Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/48704
Título: Clinical significance of the isolation of Staphylococcus epidermidis from bone biopsy in diabetic foot osteomyelitis
Autores/as: Aragon Sanchez, Javier 
Lázaro-Martínez, Jose Luis
Hernández-Herrero, María José
Quintana-Marrero, Yurena
Cabrera-Galván, Juan J. 
Clasificación UNESCO: 32 Ciencias médicas
3205 Medicina interna
Palabras clave: Diabetic foot
Osteomyelitis
Bone infection
Diabetic foot infections
Foot ulcer
Fecha de publicación: 2010
Publicación seriada: Diabetic Foot and Ankle 
Resumen: Introduction: Coagulase-negative staphylococci are considered as microorganisms with little virulence and usually as contaminants. In order to establish the role of Staphylococcus epidermidis as a pathogen in diabetic foot osteomyelitis, in addition to the isolation of the sole bacterium from the bone it will be necessary to demonstrate the histopathological changes caused by the infection. Methods: A consecutive series of 222 diabetic patients with foot osteomyelitis treated surgically in the Diabetic Foot Unit at La Paloma Hospital (Las Palmas de Gran Canaria, Canary Islands, Spain) between 1 October 2002 and 31 October 2008. From the entire series including 213 bone cultures with 241 isolated organisms, we have analyzed only the 139 cases where Staphylococci were found. We analyzed several variables between the two groups: Staphylococcus aureus versus Staphylococcus epidermidis. Results: Of the 134 patients included in this study, Staphlylococcus epidermidis was found as the sole bacterium isolated in 11 cases and accompanied by other bacteria in 12 cases. Staphlylococcus aureus was found as the sole bacterium isolated in 72 cases and accompanied by other bacteria in 39 cases. Histopathological changes were found in the cases of osteomyelitis where Staphylococcus epidermidis was the sole bacterium isolated. Acute osteomyelitis was found to a lesser extent when Staphylococcus epidermidis was the sole bacterium isolated but without significant differences with the cases where Staphylococcus aureus was the sole bacterium isolated. Conclusion: Staphylococcus epidermidis should be considered as a real pathogen, not only a contaminant, in diabetic patients with foot osteomyelitis when the bacterium is isolated from the bone. No differences in the outcomes of surgical treatment have been found with cases which Staphlylococcus aureus was isolated.
URI: http://hdl.handle.net/10553/48704
ISSN: 2000-625X
DOI: 10.3402/dfa.v1i0.5418
Fuente: Diabetic Foot and Ankle [2000-625X], v. 1 (agosto 2010)
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