Aerobic bacterial profile and antibiotic resistance in patients with diabetic foot infections
Rev. Soc. Bras. Med. Trop
; Rev. Soc. Bras. Med. Trop;48(5): 546-554, Sept.-Oct. 2015. tab
Article
em En
| LILACS
| ID: lil-763327
Biblioteca responsável:
BR1.1
ABSTRACT
ABSTRACTINTRODUCTION:
This study aimed to determine the frequencies of bacterial isolates cultured from diabetic foot infections and assess their resistance and susceptibility to commonly used antibiotics.METHODS:
This prospective study included 41 patients with diabetic foot lesions. Bacteria were isolated from foot lesions, and their antibiotic susceptibility pattern was determined using the Kirby-Bauer disk diffusion method and/or broth method [minimum inhibitory concentration (MIC)].RESULTS:
The most common location of ulceration was the toe (54%), followed by the plantar surface (27%) and dorsal portion (19%). A total of 89 bacterial isolates were obtained from 30 patients. The infections were predominantly due to Gram-positive bacteria and polymicrobial bacteremia. The most commonly isolated Gram-positive bacteria were Staphylococcus aureus, followed by Staphylococcus saprophyticus, Staphylococcus epidermidis, Streptococcus agalactiae, and Streptococcus pneumoniae. The most commonly isolated Gram-negative bacteria were Proteus spp. and Enterobacterspp., followed by Escherichia coli, Pseudomonasspp., and Citrobacterspp. Nine cases of methicillin-resistant Staphylococcus aureus (MRSA) had cefoxitin resistance, and among these MRSA isolates, 3 were resistant to vancomycin with the MIC technique. The antibiotic imipenem was the most effective against both Gram-positive and Gram-negative bacteria, and gentamicin was effective against Gram-negative bacteria.CONCLUSIONS:
The present study confirmed the high prevalence of multidrug-resistant pathogens in diabetic foot ulcers. It is necessary to evaluate the different microorganisms infecting the wound and to know the antibiotic susceptibility patterns of the isolates from the infected wound. This knowledge is crucial for planning treatment with the appropriate antibiotics, reducing resistance patterns, and minimizing healthcare costs.Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Pé Diabético
/
Farmacorresistência Bacteriana
/
Bactérias Gram-Negativas
/
Bactérias Gram-Positivas
Tipo de estudo:
Observational_studies
/
Risk_factors_studies
Limite:
Adult
/
Aged
/
Female
/
Humans
/
Male
Idioma:
En
Revista:
Jornal brasileiro de medicina tropical
/
Rev Soc Bras Med Trop
/
Rev. Soc. Bras. Med. Trop
/
Rev. Soc. Bras. Med. Trop. (Online)
/
Revista da Sociedade Brasileira de Medicina Tropical (Impresso)
Assunto da revista:
MEDICINA TROPICAL
Ano de publicação:
2015
Tipo de documento:
Article
/
Project document
País de afiliação:
Brasil
País de publicação:
Brasil