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The Bone & Joint Journal
Vol. 98-B, Issue 10 | Pages 1369 - 1375
1 Oct 2016
Brodsky JW Kane JM Coleman S Bariteau J Tenenbaum S

Aims

The surgical management of ankle arthritis with tibiotalar arthrodesis is known to alter gait, as compared with normal ankles. The purpose of this study was to assess post-operative gait function with gait before arthrodesis.

Patients and Methods

We prospectively studied 20 patients who underwent three-dimensional gait analysis before and after tibiotalar arthrodesis. Cadence, step length, walking velocity and total support time were assessed. Kinetic parameters, including the moment and power of the ankle in the sagittal plane and hip power were also recorded.


The Journal of Bone & Joint Surgery British Volume
Vol. 91-B, Issue 9 | Pages 1178 - 1182
1 Sep 2009
Hakki S Coleman S Saleh K Bilotta VJ Hakki A

The requirement for release of collateral ligaments to achieve a stable, balanced total knee replacement has been reported to arise in about 50% to 100% of procedures. This wide range reflects a lack of standardised quantitative indicators to determine the necessity for a release. Using recent advances in computerised navigation, we describe two navigational predictors which provide quantitative measures that can be used to identify the need for release. The first was the ability to restore the mechanical axis before any bone resection was performed and the second was the discrepancy in the measured medial and lateral joint spaces after the tibial osteotomy, but before any femoral resection.

These predictors showed a significant association with the need for collateral ligament release (p < 0.001). The first predictor using the knee stress test in extension showed a sensitivity of 100% and a specificity of 98% and the second, the difference between medial and lateral gaps in millimetres, a sensitivity of 83% and a specificity of 95%. The use of the two navigational predictors meant that only ten of the 93 patients required collateral ligament release to achieve a stable, neutral knee.


The Journal of Bone & Joint Surgery British Volume
Vol. 75-B, Issue 6 | Pages 938 - 939
1 Nov 1993
Barnes S Coleman S Gilpin D

We report the use of the Mitek anchor with a limited approach for repair of avulsion of the biceps tendon from the radius in four middle-aged men. All regained a full range of movement with minimal loss of power.