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Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_6 | Pages 25 - 25
2 May 2024
Ajula R Mayne A Cecchi S Ebert J Edwards P Davies P Ricciardo B Annear P D'Alessandro P
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Proximal hamstring tendon avulsion from the ischial tuberosity is a significant injury, with surgical repair shown to have superior functional outcomes compared to non-surgical treatment. However, limited data exists regarding the optimal rehabilitation regime following surgical repair. The aim of this study was to investigate patient outcomes following repair of proximal hamstring tendon avulsions between a conservative (CR) versus an accelerated rehabilitation (AR) regimen.

This prospective randomized controlled trial (RCT) randomised 50 patients undergoing proximal hamstring tendon repair to either a braced, partial weight-bearing rehabilitation regime (CR=25) or an accelerated, unbraced regime, that permitted full weight-bearing as tolerated (AR=25).

Patients were evaluated pre-operatively and at 3 and 6 months post-surgery, via patient-reported outcome measures (PROMs) including the Lower Extremity Functional Scale (LEFS), Perth Hamstring Assessment Tool (PHAT) and 12-item Short Form Health Survey (SF-12). Primary analysis was per protocol and based on linear mixed models.

Both groups were matched at baseline with respect to patient characteristics. All PROMs improved (p>0.05) and, while the AR group reported a significantly better Physical Component Score for the SF-12 at 3 months (p=0.022), there were no other group differences. Peak isometric hamstrings strength and peak isokinetic quadriceps and hamstrings torque symmetry were all comparable between groups (p>0.05). Three re-injuries have been observed (CR=2, AR=1).

After proximal hamstring repair surgery, post-operative outcomes following an accelerated rehabilitation regimen demonstrate comparable outcomes to a traditionally conservative rehabilitation pathway, albeit demonstrating better early physical health-related quality of life scores, without an increased incidence of early re-injury.


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_13 | Pages 4 - 4
7 Aug 2023
Khaleeq T Saeed AZ Ahmed U Ajula R Boutefnouchet T D'Alessandro P Malik S
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Abstract

Customised individually made implants(CIM) total knee arthroplasty(TKA) are custom-made to better fit patients native anatomy and aim to improve outcomes which can be variable with conventional off-the-shelf(OTS).

A systematic review and meta-analysis was conducted searching the MEDLINE and Embase databases. Studies reporting on patient reported outcome measures, clinical or radiological outcomes were included.

23 studies satisfied the search criteria (case-control studies14, case series8, cross-sectional studies1). There were 2,856(CIM) and 1,877(OTS) implants. The overall revision-rate was higher in CIM 5.9%vs3.7%OTS [OR 1.46(95% CI 0.82–2.62)]. MUA was higher in the CIM group 2.2%vs.1.1%OTS [OR 2.95(95% CI 0.95–9.13)] and overall complications rate was also higher in the CIM group 5% vs. 4.5%OTS [OR 1.45(95% CI 0.53–3.96)]. LOS was significantly shorter in the CIM group 2.9 days vs. 3.5 days [MD −0.51(95% CI −0.82–0.20)]. Pooled analysis for KSS showed no difference between CIM and OTS groups(Knee=90.5 vs. 90.6 [MD-0.27,(95% CI −4.27–3.73)] and Function=86.1 vs. 90.6[MD 1.51 (95% CI −3.69–6.70)] component of the scores. There was no significant difference in post-operative ROM between CIM and OTS groups 117.3° vs. 115.0° [MD 0.02,(95% CI −1.70–1.74)].

CIM TKAs has theoretical benefits over OTS TKAs however in this review they were associated with higher complication, MUA and revision rates with no difference in outcome scores and no improvement in target alignment. The findings of this review does not support the use of CIM over OTS prosthesis in total knee arthroplasty.


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_11 | Pages 10 - 10
7 Jun 2023
Mistry D Ahmed U Aujla R Aslam N D'Alessandro P Malik S
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Industries such as agriculture, construction and military have stringent rules about hearing protection due to the risk of noise induced hearing loss (NIHL). Due to the use of power tools, orthopaedic staff may be at risk of the same condition. The UK Health and Safety Executive (HSE) have clear standards as to what is deemed acceptable occupational noise levels on an A-weighted and C weighted scale. This review is aimed to assess evidence on noise exposure testing within Orthopaedic theatres to see if it exceeds the HSE regulations.

A targeted search of online databases PUBMED and EMBASE was conducted using Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) principles. This review was registered prospectively in PROSPERO. An eligibility criterion identifying clinical studies which assessed noise exposure for Orthopaedic staff in theatres were included. Noise exposure data was extracted from these studies and a comparison was made with A weighted and C weighted acceptable exposure levels as quoted in the HSE regulations.

