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Query: UMLS:C0003090 (arthrodesis)
 8,374 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A review of 37 ankle arthrodesis procedures done over a 12-year period by multiple surgeons at a single institution was performed. Six different techniques were used during the study period. The initial success rate, defined as cases achieving a solid union after the index procedure, was 65%. Seven additional patients went on to a solid arthrodesis after subsequent surgical procedures, for an ultimate success rate of 84%. The initial success rate varied considerably depending on the surgical technique used, and ranged from 29% with the RAF fibular strut technique to 100% with T-plate fixation. Although there are many variables that influence the success or failure of ankle arthrodesis, in our hands rigid internal fixation gave the most predictable rate of primary union.
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PMID:Primary union of ankle arthrodesis: review of a single institution/multiple surgeon experience. 807 58

A biomechanical study was undertaken to evaluate the relative stability of three types of internal fixation used for ankle arthrodesis. Crossed screw fixation, RAF fibular strut fixation, and T-plate fixation were tested in 30 cadaver ankles using an MTS machine. T-plate fixation consistently provided the stiffest construct when compared with the other types of fixation. Failure occurred by distraction of bony surfaces, posterior to the plane of fixation, in the crossed screw and RAF groups. In contrast, failure in the T-plate group occurred through compression of bone anterior to the midcoronal plane of the tibia. Although the stability of fixation is only one factor in determining the success or failure of ankle arthrodesis, the results of this study would support T-plate fixation over the other forms tested.
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PMID:A biomechanical evaluation of three forms of internal fixation used in ankle arthrodesis. 807 59