Wound problems occur in 5~30% of intra-articular calcaneal fractures following operation. Diabetes mellitus, large incisions and abundant dissection can increase the risk of wound problems that may require skin graft or other additional care. The authors used minimally invasive technique to treat intra-articular calcaneal fractures in diabetic patients and evaluated the results and complications of this method.

Between January 2002 and July 2005, 12 patients with intra-articular calcaneal fractures who had underlying diabetes mellitus were treated using minimally invasive technique with a modified sinus tarsi approach. The patients had an average age of 47 years (39~67) and were followed an average of 19 months (13~32). The mean period between injury and operation was 8 days (5~14). Crutch assisted partial weight bearing was advised for an average of 7.3 weeks (6~9) and full weight bearing was allowed after average of 9.3 weeks (7~11).

According to AOFAS scale for ankle and hindfoot, patients had the following results: excellent - 1 patient (8%), good - 9 patients (75%), fair - 1 patient (8%), unsatisfied - 1 patient (8%). Bone union was achieved in all cases and there were no events of deep infection or skin necrosis.

Treating intra-articular calcaneal fractures by minimally invasive technique is an excellent operative method for patients with diabetes mellitus, as this method can minimize soft tissue incision and resulting deep infection and skin necrosis.