Fourteen papers were deemed eligible, which reviewed 133 Orthopaedic operations and 64 Orthopaedic instruments. In total, 61% (81 of 132) of Orthopaedic operations and 70% (45 of 64) of instruments exceeded the noise regulations on an A weighted scale. 22% (10 of 46) of operations exceeded the maximum C weighted peak acceptable noise level.

Orthopaedic instruments and operations can exceed safe occupational noise levels. NHS Trusts have clear policies about noise exposure in the workplace but have yet to identify Orthopaedic theatres as a potential at risk area. Orthopaedic staff need education, monitoring and protection whereas Employers and Occupational Health should consider assessments to identify at risk staff in Orthopaedic theatres and offer preventative methods from NIHL.


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_3 | Pages 30 - 30
23 Feb 2023
Abdul NM Raymond A Finsterwald M Malik S Aujla R Wilson H Dalgleish S Truter P Giwenewer U Simpson A Mattin A Gohil S Ricciardo B Lam L D'Alessandro P
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Traditionally, sports Injuries have been sub-optimally managed through Emergency Departments (ED) in the public health system due to a lack of adequate referral processes. Fractures are ruled out through plain radiographs followed by a reactive process involving patient initiated further follow up and investigation. Consequently, significant soft tissue and chondral injuries can go undiagnosed during periods in which early intervention can significantly affect natural progression. The purpose of this quality improvement project was to assess the efficacy of an innovative Sports Injury Pathway introduced to detect and treat significant soft tissue injuries.

A Sports Injury Pathway was introduced at Fiona Stanley Hospital (WA, Australia) in April 2019 as a collaboration between the ED, Physiotherapy and Orthopaedic Departments. ED practitioners were advised to have a low threshold for referral, especially in the presence of a history of a twisting knee injury, shoulder dislocation or any suggestion of a hip tendon injury. All referrals were triaged by the Perth Sports Surgery Fellow with early follow-up in our Sports Trauma Clinics with additional investigations if required. A detailed database of all referrals was maintained, and relevant data was extracted for analysis over the first 3 years of this pathway.

570 patients were included in the final analysis. 54% of injuries occurred while playing sport, with AFL injuries constituting the most common contact-sports injury (13%). Advanced Scope Physiotherapists were the largest source of referrals (60%). A total of 460 MRI scans were eventually ordered comprising 81% of total referrals. Regarding Knee MRIs, 86% identified a significant structural injury with ACL injuries being the most common (33%) followed by isolated meniscal tears (16%) and multi-ligament knee injuries (11%). 95% of Shoulder MRI scans showed significant pathology. 39% of patients required surgical management, and of these 50% were performed within 3 months from injury.

The Fiona Stanley Hospital Sports Injury Pathway has demonstrated its clear value in successfully diagnosing and treating an important cohort of patients who present to our Emergency Department. This low threshold/streamlined referral pathway has found that the vast majority of these patients suffer significant structural injuries that may have been otherwise missed, while providing referring practitioners and patients access to prompt imaging and high-quality Orthopaedic sports trauma services. We recommend the implementation of a similar Sports Injury Pathway at all secondary and tertiary Orthopaedic Centres.


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_3 | Pages 91 - 91
23 Feb 2023
Cecchi S Aujla R Edwards P Ebert J Annear P Ricciardo B D'Alessandro P
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Avulsion of the proximal hamstring tendon from the ischial tuberosity is an uncommon but significant injury. Recent literature has highlighted that functional results are superior with surgical repair over non-surgical treatment. Limited data exists regarding the optimal rehabilitation regime in post-operative patients. The aim of this study was to investigate the early interim patient outcomes following repair of proximal hamstring tendon avulsions between a traditionally conservative versus an accelerated rehabilitation regimen.

In this prospective randomised controlled trial (RCT) 50 patients underwent proximal hamstring tendon avulsion repair, and were randomised to either a braced, partial weight-bearing (PWB) rehabilitation regime (CR = 25) or an accelerated, unbraced, immediate full weight-bearing (FWB) regime (AR group; n = 25). Patients were evaluated preoperatively and at 3 months after surgery, using the Lower Extremity Functional Scale (LEFS), Perth Hamstring Assessment Tool (PHAT), visual analog pain scale (VASP), Tegner score, and 12-item Short Survey Form (SF-12). Patients also filled in a diary questioning postoperative pain at rest from Day 2, until week 6 after surgery. Primary analysis was by per protocol and based on linear mixed models.

Both groups, with respect to patient and characteristics were matched at baseline. Over three months, five complications were reported (AR = 3, CR = 2). At 3 months post-surgery, significant improvements (p<0.001) were observed in both groups for all outcomes except the SF-12 MCS (P = 0.623) and the Tegner (P = 0.119). There were no significant between-group differences from baseline to 3 months for any outcomes, except for the SF-12 PCS, which showed significant effects favouring the AR regime (effect size [ES], 0.76; 95% CI, 1.2-13.2; P = .02).

