OBJECTIVE No prospective trials have been carried out comparing antibiotic treatment alone with primarily surgical treatment in patients with diabetes and foot osteomyelitis. The aim of the current study was to compare the outcomes of the treatment of diabetic foot osteomyelitis in patients treated exclusively with antibiotics versus patients who underwent conservative surgery, following up the patients for a period of 12 weeks after healing. RESEARCH DESIGN AND METHODS Between 1 January 2010 and 31 December 2012, a prospective randomized comparative trial (clinical trial reg. no. NCT01137903, clinicaltrials.gov) of patients with diabetes who had received a diagnosis of neuropathic foot ulcers complicated by osteomyelitis was carried out at the Diabetic Foot Unit at the Complutense University of Madrid. Patients were randomized into the following two groups: the antibiotics group (AG) and the surgical group (SG). Antibiotics were given for a period of 90 days in the AG. Patients in the SG received conservative surgery with postoperative antibiotic treatment for 10 days. RESULTS Eighteen patients (75%) achieved primary healing in the AG, and 19 (86.3%) in the SG (P = 0.33). The median time to healing was 7 weeks (quartile [Q] 1 to Q5, Q3–Q8) in the AG and 6 weeks (Q1–Q3, Q3–Q9) in the SG (P = 0.72). The conditions of four patients from the AG worsened (16.6%), and they underwent surgery. Three patients from the SG required reoperation. No difference was found between the two groups regarding minor amputations (P = 0.336). CONCLUSIONS Antibiotic therapy and surgical treatment had similar outcomes in terms of healing rates, time to healing, and short-term complications in patients with neuropathic forefoot ulcers complicated by osteomyelitis without ischemia or necrotizing soft tissue infections.
Aims/hypothesis We analysed the factors that determine the outcomes of surgical treatment of osteomyelitis of the foot in diabetic patients given early surgical treatment within 12 h of admission and treated with prioritisation of footsparing surgery and avoidance of amputation. Methods A consecutive series of 185 diabetic patients with foot osteomyelitis and histopathological confirmation of bone involvement were followed until healing, amputation or death. Results Probing to bone was positive in 175 cases (94.5%) and radiological signs of osteomyelitis were found in 157 cases (84.8%). Staphylococcus aureus was the organism isolated in the majority of cultures (51.3%), and in 35 cases (36.8%) it proved to be methicillin-resistant. The surgical treatment performed included 91 conservative surgical procedures, which were defined as those where no amputation of any part of the foot was undertaken (49.1%). A total of 94 patients received some degree of amputation, consisting of 79 foot-level (minor) amputations (42.4%) and 15 major amputations (8%). Five patients died during the perioperative period (2.7%). Histopathological analysis revealed 94 cases (50.8%) of acute osteomyelitis, 43 cases (23.2%) of chronic osteomyelitis, 45 cases (24.3%) of acute exacerbation of chronic osteomyelitis and three remaining cases (1.6%) designated as 'other'. The risks of failure in the case of conservative surgery were exposed bone, the presence of ischaemia and necrotising soft tissue infection. Conclusions/interpretation Conservative surgery without local or high-level amputation is successful in almost half of the cases of diabetic foot osteomyelitis. Prospective trials should be undertaken to determine the relative roles of conservative surgery versus other approaches.
Reulceration is a frequent event following resection of a metatarsal head and should be regarded as an implicit complication of the intervention. The location of the resection determines the risk of reulceration, which is highest for patients operated on the first metatarsal head and lowest for patients operated on the fifth metatarsal head.
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