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Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_12 | Pages 16 - 16
1 Mar 2013
Athanatos L Nixon N Holmes G James L Bass A
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Flexible flat foot is considered one of the commonest normal variants in children's orthopaedic practice. The weightbearing foot is usually regarded as flexible on the basis of results from clinical and radiographic examination as well as measured foot-ground pressure pattern.

Our aim was to compare the pedobarographic and radiographic findings of normal arched and symptomatic flexible flat feet and investigate if there were sensitive markers that could be used in selecting patients for surgical correction.

We retrospectively collected data from eighteen patients (ten to sixteen year old). Our control group consisted of ten patients (twenty feet) with normal arched feet and the study group of eight patients (fifteen feet) with symptomatic flat feet who were awaiting surgical correction.

The mean and standard deviations of three radiographic markers (Calcaneal pitch, Naviculocuboid overlap and lateral Talo-1st metatarsal angle) in addition to foot pressures measured at the hindfoot, medial/lateral/total midfoot (MMF, LMF, TMF), forefoot and the percentage of weight going through the MMF over the TMF (medial midfoot ratio (MMFR) during the mid-stance gait phase are reported. In addition, the sensitivity, specificity, positive predictive value and negative predictive value of the pedobarographic parameters were estimated.

There was a significant difference in the Naviculocuboid overlap (P<0.001 T test) and Calcaneal pitch (P<0.05 T test) between both groups. The flat feet group had significantly higher MMF, LMF, TMF and MMFR (P < 0.001 Mann-Whitney). LMF had the highest sensitivity and negative predictive value (94%) whereas MMF, TMF and MMFR had the highest specificity and positive predictive value (100%).

Compared to our control group, patients with symptomatic flexible flat feet had significantly higher pressures distributed in the midfoot, in particular in the medial midfoot. Pedobarography appears to be a sensitive and specific tool that can be used, in conjunction with clinical and radiographic findings, in diagnosing flat feet.

Our study suggests that pedobarography could be used to measure the degree of deformity before and after surgical intervention.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_IV | Pages 64 - 64
1 Mar 2012
Peter V Joshi Y George H Bass A
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Introduction

Some patients with Cerebral Palsy who had a de-rotation osteotomy performed for correction of excessive anteversion had persistence of internal foot progression even after surgery. Potential causes which have been implicated include: weak hip abductors, spasticity of the anterior fibres of the gluteus medius, hip adductor spasm and persistent femoral anterversion. The aim of this study was to see if there is any relationship between significant abductor weakness [less than Grade III: MRC] and persistence of internal foot progression.

Methods

We included all ambulatory patients with cerebral palsy who had had a derotation osteotomy between the periods of 2000-2005, who had also had a pre and post operative gait analysis, assessment of anteversion [Gage Test], hip range of motion and muscle charting.

There were 12 patients [17 hips, 5 bilateral] with an average age of 13. Seven were diplegic, two hemiplegic and three had asymmetric diplegia. Data was assessed using SPSS13.0. The Spearman Co-relation Coefficient was used to test if there was any correlation.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_III | Pages 137 - 137
1 Feb 2012
Malek I Webster R Garg N Bruce C Bass A
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Aims

To evaluate the results of Elastic Stable Intramedullary Nailing (ESIN) for displaced, unstable paediatric forearm diaphyseal fractures.

Method

A retrospective, consecutive series study of 60 patients treated with ESIN between February 1996 and July 2005.