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Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_I | Pages 137 - 137
1 Mar 2009
rajan R Pagdin J Jones S Fernandes J
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Purpose: To alert the Orthopaedic fraternity that smoking needs to be considered in the Paediatric population and highlight it’s adverse effect on bone healing index.

Method: During assessment of Paediatric patients who had undergone limb reconstruction surgery, a sub-population was found to have a prolonged time to consolidation of the regenerate to norm. Screening for contributing factors, we were surprised to learn that this subgroup were active smokers. Revisiting their radiographs, it was felt that the quality of the regenerate appeared to differ from non-smokers.

Results: We identified 12 patients who were active smokers. 2 also had parents who smoked. They all exhibited a prolonged time to regenerate consolidation. We calculated their bone healing indices to compare with non smokers and found significant differences.

Conclusion: Smoking has adverse effects on bone healing in children as well as adults. We have drawn up an advise sheet to make patients and their parents aware of the adverse effects of active and passive smoking on bone healing.


Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_I | Pages 137 - 137
1 Mar 2009
Devalia K Moras P Jones S Pagdin J McMullan J Fernandes J
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Aim: Spinal stenosis is a known entity in achondroplasia and a need for screening for the symptomatic children was identified in a tertiary limb reconstruction service. The aim of this study was to evaluate whether clinical and radiological imaging would identify the at risk group.

Materials and methods: 205 achondroplastic children were treated at our service in the last 20 years. A prospective clinical screening programme for spinal stenosis which also included the MRI imaging of entire spine was however introduced only in 1996. 26 patients were available for this study. Case notes were reviewed for clinical symptoms and neurological signs. MR images were assessed for stenosis especially at Cervico medullary junction and lumbar level. Canal diameters were measured at all spinal levels from CMJ to lumbo-sacral junction. Neurosurgical interventions were recorded. An attempt was made to identify high risk factors that required surgical intervention.

Results: Delayed milestones were observed in 7 patients. Positive history of back pain or radicular pain was obtained in 10 whereas 10 patients had symptoms of neurogenic claudication. Brisk reflexes and clonus were consistent findings. Severe foramen magnum narrowing was observed in 23 patients and 13 showed ‘kinking’ or ‘pinching’, suggesting severe compression. Of the 17 patients seen by neurosurgeons 6 required single or multiple surgical decompressions. Ventriculo-peritoneal shunt was inserted in 4. 5 children required CMJ decompression and one required lumbar canal decompression. There was a 7 mm difference in AP diameter measured on MRI at CMJ between the two non operated and operated groups. Female patients with delayed milestones and CMJ narrowing to less than 25 mm were identified as high risk.

Conclusion: The cause of increased morbidity and mortality in young achondroplasts is attributable to severe CM compression. Sudden death can occur by acute or gradual progressive encroachment of respiratory centre at medulla oblongata. We were able to identify symptomatic patients early before developing myelomalacia and cord changes by screening all symptomatic children with achondroplasia. We propose that female gender, especially with delayed milestones as another high risk factor. We stress upon the importance of developing a nationalised selective screening programme with guidelines in specialist orthopaedic and joint multi-disciplinary Skeletal Dysplasia clinics.


Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_III | Pages 436 - 436
1 Oct 2006
Devalia KL Moras P Pagdin J Jones S Fernandes JA
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Aim of the study: To evaluate the final outcome following joint distraction and reconstruction in patients with complex knee contractures in a select group with varied aetiology.

Materials and methods: Retrospective study of six patients (nine knees, 3 bilateral) with severe knee flexion contractures treated by gradual distraction using ring fixators. Most cases were syndromic or arthrogrypotic.. Case notes and radiographs were reviewed to assess the mobility and functional range of motion before and after the procedure.

Results: Staged procedures was carried out in 6 out of 9 knees accompanied by soft tissue releases, realignment of extensor mechanism and bony and joint realignment. The average age at operation was nine years and nine months and the mean follow up was 53 months. The average time spent in frame was 20 weeks. The correction was graded as good to excellent in 5 knees, fair in 1 and poor in 3 knees. The total arc of motion remained unchanged though the functional range of movement improved. The mobility improved significantly in most patients who were independent walkers with or without splints. Complications were of rebound phenomenon after frame removal in arthrogrypotic children, transient neuropraxia of common peroneal nerve in 2 epiphyseal separation in one and 3 sustained undisplaced fractures during mechanical distraction.

Conclusion: Syndromic and arthrogrypotic knee contractures are difficult to treat due to their severity and complexity. Planned staged procedures with joint distraction, patellar and bony realignment can produce satisfactory outcome in most making them functional independent ambulators.


Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_III | Pages 436 - 437
1 Oct 2006
Pagdin J McKeown E Madan S Jones S Davies A Bell M Fernandes J Saleh M
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Purpose: The aim of this part retrospective and part prospective study was to establish the incidence of pinsite infections and assess evolution of changes in practice

Methods: Data was collected retrospectively and prospectively for pin site infections from the inception of limb reconstruction service viz. 1985 to January 2002. There were 812 patients, 1042 limb segments, and 9935 pins. The various external fixators used were limb reconstruction system (LRS) 549; Ilizarov 397; Sheffield ring fixator (SRF); Dynamic axial fixator (DAF) 35; LRS/Sequoia 8; LRS/Garche 7; and Pennig 5.

Results: The pin site infections were graded from 0 to 6 ( Saleh & Scott). There were no infections in 206 segments. The infection grade is shown below:

We changed our pin tract care practice from 1996. We had a significant decrease in pin tract infections since then (p< 0.0001). We also found that using Ilizarov wires had significantly less infections than with half pins used with monolateral fixators (p< 0.0001; linear trend, p= 0.0338). There were 48 patients that required hospital admissions for IV antibiotics. and of these 10 patients required debridement. There were no residual long lasting infections or chronic osteomyelitis.

Conclusion: Attention to detail in insertion of wires and half pins is crucial to avoid pin site infections. This audit supports the fact that external fixation is a safe method from the point of view of infection contrary to general belief.


Orthopaedic Proceedings
Vol. 86-B, Issue SUPP_III | Pages 236 - 236
1 Mar 2004
Kaufman S Fernandes J Saleh M Pagdin J
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Aims: To review the presentation, progression, treatment, and outcome of congenital posteromedial bow of tibia. Methods: Seventeen patients were studied using radiographs and medical records retrospectively. The time period was from 1989 to 2002. Data was collected with special reference to deformity correction and lengthening. Complications were analysed. Results: Eight of the patients were male and nine female; eleven of them had deformity correction and lengthening, whereas two are awaiting surgery, two underwent contralateral epiphysiodeses and one, periosteal stripping. Twelve were treated with the Ilizarov device, seven with LRS. The range of discrepancy pre – operatively was from 3 to 8.8 cm. Mean length gained was 3.7 cm with residual discrepancy within 0.6 cm. Complications noted were minor grades of infection and 3 patients required further corrective surgery. The bone-healing index was 62 days per cm. There was some decrease in ankle movement noted, this was unchanged or improved post-operatively. Conclusion: Successful simultaneous deformity correction and lengthening for this condition is possible. The Ilizarov frame provided more benefits in reducing complications. This is the largest series of lengthening and correction of this deformity published and the residual deformity and initial length discrepancy is greater than previously stated.