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Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_5 | Pages 8 - 8
23 Apr 2024
Senan R Linkogel W Marwan Y Staniland T Sharma H
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Introduction

Knee arthrodesis is a useful limb salvage technique to maintain function in patients with complex and infected total knee arthroplasties (TKA). There are a number of commonly used external fixators, but no consensus on which of these are optimal.

The aim of this study was to synthesise the current literature to guide clinical decision making and improve patient outcomes. We systematically review the literature to compare outcomes of external fixators in arthrodesis following infected TKA.

Materials & Methods

A systematic review of the literature of primary research articles investigating the use of external fixators for knee arthrodesis after an infected TKA was conducted. Relevant articles were identified with a search strategy on online databases (EMBASE and Medline) and reviewed by two independent reviewers.

Clinical outcome measures were independently extracted by two reviewers which included union rate, infection eradication rate, complication rate, time to fusion, and time in frame.


Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_5 | Pages 13 - 13
23 Apr 2024
Lister J McDaid C Hewitt C Leggett H James S Sharma H
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Introduction

There are concerns that patient-reported outcome measures (PROMs) currently used for adults requiring, undergoing or after undergoing lower limb reconstruction (LLR) are not adequately capturing the range of experiences important to these patients. The ‘Patient-Reported Outcome Measure for Lower Limb Reconstruction’ (PROLLIT) study developed a conceptual framework of outcomes identified as important and relevant by adult LLR patients. This review explored whether existing PROMs address these outcomes, and exhibit content validity in this population.

Materials & Methods

A range of key PROMs was selected (n=32). Systematic and hand-searches were employed to find studies assessing content validity of these PROMs in the adult LLR population, along with PROM content and development information. A systematic review of content validity of the measures was carried out following ‘COnsensus-based Standards for the selection of health Measurement Instruments’ (COSMIN) guidance, alongside conceptual mapping of the content of the PROMs against the PROLLIT conceptual framework.


Introduction

Schatzker V & VI tibial plateau fractures are serious life-changing injuries often resulting in significant complications including post-traumatic arthritis. Reported incidence of secondary TKA following ORIF of all tibial plateau fractures is 7.3% and 13% for Schatzker V & VI tibial. This study reports a 15-year single centre experience of CEF of Schatzker V & VI fractures including PROMs and incidence of secondary TKA. This study was approved by the local Institutional board.

Materials & Methods

All patients from 2007 – 2022 with Schatzker V or VI fractures treated with CEF were identified from a departmental limb reconstruction registry and included in this retrospective study. Patients’ demographics were collected from electronic institutional patient system. Further data was collected for secondary intervention, adverse events, and alignment at discharge. All deceased patients at the time of the study were excluded.

Each participant completed a questionnaire about secondary intervention, EQ-5D-3L and Oxford Knee Score (OKS).


Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_5 | Pages 30 - 30
23 Apr 2024
Muscogliati R Muscogliati E Groom W Al-Zubaidi O Afeez A Moulder E Muir R Sharma H
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Introduction

Circular external frames (CEF) are commonly used for a wide variety of indications, often when other devices are not appropriate. Circular frames are particularly associated with pin-site infection (PSI). Currently there is a gap in the available literature surrounding the risk of frame use with in-situ prosthetic joints. This retrospective study investigated the incidence of prosthetic joint infection (PJI) in a series of patients with in-situ arthroplasties treated with CEF.

Materials & Methods

From a departmental database of 1052 frames performed from March 2007-March 2023, the outcomes of 34 patients (40 frames) with in-situ arthroplasties at the time of CEF were reviewed (mean follow-up 70 months). Patient identification was by review of all local and regional imaging. The primary outcome was development of PJI during or following CEF and subsequent need for surgical intervention. Secondary outcomes were development of superficial pin site or deep bone infection (without PJI).


Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_5 | Pages 11 - 11
23 Apr 2024
Lineham B Faraj A Hammet F Barron E Hadland Y Moulder E Muir R Sharma H
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Introduction

Intra articular distal tibia fractures can lead to post-traumatic osteoarthritis. Joint distraction has shown promise in elective cases. However, its application in acute fractures remains unexplored. This pilot study aims to fill this knowledge gap by investigating the benefits of joint distraction in acute fractures.

