Pressure distribution in carpometacarpal joint, due to step-off in operatively treated XXXX .

@entity1833 @entity1 @entity179 @entity174
INTRODUCTION: The purpose of the current study was to investigate the effects of residual articular @entity1833 after Bennett's @entity174 on load distribution of the joint surface. Our aim was to investigate whether a residual joint step and the altered load distribution led to negative clinical outcomes or symptomatic @entity179 of the trapeziometacarpal joint. @entity1 AND METHODS: Twenty-four @entity1 were available for long-term follow-up examination and were contacted by phone, and they returned for follow-up examination. Computed tomography (CT) scans of both carpometacarpal (CMC) joints were performed. CT scans were taken in the sagittal plane of the forearms with a slice thickness of 0.625 mm for three-dimensional reconstruction. The CMC joints were analysed due to a residual step in the joint. Only @entity1 with a residual step-off were included in this study. To determine the areas of maximum density in the joint, CT-osteoabsorptiometry was performed. RESULTS: Ten @entity1 had the maximum loading area radial and two @entity1 central. The second major position of mineralization was detected central in four @entity1 , volar-ulnar in two @entity1 , radial in one @entity1 , dorso-radial in one @entity1 , volar in one @entity1 and volar-radial in two @entity1 . CONCLUSION: Finally, no higher loading in the area of the beak fragment could be found. The Wagner technique, even if it results in a persistent 1-2-mm intra-articular step-off of the beak fragment, is still the favourable method for the treatment of @entity174 .
