Abstract:  Objective　To explore the clinical effect of minimal incision, poking reduction and Kirschner wire internal fixation in the treatment of compressive intra-articular fractures of calcaneus.  Methods    From June 2012 to October 2016, 15 patients with compressive intra-articular fractures of calcaneus were included. All 15 patients with articular surface collapse＞2 mm underwent minimal incision poking reduction and Kirschner wire internal fixation. The incision length, surgical duration, incision healing, fracture healing, loss of articular surface reduction, and ankle joint function were used for evaluation. The Bohler angle and the Gissane angle were measured in X-ray. The three-dimensional CT was used to measure the articular surface reduction and re-collapse. Ankle function was evaluated according to the Maryland Foot Function Rating criteria.    Results   The incision length was 3~5 cm, surgical duration was 32~56 min, intraoperative blood loss was 10~30 mL, and the incision healed smoothly. There was no significant difference in Bohler angle and Gissane angle immediately and 1 year after operation. The anatomic reduction ratio of articular surface was 93.3%. According to Maryland Foot Score system, 10 cases were rated as excellent, 3 as good, 1 as fair, and the rate of excellent and good outcomes was 92.9%. There were no significant differences in the Bohler angle and Gissane angle immediately after surgery and the last follow-up (P>0.05).   Conclusion　The minimal incision poking reduction and Kirschner wire internal fixation in the treatment of compressive intra-articular fractures of calcaneus can expose fully. It has the advantages of small injury, easy operation, less complications, and satisfactory ankle function.

Key words: Intra-articular fractures of calcaneal, 　Compressive fractures, 　Poking reduction, 　Minimal incision, 　Kirschner wire internal fixation