Bacterial genus is a risk factor for major amputation in patients with diabetic foot / Gênero bacteriano é fator de risco para amputação maior em pacientes com pé diabético
Rev. Col. Bras. Cir;
44(2): 147-153, Mar.-Apr. 2017. tab
Artículo
en Inglés
| LILACS | ID: biblio-842653
ABSTRACT
Objective:
to evaluate whether bacterial genus is a risk factor for major amputation in patients with diabetic foot and infected ulcer.Methods:
we conducted a case-control, observational study of 189 patients with infected ulcers in diabetic feet admitted to the Vascular Surgery Service of the Risoleta Tolentino Neves Hospital, from January 2007 to December 2012. The bacteriological evaluation was performed in deep tissue cultures from the lesions and amputation was considered major when performed above the foot'smiddle tarsus.Results:
the patients'mean age was 61.9±12.7 years; 122 (64.6%) were men. The cultures were positive in 86.8%, being monomicrobial in 72% of the cases. In patients with major amputation, Acinetobacter spp. (24.4%), Morganella spp. (24.4%), Proteus spp. (23.1%) and Enterococcus spp. (19.2%) were the most frequent types of bacteria. The most commonly isolated species were Acinetobacter baumannii, Morganella morganii, Pseudomonas aeruginosa and Proteus mirabilis. As predictors of major amputation, we identified the isolation of the generaAcinetobacter spp. and Klebsiella spp., serum creatinine ≥1.3mg/dl and hemoglobin <11g/dl.Conclusion:
the bacterial genera Acinetobacter spp. and Klebsiella spp. identified in infected ulcers of patients with diabetic foot were associated with a higher incidence of major amputation.
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