Etiological agents more common in primary hip and knee joint replacement infections in older adults
2016
: Los agentes etiologicos mas frecuentes en las infecciones periprotesicas son Escherichia coli y Staphylococcus aureus. La frecuencia de estas infecciones se presenta en el reemplazo articular de rodilla de 0.68 a 1.60% en comparacion con el de cadera de 0.67 a 2.4%. OBJECTIVE: To identify what are the most common etiologic agents in periprosthetic infections in elderly patients with primary hip and knee surgery. MATERIAL AND METHODS: An observational study, transverse and retrospective case series was performed in a period from June 2011 to December 2014, patients over 60 years with a diagnosis of periprosthetic infection by two positive cultures with antibiograma. RESULTS: 62 patients were evaluated 59.7% were infections of knee and hip 40.3%, 59% were infections by Escherichia coli and Staphylococcus aureus 22%. The best sensitivity reported antibiotic trimethoprim-sulfamethoxazole was 40.3%. The largest penicillin G resistance 32.2%. CONCLUSION: The most common causative agents were Escherichia coli and Staphylococcus aureus.
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