Materials & Methods

We undertook a restrospective cohort study comprising patients with intra-articular distal tibia and pilon fractures treated with a circular ring fixator (CRF) at a single center. Prospective data collection included radiological assessments, Patient-Reported Outcome Measures (PROM), necessity for additional procedures, and Kellgren and Lawrence grade (KL) for osteoarthritis (OA).

137 patients were included in the study, 30 in the distraction group and 107 in the non-distraction group. There was no significant difference between the groups.


Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_5 | Pages 28 - 28
23 Apr 2024
Hodkinson T Groom W Souroullas P Moulder E Muir R Sharma H
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Introduction

Frame configuration for the management of complex tibial fractures is highly variable and is dependent not only on fracture pattern and soft tissue condition but also surgeon preference. The optimal number of rings to use when designing a frame remains uncertain. Traditionally, larger, stiffer constructs with multiple rings per segment were thought to offer optimal conditions for bone healing, however, the concept of reverse dynamisation questions this approach.

Materials & Methods

We compared clinical outcomes in 302 consecutive patients with tibial fractures treated in our unit with either a two-ring circular frame or a three-or-more-ring (3+) frame. The primary outcome measure was time spent in frame. Secondary outcomes were the incidence of malunion and the need for further surgical procedures to achieve bone union. The groups were evenly matched for age, co-morbidities, energy of injury mechanism, fracture classification, post-treatment alignment and presence of an open fracture.


Bone & Joint Open
Vol. 4, Issue 8 | Pages 643 - 651
24 Aug 2023
Langit MB Tay KS Al-Omar HK Barlow G Bates J Chuo CB Muir R Sharma H

Aims

The standard of wide tumour-like resection for chronic osteomyelitis (COM) has been challenged recently by adequate debridement. This paper reviews the evolution of surgical debridement for long bone COM, and presents the outcome of adequate debridement in a tertiary bone infection unit.

Methods

We analyzed the retrospective record review from 2014 to 2020 of patients with long bone COM. All were managed by multidisciplinary infection team (MDT) protocol. Adequate debridement was employed for all cases, and no case of wide resection was included.


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_10 | Pages 2 - 2
1 Jun 2023
Tay KS Langit M Muir R Moulder E Sharma H
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Introduction

Circular frames for ankle fusion are usually reserved for complex clinical scenarios. Current literature is heterogenous and difficult to interpret. We aimed to study the indications and outcomes of this procedure in detail.

Materials & Methods

A retrospective cohort study was performed based on a prospective database of frame surgeries performed in a tertiary institution. Inclusion criteria were patients undergoing complex ankle fusion with circular frames between 2005 and 2020, with a minimum 12-month follow up. Data were collected on patient demographics, surgical indications, comorbidities, surgical procedures, external fixator time (EFT), length of stay (LOS), radiological and clinical outcomes, and adverse events. Factors influencing radiological and clinical outcomes were analysed.


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_10 | Pages 4 - 4
1 Jun 2023
Langit M Tay K Al-Omar HK Muir R Bates J Chuo CB Barlow G Sharma H
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Introduction

Wide, tumor-like resection for chronic osteomyelitis (COM), a standard practice previously, has been challenged recently with adequate, local debridement. This paper reviews the evolution of surgical debridement for long bone osteomyelitis, and presents the outcome of adequate debridement in a tertiary bone infection unit.

Materials & Methods

Retrospective review of records from 2014 to 2020 of patients with long bone osteomyelitis. All records were searched electronically and imaging reviewed. All patients were managed by Multidisciplinary Infection Team protocol.


Bone & Joint Open
Vol. 4, Issue 3 | Pages 146 - 157
7 Mar 2023
Camilleri-Brennan J James S McDaid C Adamson J Jones K O'Carroll G Akhter Z Eltayeb M Sharma H

Aims

Chronic osteomyelitis (COM) of the lower limb in adults can be surgically managed by either limb reconstruction or amputation. This scoping review aims to map the outcomes used in studies surgically managing COM in order to aid future development of a core outcome set.

Methods

A total of 11 databases were searched. A subset of studies published between 1 October 2020 and 1 January 2011 from a larger review mapping research on limb reconstruction and limb amputation for the management of lower limb COM were eligible. All outcomes were extracted and recorded verbatim. Outcomes were grouped and categorized as per the revised Williamson and Clarke taxonomy.


Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_5 | Pages 28 - 28
1 Apr 2022
Leggett H Scantlebury A Hewitt C Sharma H McDaid C
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Introduction

We undertook a qualitative study to explore what is important to people with lower limb conditions requiring reconstruction (LLR) and how it impacted their quality of life (QOL), in order to develop a conceptual framework for a new patient reported outcome measure (PROM). This builds on a previous qualitative evidence synthesis of existing research to develop a preliminary conceptual framework as part of the Patient Reported Outcomes for Lower Limb Reconstruction (PROLLIT) study.

Materials and Methods

Patients (n=32) and Orthopaedic staff (n=23) were interviewed (November 2020-June 2021) from three centres in England using one-to-one, semi-structured interviews. Patient interviews focused on experiences during and after LLR, including impact on QOL. Staff interviews explored important outcomes and goals for patients and how the LLR impacted QOL. Recordings were transcribed verbatim and analysed using thematic analysis.


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_6 | Pages 46 - 46
1 May 2021
Pickles E Sourroullas P Palanivel A Muir R Moulder E Sharma H
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Introduction

Deformity influences the weight bearing stresses on the knee joint. Correction of mechanical alignment is performed to offload the knee and slow the rate of degenerative change. Fixator assisted deformity correction facilitates accurate correction prior to internal fixation. We present our results with standard Ilizarov and UNYCO system assisted deformity correction of the lower limb.

Materials and Methods

Retrospective analysis of adult surgical cases of mechanical re-alignment performed between 2010 and 2019 in a tertiary referral centre. We recorded standard demographics and operative time from the electronic patient record. We analysed digitalised radiographs to record pre- and post-operative measurements of: Mechanical axis deviation (MAD), femoral tibial angle (FTA), Medial Proximal tibial angle (MPTA) and Mechanical lateral distal femoral angle (mLDFA). The accuracy of the correction was analysed. Time to healing, secondary interventions and complications were also recorded.


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_6 | Pages 18 - 18
1 May 2021
McDaid C Sharma H Leggett H Scantlebury A Hewitt C
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Introduction

There are currently no quality of life Patient Reported Outcome Measures (PROMs) that have been validated for patients with conditions requiring lower limb reconstructive surgery. The extent to which current generic and lower limb specific PROMs address relevant dimensions for these patients is unclear.

Materials and Methods

We will present an overview of the PROLLIT (Patient-Reported Outcome Measure for Lower Limb Reconstruction) mixed-methods study. PROLLIT aims to establish the adequacy of current PROMS for this population, whether a new measure is required, and to develop a new measure if appropriate.


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_6 | Pages 21 - 21
1 May 2021
Leggett H Scantlebury A Byrne A Harden M Hewitt C O'Carroll G Sharma H McDaid C
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Introduction

Patient reported outcome measures (PROMs) are used to understand the impact of lower limb reconstruction on patient's quality of life (QOL). Existing measures have not been developed to specifically capture patient experiences amongst adults with lower limb conditions that require reconstruction surgery. This systematic review of qualitative studies (qualitative evidence synthesis) aimed to identify what is important to these patients.

Materials and Methods

MEDLINE, Embase, PsychINFO and Cinahl were searched from inception until November 2020. Studies were included if they employed qualitative research methods, involved patients requiring, undergoing or following lower limb reconstruction and explored patients' experiences of care, treatment, recovery and QOL. Mixed methods/population studies that did not separate the findings from each group and studies not in English were excluded. Included studies were analysed using thematic synthesis. The review followed the methodological framework published by the Cochrane Qualitative and Implementation Methods Group for qualitative evidence syntheses.


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_6 | Pages 24 - 24
1 May 2021
Ting J Muir R Moulder E Hadland Y Barron E Sharma H
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Introduction

Superficial pin site infection is a common problem associated with external fixation, which has been extensively reported. However, the incidence and risk factors with regards to deep infection is rarely reported in the literature. In this study, we investigate and explore the incidence and risk factors of deep infection following circular frame surgery. For the purpose of this study, deep infection was defined as: persistent discharge or collection for which surgical intervention was recommended.

