T
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Introduction

Leg length discrepancy (LLD) in patients with unilateral developmental dysplasia of the hip (DDH) can be problematic for both patients and surgeons. Patients can acquire gait asymmetry, back pain, and arthritis. Surgical considerations include timing of correction and arthroplasty planning. This study audits standing long leg films performed at skeletal maturity in our patients. The aim of this study is to identify if surgical procedure or AVN type could predict the odds of needing an LLD Intervention (LLDI) and influence our surveillance.

Materials and Methods

Hospital database was searched for all patients diagnosed with DDH. Inclusion criteria were patients with appropriately performed long leg films at skeletal maturity. Exclusion criteria were patients with non DDH pathology, skeletally immature and inadequate radiographs. All data was tabulated in excel and SPSS was used for analysis. Traumacad was used for measurements and AVN and radiologic outcome grades were independently classified in duplicate.


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_6 | Pages 25 - 25
1 May 2021
Stoddart M Elsheikh A Wright J Goodier D Calder P
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Introduction

Pixel Value Ratio (PVR) is a radiographic measure of the relative density of the regenerate to the adjacent bone. This has been reported as an objective criterion for regenerate healing and a guide for when to allow full weight bearing (FWB) in lengthening with intramedullary telescopic nails. The threshold for which magnitude of PVR is adequate to allow bearing full weight is not yet agreed. The aim of this study was to identify from our cohort of adult limb lengthening patients the time to FWB following lengthening, the PVR at this point, and how this compared with the recommended values in the literature.

Materials and Methods

A retrospective database review identified 30 adult patients treated with the PRECICE femoral nail by two senior authors. Time from completion of lengthening to instruction to fully weight bear was noted. The PVR was calculated for each cortex on plain radiographs taken at each postoperative visit following completion of lengthening. Significance was set at p <0.05.


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_6 | Pages 42 - 42
1 May 2021
Iliadis A Bebja R Wang K Moazen M Wright J Calder P Goodier D
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Introduction

Ring breakage is a rare but significant complication requiring revision surgery and prolonging the course of treatment. We have encountered three cases with Taylor Spatial Frames (TSF) with breakage at the half ring junction of the distal ring. This experimental study examines the strains produced at different locations on the distal ring during loading and the effects of altering the construct in order to develop techniques to minimise the risk of breakage.

Materials and Methods

We mounted different TSF constructs on tibia sawbone models. Construct 1 reproducing the configuration of cases where failure was seen, Construct 2 with different wire and half pin configuration and construct 3 with the distal ring rotated 60 degrees. Strain Gauges were attached to different locations and measurements were collected during loading. Statistical analysis was subsequently performed.


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_1 | Pages 42 - 42
1 Feb 2021
Wright J Gehrke C Mallow M Savage P Wiater P Huber C Baker E
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Introduction

Pin-tract infections are a common problem in orthopaedic surgery, which limits the time an external fixator or Taylor spatial frame can be applied to a patient. The purpose of our study is to evaluate the ability of a novel implant surface coating — cationic steroid antibiotic (CSA)-44 — to delay or prevent the onset of these infections. This coating mimics endogenous antimicrobial peptides of the innate immune system and has been shown to effectively eradicate biofilms as well as prevent infection and stimulate healing of open, contaminated fractures.

Methods

Surgeries were performed on 20 animals (outbred; Sprague-Dawley strain rats). Each animal received both CSA-coated and standard-of-care titanium pins, with pins randomized to the fifth or sixth vertebrae prior to surgeries. Animals were also randomized to either “Imaging” (imaging analysis) or “Infection” (microbiological analysis) cohorts. Surgeons were blinded to pin types and analyses cohorts. Digital images of pin sites were collected weekly over 12 weeks, and then graded by two orthopaedic surgery residents according to an established Likert scale. Graders were blinded to animal numbers, pin types, and timepoints (Figure 1). For the infection analysis cohort, four specimens per site were subjected to microbiological analysis from each site (i.e. pin, superficial skin swab, deep skin swab, sonicated bone). Each specimen was processed on three different microbiological plates (i.e. BAP, CAN, MAC) using standardized techniques. Imaging analysis was performed by dissecting vertebrae en bloc with pin retained, followed by fixation in 10% neutral buffered formalin for 72 hours. Following a graded ethanol series and storage in 70% ethanol, specimens were scanned with microcomputed tomography (µCT). Statistical analyses were performed to compare pin site appearance (chi-square testing) as well as total bacterial colony counts within each plate cohort and imaging data (Kruskal-Wallis testing); for all tests, significance was set at α=0.05.


Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_5 | Pages 13 - 13
1 Jul 2020
Stone M Smith L Kingsbury S Czoski-Murray C Judge A Pinedo-Villanueva R West R Wright J Smith C Arden N Conaghan P
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Follow-up of arthroplasty varies widely across the UK. The aim of this NIHR-funded study was to employ a mixed-methods approach to examine the requirements for arthroplasty follow-up and produce evidence-based and consensus-based recommendations. It has been supported by BHS, BASK, BOA, ODEP and NJR.

Four interconnected work packages have recently been completed: (1) a systematic literature review; (2a) analysis of routinely collected National Health Service data from four national data sets to understand when and which patients present for revision surgery; (2b) prospective data regarding how patients currently present for revision surgery; (3) economic modelling to simulate long-term costs and quality-adjusted life years associated with different follow-up care models and (4) a Delphi-consensus process, involving all stakeholders, to develop a policy document to guide appropriate follow-up care after primary hip and knee arthroplasty.

We will present the following Recommendations:

For ODEP10A∗ minimum implants, it is safe to disinvest in routine follow-up from 1 to 10 years post non-complex hip and knee replacement provided there is rapid access to orthopaedic review

For ODEP10A∗ minimum implants in complex cases, or non-ODEP10A∗ minimum implants, periodic follow-up post hip and knee replacement may be required from 1 to 10 years

At 10 years post hip and knee replacement, we recommend clinical, which may be virtual, and radiographic evaluation

After 10 years post hip and knee replacement, frequency of further follow-up should be based on the 10-year assessment; ongoing rapid access to orthopaedic review is still required

Overarching statements

These recommendations apply to post primary hip and knee replacement follow-up

The 10-year time point in these recommendations is based on a lack of robust evidence beyond ten years

The term complex cases refer to individual patient and surgical factors that may increase the risk for replacement failure


Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_5 | Pages 89 - 89
1 Apr 2019
Hall D Pourzal R Wright J McCarthy S Jacobs J Urban R
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Introduction

Little is known about the relationship between head-neck corrosion and its effect on periprosthetic tissues and distant organs in the majority of patients hosting apparently well-functioning devices. We studied the degree and type of taper damage and the histopathologic response in periprosthetic tissue and distant organs.

Methods

A total of 50 contemporary THRs (34 primary, 16 revision) retrieved postmortem from 40 patients after 0.4–26 years were studied. Forty-three femoral stems were CoCrMo and 7 were Ti6Al4V. In every case, a CoCrMo-alloy head articulated against a cementless polyethylene cup (19 XLPE and 31 UHMWPE). H&E and IHC sections of the joint pseudocapsules and liver were graded 1–4 for the intensity of various inflammatory cell infiltrates and tissue necrosis. The nature of the tissue response in the joint capsule, liver, spleen, kidneys and lymph nodes was assessed. Wear and corrosion products in the tissues were identified using SEM and EDS. Taper surfaces were graded for corrosion damage using modified Goldberg scoring and examined by SEM to determine the acting corrosion mode. Correlations between damage scores and the histologic variables were generated using the Spearman test.


Orthopaedic Proceedings
Vol. 100-B, Issue SUPP_8 | Pages 5 - 5
1 May 2018
Calder P Koroma P Wright J Goodier D Taylor S Blunn G Moazen M
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Aim

To quantify the micro-motion at the fracture gap in a tibial fracture model stabilised with an external fixator.

Method

A surrogate model of a tibia and a cadaver leg were fractured and stabilised using a two-ring hexapod external fixator. They were tested initially under static loading and then subjected to vibration.