Early outcomes in an accelerated rehabilitation regimen following surgical repair of proximal hamstring tendon avulsions, was comparable to a traditionally conservative rehabilitation pathway, and resulted in better physical health-related quality of life scores at 3 months post-surgery. Further long term follow up and functional assessment planned as part of this study.


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_2 | Pages 6 - 6
10 Feb 2023
Lawless A Ebert J Edwards P Aujla R Finsterwald M Dalgleish S Malik S Raymond R Giwnewer U Simpson A Grant M Leys T D'Alessandro P
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Hamstring grafts have been associated with reduced strength, donor site pain and muscle strains following Anterior Cruciate Ligament Reconstruction (ACLR). Traditional graft fixation methods required both semitendinosus and gracilis tendons to achieve a graft of sufficient length and diameter, but newer techniques allow for shorter, broad single tendon grafts.

This study seeks to compare the outcomes between Single Tendon (ST) and Dual Tendon (DT) ACLR, given there is no prospective randomised controlled trial (RCT) in the literature comparing outcomes between these options.

In this ongoing RCT: (ANZ Clinical Trials Registry ACTRN126200000927921) patients were recruited and randomised into either ST or DT groups. All anaesthetic and surgical techniques were uniform aside from graft technique and tibial fixation. 13 patients were excluded at surgery as their ST graft did not achieve a minimum 8mm diameter. 70 patients (34 ST, 36DT) have been assessed at 6 months, using PROMS including IKDC2000, Lysholm and Modified Cincinnati Knee, visual analog scale for pain frequency (VAS-F) and severity (VAS-S), dedicated donor site morbidity score, KT-1000 assessment, and isokinetic strength.

Graft diameters were significantly lesser in the ST group compared to the DT group (8.44mm/9.11mm mean difference [MD],-0.67mm; P<0.001). There was a significant and moderate effect in lower donor site morbidity in the ST group compared to the DT group (effect size [ES], 0.649; P = .01). No differences between groups were observed for knee laxity in the ACLR limb (P=0.362) or any of the patient-reported outcome measures (P>0.05). Between-group differences were observed for hamstrings strength LSI favouring the ST group, though these were small-to-moderate and non-significant (ES, 0.351; P = .147).

ST (versus DT) harvest results in significantly less donor site morbidity and this is the first prospective RCT to determine this. There were no differences between ST and DT hamstring ACLR were observed in PROMs, knee laxity and hamstring strength. Younger female patients tend to have inadequate single tendon size to produce a graft of sufficient diameter, and alternative techniques should be considered. Further endpoints include radiological analysis, longer term donor site morbidity, revision rates and return to sport and will continue to be presented in the future.


Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_7 | Pages 75 - 75
1 Jul 2022
Aujla R Malik S Dalgleish S Raymond A D'Alessandro P
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Abstract

Introduction

Meniscal repair is an accepted surgical option for meniscal tears. However, there remains trepidation with regard to offering such surgery to older patients. We aim to evaluate the outcomes in these such patients.

Methodology

A single surgeons log was used to identify patients who underwent meniscal repair and were over the age of 40. Patients having concurrent anterior cruciate ligament reconstructions were excluded. Demographic data, surgical data and outcomes (pain visual analogue score (VAS); single assessment numerical evaluation (SANE) and knee injury and osteoarthritis outcome joint replacement (KOOS Jr) score) were collected prospectively. Final outcomes were collected between 6–12 months following surgery.


Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_7 | Pages 97 - 97
1 Jul 2022
Khalefa MA Aujla R Aslam N D'Alessandro P Malik SS
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Abstract

Introduction

Anterior cruciate ligament reconstruction (ACLR) can be performed with a number of different autografts including all soft tissue quadriceps autograft. (QT). QT has several advantages including decreased donor site morbidity, reduced anterior knee pain and comparable revision rates compared to other autografts. The primary aim of this review was to assess all complications of QT in adult population.

Methodology

A systematic review of the literature was conducted on in accordance with the PRISMA guidelines using the online databases Medline and EMBASE. Clinical studies or reporting on soft tissue QT were included and appraised using the Methodological Index for Non-Randomized Studies (MINORS) tool.


Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_7 | Pages 44 - 44
1 Jul 2022
Aujla R Scanlon J Raymond A Ebert J Lam L Gohill S D'Alessandro P
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Abstract

Introduction

The incidence of significant acute chondral injuries with patella dislocation is around 10–15%. It is accepted that chondral procedures should only be performed in the presence of joint stability.

Methodology

Patients were identified from surgeon/hospital logs. Patient demographics, lesion size and location, surgical procedure, patient reported outcome measures, post-operative MR imaging and complications were recorded. PROMs and patient satisfaction was obtained.