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Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_11 | Pages 2 - 2
4 Jun 2024
Townshend D Bing A Clough T Sharpe I Blundell C Davenport J Davies H Davis J Dhar S Goldberg A Karski M Hepple S Kakwani R McKinley J Murty A Ragland M Shalaby H Smith R Taylor H
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Introduction

This is a multi-centre, prospective, observational study of 503 INFINITY fixed bearing total ankle arthroplasties. We report the minimum two-year results of this prosthesis which was introduced to the UK Market in 2014 and is now the most used ankle arthroplasty in the National Joint Registry of England and Wales.

Methods

Patients were recruited from 11 centres in the United Kingdom between June 2016 and November 2019. Demographic, radiographic, and functional outcome data (Ankle Osteoarthritis Scale, Manchester Oxford Foot Ankle Questionnaire and Euroquol 5D-5L) were collected preoperatively, at 6 months, 1 year and 2 years and 5 years. The average age was 67.8 (range 23.9 to 88.5) and average BMI 29.3 (18.9 to 48.0). The COFAS grading system was used to stratify deformity. There were 261 (51.9%) COFAS Type 1, 122 (24.2%) COFAS Type 2, 31 (6.2%) COFAS 3 and 89 (17.7%) COFAS type 4. 38 patients (7.6%) presented with inflammatory arthritis. 99 (19.7%) implantations utilised patient specific instrumentation. Complications and reoperations were recorded as adverse events. Radiographs were assessed for lucencies, cysts and/or subsidence.


Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_4 | Pages 10 - 10
1 Mar 2020
Place Z Shalaby H McKinley J
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We report a cost-effectiveness analysis of Primary Total Ankle Replacements (TAR). In addition, we looked for factors that could be predictors of increased gain in Quality-Adjusted Life Years (QALYs).

Pre-operative and six-month post-operative data for TAR was obtained over seven-and-a-half-years in NHS Lothian. The EuroQol general health questionnaire (EQ-5D-3L) measured health-related Quality of Life and the Manchester-Oxford Foot Questionnaire (MOXFQ) measured joint function. Predictors, tested for significance with QALYs gained, were pre-operative scores and demographic data including age, gender, BMI and Deprivation category. Continuous variables were assessed with Pearson correlation coefficients, Deprivation and BMI categories with Boxplots and gender with the Mann-Whitney U test.

The 74-patient cohort [Mean age 68.03 (SD 8.61), 60.8% male] had 49% classed as obese or higher. Cost per QALY gained was £3841, rising to £9202 when annual 3.5% reduction in health gains and 1.9% revision rates were included. Lower pre-operative EQ-5D-3L index correlated significantly with increased QALYs gained (p <0.01), all other predictors returned insignificant results (p >0.05).

Primary TAR has proven very cost-effective in treating end-stage ankle arthritis. Pre-operative EQ-5D-3L is the most promising predictor of QALYs gained identified.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_18 | Pages 1 - 1
1 Nov 2017
Bucknall V Rutherford D Macdonald D Shalaby H McKinley J Breusch S
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Patient reported outcomes and satisfaction scores following excision of interdigital Morton's neuroma have been recently established. However, little is known regarding what patient factors affect these outcomes. This is the first and largest prospective study to determine which patient factors influence surgical outcome following Morton's neuroma excision.

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

Obesity, deprivation and revision surgery proved to statistically worsen MOXFQ outcomes post-operatively (p=0.005, p=0.002 and p=0.004 respectively). Deprivation significantly worsened the mental component of the SF12 (p=0.043) and depression the physical component (p=0.026). No difference in outcome was identified for age, sex, time from diagnosis to surgery, multiple neuroma excision and other forefoot surgeries. 23.5percnt; of deprived patients were dissatisfied with their surgery compared to 7percnt; of the remaining cohort.

Patient reported outcomes following resection of symptomatic Morton's neuroma are shown to be less favourable in those patients who display characteristics of obesity, depression, deprivation and in those who undertake revision neuroma resection. Surgery can be safely delayed, as time to surgery from diagnosis bears no impact on clinical outcome.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 27 - 27
1 Dec 2015
Bucknall V Rutherford D Macdonald D Shalaby H McKinley J Breusch S
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Current knowledge regarding outcomes following surgical treatment of Morton's neuroma remains incomplete. This is the first prospective study to report the pre- and post-operative patient reported outcomes and satisfaction scores following excision of interdigital Morton's neuroma.

