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The Journal of Bone & Joint Surgery British Volume
Vol. 92-B, Issue 10 | Pages 1442 - 1448
1 Oct 2010
Thompson N Stebbins J Seniorou M Wainwright AM Newham DJ Theologis TN

This study compares the initial outcomes of minimally invasive techniques for single-event multi-level surgery with conventional single-event multi-level surgery. The minimally invasive techniques included derotation osteotomies using closed corticotomy and fixation with titanium elastic nails and percutaneous lengthening of muscles where possible. A prospective cohort study of two matched groups was undertaken. Ten children with diplegic cerebral palsy with a mean age of ten years six months (7.11 to 13.9) had multi-level minimally invasive surgery and were matched for ambulatory level and compared with ten children with a mean age of 11 years four months (7.9 to 14.4) who had conventional single-event multi-level surgery. Gait kinematics, the Gillette Gait Index, isometric muscle strength and gross motor function were assessed before and 12 months after operation.

The minimally invasive group had significantly reduced operation time and blood loss with a significantly improved time to mobilisation. There were no complications intra-operatively or during hospitalisation in either group. There was significant improvement in gait kinematics and the Gillette Gait Index in both groups with no difference between them. There was a trend to improved muscle strength in the multi-level group. There was no significant difference in gross motor function between the groups.

We consider that minimally invasive single-event multi-level surgery can be achieved safely and effectively with significant advantages over conventional techniques in children with diplegic cerebral palsy.


The Journal of Bone & Joint Surgery British Volume
Vol. 85-B, Issue 7 | Pages 1088 - 1088
1 Sep 2003
WAINWRIGHT AM AULD T BENSON MK THEOLOGIS TN


The Journal of Bone & Joint Surgery British Volume
Vol. 85-B, Issue 4 | Pages 572 - 577
1 May 2003
Theologis TN Harrington ME Thompson N Benson MKD

The aim of this study was to define objectively gait function in children with treated congenital talipes equinovarus (CTEV) and a good clinical result. The study also attempted an analysis of movement within the foot during gait. We compared 20 children with treated CTEV with 15 control subjects. Clinical assessment demonstrated good results from treatment. Three-dimensional gait analysis provided kinematic and kinetic data describing movement and moments at the joints of the lower limb during gait. A new method was used to study movement within the foot during gait. The data on gait showed significantly increased internal rotation of the foot during walking which was partially compensated for by external rotation at the hip. A mild foot drop and reduced plantar flexor power were also observed. Dorsiflexion at the midfoot was significantly increased, which probably compensated for reduced mobility at the hindfoot. Patients treated for CTEV with a good clinical result should be expected to have nearly normal gait and dynamic foot movement, but there may be residual intoeing, mild foot drop, loss of plantar flexor power with compensatory increased midfoot dorsiflexion and external hip rotation.


The Journal of Bone & Joint Surgery British Volume
Vol. 84-B, Issue 7 | Pages 1020 - 1024
1 Sep 2002
Wainwright AM Auld T Benson MK Theologis TN

We have assessed the reliability of four classification systems for club foot. Four observers evaluated nine children (18 feet) at different stages in the first six months of life, a total of 180 examinations. Each observer independently assessed all feet according to the classification systems described by Catterall, Diméglio et al, Harrold and Walker, and Ponseti and Smoley.

The variation between observers was assessed using the kappa test which for no more agreement than chance has a value of 0, and for complete agreement between observers a value of 1. The kappa values varied between 0.14 and 0.77 depending on which classification system was used. The system of Diméglio et al was found to have the greatest reliability.

Our findings suggest that current classification systems for the analysis of congenital talipes equinovarus are not entirely satisfactory.