Materials and Methods

Retrospective review of all patients whom underwent frame surgery between 1st of April 2015 to 1st April 2019 in our unit with a minimum of 1 year follow up following frame removal. We recorded patient demographics, patient risk factors, trauma or elective procedure, number of days the frame was in situ, location of infection and fracture pattern.


Bone & Joint Open
Vol. 1, Issue 10 | Pages 628 - 638
6 Oct 2020
Mott A Mitchell A McDaid C Harden M Grupping R Dean A Byrne A Doherty L Sharma H

Aims

Bone demonstrates good healing capacity, with a variety of strategies being utilized to enhance this healing. One potential strategy that has been suggested is the use of stem cells to accelerate healing.

Methods

The following databases were searched: MEDLINE, CENTRAL, EMBASE, Cochrane Database of Systematic Reviews, WHO-ICTRP, ClinicalTrials.gov, as well as reference checking of included studies. The inclusion criteria for the study were: population (any adults who have sustained a fracture, not including those with pre-existing bone defects); intervention (use of stem cells from any source in the fracture site by any mechanism); and control (fracture healing without the use of stem cells). Studies without a comparator were also included. The outcome was any reported outcomes. The study design was randomized controlled trials, non-randomized or observational studies, and case series.


Orthopaedic Proceedings
Vol. 100-B, Issue SUPP_17 | Pages 78 - 78
1 Dec 2018
Pincher B Fenton C Jeyapalan R Barlow G Sharma H
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Aim

Despite advances in surgical and antibiotic therapies the treatment of chronic osteomyelitis remains complex and is often associated with a significant financial burden to the National Health Service. The aim of this review was to identify the different types of single-stage procedures being performed for this condition as well as to evaluate their effectiveness.

Method

Ovid Medline and Embase databases were searched for articles on the treatment of chronic osteomyelitis over the last 20 years. 3511 journal abstracts were screened by 3 independent reviewers. Following the exclusion of paediatric subjects, animal models, non-bacterial osteomyelitis and patients undergoing multiple surgical procedures we identified 13 studies reported in English with a minimum follow up of 12 months. Following a quality assessment of each study, data extraction was performed and the results analysed.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_16 | Pages 135 - 135
1 Dec 2015
Chaturvedi A Barlow G Sharma H
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The management of chronic osteomyelitis is fraught with difficulties; a multi-disciplinary team approach is recommended for optimum outcome. Thorough debridement, dead space management and organism targeted antibiotic therapy the gives best clinical results. Calcium sulphate beads impregnated with antibiotic is an absorbable option for prolonged local antibiotic elution and dead space management.

This study aims to analyse the early results of single stage management of osteomyelitis with antibiotic impregnated calcium sulphate beads. Following surgical debridement, calcium sulphate impregnated typically with tobramycin and/or vancomycin is inserted to obliterate the dead space. Intravenous antibiotics – typically teicoplanin and piperacillin-tazobactam – are administered until culture results permit rationalisation to narrow spectrum agents. Patients are followed up in Infectious Diseases and Orthopaedic clinics for a period of 12 months and discharged if quiescence is achieved.

We conducted a retrospective analysis of our prospective database to identify patients treated with our single stage protocol for chronic osteomyelitis. We excluded patients that had (1) less than 6 months of follow up, (2) incomplete metal-ware removal, (3) patients lost to follow up. Fourteen patients (9 men, 5 women) with mean age of 41 (16–73) years and mean follow up of 9 (6–12) months were included in study. Eleven patients had previous surgeries involving internal fixation; the rest were primary osteomyelitis. Seven patients had washouts and removal of metal-ware procedures for osteomyelitis prior to referral to the bone infection service. Clinical, radiographic, and laboratory (microbiological, biochemical and haematological) methods were used to monitor response to treatment.

Cierney-Mader classification determined that 8 patients were classed as type A (normal hosts); 4 as BS (systemically compromised); 2 as BLS (locally and systemically compromised). Anatomic analysis suggested 7 were Type 1 (medullary osteomyelitis); the remaining 7 were type 3 (localised disease). Five patients were staged IA; three each staged IIIA and IIIBS; and one each staged IBs, IBLS, IIIBLS.

Staphylococcus Aureus was the commonest causative organism.