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

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

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


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_17 | Pages 3 - 3
1 Dec 2015
Bucknall V Rutherford D Macdonald D Shalaby H McKinley J Breusch S
Full Access

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

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

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

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


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 25 - 25
1 Dec 2015
Dall G Clement N McDonald D Ahmed I Duckworth A Shalaby H McKinley J
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We present a review of 97 consecutive BioPro® metallic hemiarthroplasties performed in 80 patients for end-stage hallux rigidus, with a minimum of five years follow-up.

The mean age of the cohort was 55 (22 to 74) years. No patient was lost to follow-up. There were 15 revisions performed, one for infection, two for osteolysis, and 12 for pain. The all cause survival rate at five years was 85.6% (95% confidence interval (CI) 83.5 to 87.9). Younger age was a significant predictor of revision (odds ratio 1.09, 95% CI 1.02 to 1.17, p=0.014) on excluding infection and adjusting for confounding variables (Cox regression). Significant improvements were demonstrated at 5 years in the Manchester Oxford foot questionnaire (13.9, 95% CI 10.5 to 17.2) and in the physical component of the short form 12 score (6.5, 95% CI 4.1 to 8.9). The overall satisfaction rate was 72%. The cost per quality-adjusted-life-year at 5 years, accounting for a 3% per year revision rate, was £3,714.

The BioPro offers good short to mid-term functional outcome and is a cost effective intervention. The relative high revision rate is associated with younger age and the use of this implant may be limited to older patients.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_21 | Pages 5 - 5
1 Apr 2013
Shalaby H Wood A Keenan A Arthur C
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Introduction

Longstanding complex muliplanar foot deformities represent a significant challenge. The traditional surgical techniques involve excessive dissection and excision of large bony wedges or modifications of the triple fusion to correct the deformity. The majority of the reports in the literature present collective data on different deformity patterns and also mix paediatric and adult patients, even with multiple correction techniques. The aim of this study was to evaluate the clinical, radiological and functional outcomes of the gradual correction of a single common deformity pattern of equino-cavo-varus using a single correction technique of the V-osteotomy and the Ilizarov frame.

Material and methods

We present prospectively collected data on 40 feet in 35 adult patients with stiff longstanding equino-cavo-varus deformity. All patients had a V-osteotomy and gradual correction using an Ilizarov frame, with a mean follow-up of 20 months. We collected the American Orthopaedic Foot and Ankle Scocity score (AOFAS), the Foot and Ankle Disability Index (FADI) and a Visual Analogue Pain score (VAS) for all ptients preoperatively and between 1 and 2 years following frame removal.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_21 | Pages 2 - 2
1 Apr 2013
Shalaby H
Full Access

Aim

Young patients with ankle arthritis that remains symptomatic in spite of conservative treatment and following arthroscopic debridement are usually offered either ankle fusion or ankle replacement. Both these options are far from ideal in this age group. The aim of this study was to evaluate functional outcomes following ankle distraction to determine whether it is a reliable alternative for the treatment of ankle arthritis in young adults.

Material and methods

Data was collected prospectively for 15 patients (9 males and 6 females, mean age 31.9 years) with “stage 2” ankle arthritis who failed conservative treatment and continued to be symptomatic following arthroscopic ankle debridement. Distraction of 8 mm was done using a dynamic constrained ankle circular frame and all patients were allowed full weight bearing all through the distraction process. The subjective functional evaluation was based on the American Orthopaedic Foot and Ankle Score (AOFAS), the Foot Disability Index (FADI) and the Visual Analogue Score (VAS). In 10 patients the Manchester Oxford Foot questionnaire (MOXFQ) and the Short Form (SF) 12 patient satisfaction questionnaire were also filled preoperatively and at final follow up.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_III | Pages 315 - 315
1 Jul 2011
Wharton D Shalaby H Graham K Nayagam D
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Aims: Osteomyelitis after open injuries or internal fixation of forearm fractures is uncommon. Established chronic infections do not respond fully to antibiotic suppression or limited debridement. We describe a two-stage treatment of segmental chronic osteomyelitis where wide excision of the affected area was followed by spanning external fixation and supplementary local and systemic antibiotic delivery. The bony defect was subsequently filled by vascularised fibula transfer, held by internal or external fixation.

