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Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_15 | Pages 4 - 4
1 Sep 2016
Vasukutty NL King A Uglow MG
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Originally used for correction of angular malalignment, 2 hole plate epiphyseodesis has recently gained popularity in paediatric orthopaedic practice for the correction of leg length discrepancy. In this study we aim to assess the efficiency of guided growth plates in correcting leg length discrepancy

Thirty-three children treated for leg length discrepancy with guided growth plates (“8-Plate”, Orthofix, Inc and “I-Plate”, Orthopediatrics) in a tertiary referral centre were retrospectively analysed. Medial and Lateral plates were inserted for symmetrical growth reduction and patients were followed up with clinical and radiological assessment. Thirty patients had distal femoral epiphyseodesis and three had proximal tibial epiphyseodesis. Leg lengths and individual bone lengths were measured from pre and post – operative radiographs. The angle between the screws was measured from radiographs taken intra operatively and at the time of final follow up to assess screw divergence with growth. Efficiency was calculated as the ratio of growth inhibition achieved to the projected discrepancy at maturity if left untreated.

At a mean follow up of 17 months (4–30 m) leg length discrepancy improved from a mean of 30 mm (50–15mm) to 13 mm (2.5–39mm) (p < 0.01). The angle between screws increased from 6 degrees to 26 degrees over the follow up period. Efficiency was found to be 66%. There were 5 patients with angular deformity who needed plate removal and 2 patients developed superficial infection that responded to oral antibiotics.

Epiphyseodesis using guided growth plates is an effective way to correct leg length discrepancy as it is a reversible procedure. Patients undergoing this treatment should be kept under close follow up to prevent development of angular malalignment. Inserting the screws in a divergent fashion at the outset may increase the effectiveness of this procedure.


Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_II | Pages 215 - 215
1 May 2009
Valentine KM Uglow MG Clarke NMP
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Aim: To compare the rate of relapse of Ponseti treatment method with a historical cohort who underwent conventional surgery.

Method and Results: From June 2002 to December 2004, 70 patients presented with 107 clubfeet and started the Ponseti treatment method. 15 feet in 9 patients were excluded due to teratologic deformity. 50 patients with 75 clubfeet were studied (41 boys and 9 girls). There was at least a two-year follow up period, or failure of the Ponseti method within this time frame. Data was compiled from clinic assessment forms and patient notes. All cases resulting in recasting or further surgical procedures were regarded as failure of conservative treatment. This was compared to published data from the same centre, regarding relapse for the two-stage surgical method. From 1988 to 1995, 86 patients presented with 120 clubfeet and had surgical treatment. 68 patients with 91 clubfeet (48 boys 20 girls) had the two-stage surgical procedure and were followed up at a mean age of 5.7 years (2.2 to 9.6). The mean age for surgery was 8.9 months.

Relapse rate of both treatment methods was compared for all feet in all Dimeglio grades. Relapse rates for Ponseti and surgery respectively were: grade 2, 18.2% vs 0%; grade 3, 36.2% vs 20.4%; grade 4, 35.3% vs 65.4%. The differences were not statistically significant

Conclusions: The Ponseti method is as valid as the two-stage surgical method for the treatment of clubfoot. Functional outcomes of the two treatment methods need to be compared.