enfermedad invasora por staphylococcus aureus meticilino resistente adquirida en la comunidad community-acquired methicillin-resistant staphylococcus aureus disseminated disease
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ID: 145592
2006
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Abstract
Se presenta un caso de enfermedad invasora por Staphylococcus aureus meticilino resistente (SAMR) adquirido en la comunidad (SAMR-c). Paciente varĂłn de 21 años, previamente sano, que consultĂł por nĂłdulos subcutáneos compatibles con gomas. La ultrasonografĂa revelĂł mĂşltiples abscesos subcutáneos e imágenes consistentes con piomiositis, además de derrame pleural y pericárdico. En el cultivo del material purulento obtenido por punciĂłn-aspiraciĂłn con aguja fina de las lesiones se aislĂł S. aureus. El antibiograma por difusiĂłn mostrĂł resistencia a cefalotina, eritromicina y clindamicina, y sensibilidad a trimetroprima-sulfametoxazol, ciprofloxacina y rifampicina. La meticilino resistencia se confirmĂł por aglutinaciĂłn con partĂculas de látex sensibilizadas con anticuerpos monoclonales dirigidos contra la proteĂna ligadora de penicilina 2A. El paciente fue tratado con ciprofloxacina y rifampicina durante cuatro semanas, con evoluciĂłn favorable. La frecuencia de infecciones por SAMR-c está en aumento, observándose en personas sin factores de riesgo aparentes. Esto llevarĂa a fracaso en el tratamiento empĂrico para infecciones de la comunidad en los que se presume etiologĂa estafilocĂłcica.A 21 year old man, previously healthy, presented with subcutaneous nodes consistent with gummas. Ultrasonography disclosed multiple subcutaneous abscesses and images suitable with piomiositis, pleural and pericardium effusion. A puncture-aspirate with fine-needle was performed and produced purulent material, with isolate of Staphylococcus aureus. Antimicrobial susceptibility testing by disk diffusion showed resistant to cefalotin, erythromycin and clindamycin, and susceptibility to trimethoprim-sulfamethoxazole, ciprofloxacin and rifampicin. Methicilin-resistance was confirmed by Staphyslide agglutination testing (BiomĂ©rieux). The patient was treated with ciprofloxacin and rifampicin during four weeks, with a good clinical response. The frequency of CA-MRSA infections is increasing, and these are reported in patients without identified predisposing risks leading to failure on empiric therapy for community infections presumed to be due to staphylococcal agents.
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Authors | ;Clarisa Brezzo;Diego Cecchini;Fernando Biscione;Tomás Orduna;Nora Costa;Mirta Quinteros |
Journal | proceedings on: 2016 ieee central america and panama student conference, conescapan 2016 |
Year | 2006 |
DOI | DOI not found |
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