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  • Title: The subtalar distraction bone block arthrodesis following the late complications of calcaneal fractures: a systematic review.
    Author: Schepers T.
    Journal: Foot (Edinb); 2013 Mar; 23(1):39-44. PubMed ID: 23177597.
    Abstract:
    INTRODUCTION: The late complications following a displaced intra-articular calcaneal fractures includes painful arthrosis for which a subtalar fusion might be considered. In case of malalignment due to loss of height and varus deformity a reconstructive arthrodesis is necessary. The primary aim of the current review study was to assess the functional outcome of the subtalar distraction bone block arthrodesis in the management of late complications of displaced intra-articular calcaneal fractures. METHODS: The literature was searched for studies in which a subtalar distraction bone block arthrodesis was used in the management of persistent complaints following a displaced intra-articular calcaneal fractures, after its first description in 1988 up to November 1st 2011. The methodological quality of the included studies was assessed using the Coleman Methodology Score. RESULTS: Twenty-one studies reporting on 456 patients were identified. In 93 percent the procedure was a salvage procedures following the late complications of a calcaneal fracture (372 cases). Duration of follow-up ranged from 21 to 108 months (average 40 months). Union rates were reported with an overall average of 96% (range 83-100%). The average modified AOFAS score (maximum 94 points) was 73 points at final follow-up (range 64-83 points). Six studies reported pre- and post-reconstruction AOFAS outcome scores with an average increase of 44.2 points. Wound complications occurred in approximately 6%. With the exception of one study all were level 4 retrospective case series, with an average Coleman Methodology Score of 55 (range 41-79) points. CONCLUSIONS: The subtalar distraction bone block arthrodesis is a technically demanding procedure which, in the right hands, provides an overall good result. This is reflected in a significant increase in outcome scores post-operatively. Although most complications are considered minor, there are several pitfalls which should be recognized and avoided.
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