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Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_7 | Pages 10 - 10
8 May 2024
Nanavati N Davies M Blundell C Flowers M Chadwick C Davies H
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Introduction

The current treatment for Freiberg's osteochondrosis centres around either: simple debridement or debridement osteotomy. The main principle of the osteotomy is to rotate normal articular cartilage into the affected area. We recommend the use of CT scanning to delineate the amount of available, unaffected cartilage available to rotate into the affected space.

Methods

We retrospectively reviewed 32 CT scans of new Freiberg's diagnoses in Sheffield over a 10 year period using the PACS system. We identified the sagittal CT slice that displayed the widest portion of proximal articular margin of the proximal phalanx and measured the diseased segment of the corresponding metatarsal head as an arc (in degrees). This arc segment was divided by 360°. This gave a ratio of the affected arc in the sagittal plane.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XLIII | Pages 18 - 18
1 Sep 2012
Davies H Davenport C Oddy M Flowers M Jones S
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Introduction

Medial calcaneal displacement osteotomy with an FDL tendon transfer is a common method of correcting pes planus deformity secondary to grade II tibialis posterior dysfunction. There is currently no evidence that calcaneal displacement alters the centre of pressure in the foot from a medial to a more central position as the normal shape is reconstituted.

Materials and Methods

We prospectively evaluated 12 patients undergoing flatfoot reconstruction. Each patient had a preoperative AOFAS hindfoot score, pedobariographs and antero-posterior and lateral radiographs. This was repeated 6 months following surgery.