Methods: Eleven male patients (mean age 41 years) with post-traumatic segmental chronic osteomyelitis were reviewed. There were 6 radii and 5 ulnas; the mean post-debridement defect was 7.7cm (range 5–11cm). The first stage involved wide excision and metalwork removal, followed by application of a spanning external fixator to restore distal radio-ulnar congruency. Gradual distraction was needed in some cases with long standing subluxation. ‘Dead-space’ management used gentamicin beads or gentamicin-loaded calcium sulphate, supplemented with systemic antibiotics according to tissue culture results.

A second stage reconstruction was performed after 4–6 weeks, using a free vascularised fibular graft, fixed using internal and/or external fixation.

Results: The mean follow-up period was 42.4 months. There was no recurrence of infection and union occurred at both graft-host junctions in all patients. The mean period to radiographic bone union was 4.4 months (range 4–6 months).

Patients gained an average of 46° forearm rotation (range 0–105°) with wrist or elbow motion significantly improved in 3 patients. At last review, all patients had a pain-free stable forearm with unhindered hand functions of grasp, hook and pinch. SF-36 assessment showed varied results, although mean values for the physical components of the survey were lower than general population values, while mental/emotional scores were as good.

Conclusions: Staged reconstruction, as described, is a suitable treatment strategy for this challenging problem and produces a good functional outcome.


Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_I | Pages 125 - 125
1 Mar 2006
Shalaby H Hefny H Thakeb M El-kawy S Elmoatasem E
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Introduction & Aim: The usual clinical presentation in Fibular hemimelia involves equinovalgus deformity of the foot and ankle instability with absence of the lateral rays of the foot. The aim of this study is to evaluate the results of ankle joint reconstruction, using remnants of the fibula, fibular analge or contra lateral fibular graft, in conjunction with the Ilizarov Technique.

Methods: We reviewed 13 limb segments in 12 patients with fibular hemimelia, with an average age of 4.7 years. According to Catagni’s classification 2 limbs were type I, 1 limb was type II and 10 limbs were type III. The ankle joint was reconstructed using remnants of the fibula if present in type I, fibular analge or a contra lateral fibular graft. The Ilizarov technique was then used to correct limb length discrepancy and any concomitant deformities.

Results: The results were assessed by the satisfaction of patients and families, the functional outcome in terms of daily activities and clinical examination of the patients. A satisfactory stability of the ankle foot complex was achieved in all patients. The average lengthening achieved using the frame was 5.6 cm and all limbs were equalized to within 2 cm.

Conclusion: Reconstruction of the ankle joint bring the foot in good position, preserves the ankle joint motion, facilitate fitting shoes and stabilize the joint in a more normal way compared to distal tibial osteotomies. The ilizarov technique corrects the concomitant deformity and achieves an equal limb length. The combination of both techniques provides a better outcome compared to other treatment modalities.


Orthopaedic Proceedings
Vol. 87-B, Issue SUPP_III | Pages 396 - 396
1 Sep 2005
Hefny PH Thakeb M El-kawy S Shalaby H Elmoatasem E
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Introduction: The usual clinical presentation of fibular hemimelia is of leg discrepancy, an equinovalgus deformity of the foot, ankle instability and the absence of the lateral rays of the foot. The aim of this study is to evaluate the results of ankle joint reconstruction, using remnants of the fibula, fibular analge or contra lateral fibular graft, in conjunction with the Ilizarov Technique.

Methods: Thirteen limb segments in 12 patients with fibular hemimelia were reviewed, with an average age of 4.7 years. According to Catagni’s classification 2 limbs were type I, 1 limb was type II and 10 limbs were type III. The ankle joint was reconstructed using remnants of the fibula if present in type I, fibular analge or a contra lateral fibular graft. The Ilizarov technique was the used to correct limb length discrepancy and any concomitant deformities.

Results: The functional outcome was assessed by the ability to undertake daily activities. All cases were clinically examined and the satisfaction of the patients and family were assessed. A satisfactory stability of the ankle foot complex was achieved in all patients. The average lengthening achieved using the frame was 5.6 cm and all limbs were equalized to within 2 cm of the contralateral side.

Discussion: Reconstruction of the ankle joint brings the foot into a good position, preserves the ankle joint motion, facilitates fitting shoes and stabilizes the joint in a more normal position compared to distal tibial osteotomies. The Ilizarov technique corrects the concomitant deformity and achieves a near normal limb length. The combination of both techniques provides a better outcome compared to other treatment modalities.