• Stefan W de Vroome and Frits M van der Linden.
• Department of Surgery, Green Heart Hospital, Gouda, the Netherlands.
• Foot Ankle Int. 2014 Feb 1; 35 (2): 156-62.

BackgroundTo reduce the high rate of soft tissue complications in the treatment of displaced intra-articular fractures of the calcaneus, several minimally invasive techniques have been developed. Little evidence exists on the clinical outcome of these techniques.MethodsWe performed a study on a cohort of 46 fractures treated by the 3-point distraction technique. In 41 fractures, clinical outcome was available. Fractures were classified according to the Essex-Lopresti and Sanders classifications. The clinical outcome was determined using the 3 most frequently used outcome scores.ResultsThe clinical outcome of our cohort of percutaneous treated intra-articular calcaneal fractures was good to excellent in 69% with the American Orthopaedic Foot and Ankle Society ankle-hindfoot scale (AOFAS) score. This percentage increases to 100% for tongue type fractures alone but decreases to 52% for joint depression type fractures. Infectious complications occurred in 1 (2.4%) and secondary arthrodesis was needed in 3 fractures (7.3%). The Sanders classification showed no prognostic value. The Essex-Lopresti classification was a strong prognosticator with a median AOFAS score of 92 (interquartile range [IQR], 87.8-97.8) for tongue type fractures and 75 (IQR, 63.0-85.0) for joint depression type fractures (P < .001).ConclusionThe treatment of displaced intra-articular calcaneal fractures by the 3-point distraction technique was an acceptable alternative to open surgery and other percutaneous techniques. It had a low amount of infectious complications with comparable outcome to open treatment. The computed tomography-based Essex-Lopresti classification had a strong prognostic value when fractures were treated by the 3-point distraction technique. The results of this study support the use of the 3-point distraction technique, especially in tongue type fractures.Level Of EvidenceLevel IV, retrospective case series.

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