Follow up radiograph monitoring indicated absorption of the beads by 3 months.

There has been no evidence of recurrence based on clinical, radiographic and blood based parameters in all patients.

Short-term results of single stage osteomyelitis treatment with calcium sulphate beads impregnated with antibiotics are promising.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_16 | Pages 142 - 142
1 Dec 2015
Chuo C Sharma H Kilshaw A Barlow G Bates J Platt A
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Open fractures of the long bones of the limbs are associated with an increased risk of osteomyelitis and few studies investigate this complication in circular frames. We reviewed the incidence of and contributory factors toward infection-related outcomes in Grade 3 open fractures, managed with a circular frame, at a single centre.

We performed a retrospective study of consecutive adult patients presenting with a Grade 3 open fracture, who required a circular frame for definitive skeletal fixation from 2005 to 2014. Patient case notes, microbiology results and radiological studies were reviewed for demographic details and surgical management. Infection-related outcomes were classified as ‘possible’ and ‘definitive’, based on clinical findings, microbiology and imaging features at follow-up at 6 and 12 months.

74 patients were identified with an average age of 43 years. There were 70 unilateral and 4 bilateral limb injuries. Most treated limbs had a tibial fracture (97%). There were 24 Gustillo-Anderson grade 3A, 37 grade 3B, 4 grade 3C and 9 not sub-classified. 33% of patients were debrided on the day of injury. Average time to circular frame installation was 14 days. 27 Ilizarov, 44 Taylor spatial and 3 other circular frames were used. A variety of plastic surgery reconstruction was used to provide wound coverage: skin grafts, local and free flaps. Circular frames were in place for 259 days on average. 10 patients (1 bilateral limb fracture) still have their frames in-situ. Additional bone grafting to the fracture site was carried out in 13 patients and 15 limbs (1 patient had 2 episodes of bone grafting to the same limb). 8 limbs in 8 patients were excluded from infection-related outcome analysis: 4 patients lost to follow-up, 2 patients who went on to below knee amputation and 2 patients had <6 months’ follow-up. 13 patients (14 limbs) had only 6 months’ follow-up and 53 patients (56 limbs) had 12 months’ follow-up. There were 5 patients (5 limbs) with ‘possible’ infection (7%): 1 screw infection and 4 soft tissue infections. 1 patient (1 limb) had a tissue-confirmed ‘definitive’ infected non-union (1.4%).

Patients managed with circular frames typically have complex fracture configurations less amenable to other methods of definitive fixation. Our patient cohort has a limb salvage rate (97%) and a soft tissue infection rate (‘possible’ infection) comparable to other reported series. We report a low rate of osteomyelitis (‘definitive’ infection) in consecutive patients managed using our protocol.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_16 | Pages 119 - 119
1 Dec 2015
Sharma H Dearden P Lowery K Gavin B Platt A
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Chronic osteomyelitis is a challenging problem and a growing burden for the National Health Service. Conventional method of treatment is 2 stage surgery, with debridement and prolonged courses of antibiotics. Recently single stage treatment of chronic osteomyelitis is gaining popularity due decreased patient morbidity and cost effectiveness. Dead space management in single stage treatment is accomplished by either a muscle / myocutaneous or antibiotic loaded calcium sulphate beads.

We analysed the cost effectiveness of two dead space management strategies in single stage treatment of osteomyelitis. Study is designed to analyse the health economics at 2 time points; 45 days post surgery and 2 years post surgery. We report preliminary results at 45 days post surgery.

Setting – Level 1 trauma centre and university hospital

Approval – Ethics committee approved study

10 patients in each group were retrospectively analysed through patient records. Each group was identified for standard demographics, duration of procedure, hospital stay, type and duration of postoperative antibiotics, number of out patient visits in first 45 days and recurrence of infection.

Table attached details the results of both groups

In health technology assessment four quadrant model, CSB appears in quadrant II suggesting that it is more cost effective.

Based on small data set and on assessment only evaluating cost, at 45 days assessment, antibiotic calcium sulphate beads from a Health Economic Cost Effectiveness Analysis offers a better economic outcome. This is holding constant the morbidity of the patients and effectiveness, assuming both treatments are standards of care, which is best evaluated at 24 months.

Acknowledgements

Biocomposites for funding the cost of health economist.