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Diabetic foot infections, a frequent and serious cause of morbidity in patients with diabetes mellitus, are caused by anaerobic and aerobic bacteria. Given the fact that seriously impaired host defense factors are almost always present in these patients, bactericidal agents with a broad spectrum of antimicrobial activity are required for their treatment. Seventy-four patients with diabetic foot infections were treated with parenteral sulbactam-ampicillin (1.5 g, q.i.d.). All patients were followed-up prospectively in order to determine the efficacy and safety of sulbactam-ampicillin. The mean duration (+/- SD) of treatment in patients with osteomyelitis (n = 49) and soft tissue infections (n = 25) was 41 +/- 5 and 14 +/- 3 days, respectively. Infected limbs were amputated at various levels in 14 patients (19%). Clinical cure rates were 86% and 100% in patients with osteomyelitis and with soft tissue infection, respectively. The most frequent side effect was diarrhea and observed in 10 patients (14%). The results of the present study indicate that sulbactam-ampicillin is safe and effective in the treatment of diabetic foot infections.

Covering the reconstructed area with a healthy soft-tissue envelope is a major challenge after limb-sparing surgery in patients with malignant bone and soft-tissue tumours. Negative pressure wound therapy (NPWT) of open wounds hastens healing and minimises the requirement for complex reconstructive soft-tissue surgery. The aim of this study was to investigate the effectiveness and safety of NPWT in bone and soft-tissue malignant tumour patients with postoperative wound complications. Between January 2006 and November 2009, at a single institution, 13 patients with malignant bone and soft-tissue tumours who had undergone wide resection were retrospectively analysed. NPWT was performed in all patients to temporarily close the soft-tissue defects. After obtaining the culture negativity and normal infection markers, definitive soft-tissue reconstruction was performed to close the wound with primary suturisation in two patients, split thickness grafts in four patients, full thickness grafts in two patients, rotational flaps in three patients and free flaps in two patients. Mean duration of hospitalisation was 20 (range 8-48) days and mean follow-up period was 57·3 (range 50-74) months. There was no tumour recurrence or skip metastasis in the follow-up period. In addition, there was no periprosthetic infection or complication associated with NPWT. In conclusion, NPWT therapy seems to be a safe and effective option in the management of local wound problems and secondary surgical site infections after musculoskeletal tumour surgery.

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