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- Title
Prospective Multicenter Study of Community-Associated Skin and Skin Structure Infections due to Methicillin-Resistant <i>Staphylococcus aureus</i> in Buenos Aires, Argentina.
- Authors
López Furst, María José; de Vedia, Lautaro; Fernández, Silvina; Gardella, Noella; Ganaha, María Cristina; Prieto, Sergio; Carbone, Edith; Lista, Nicolás; Rotryng, Flavio; Morera, Graciana I.; Mollerach, Marta; Stryjewski, Martín E.
- Abstract
Background: Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) is now the most common cause of skin and skin structure infections (SSSI) in several world regions. In Argentina prospective, multicenter clinical studies have only been conducted in pediatric populations. Objective: Primary: describe the prevalence, clinical and demographic characteristics of adult patients with community acquired SSSI due to MRSA; secondary: molecular evaluation of CA-MRSA strains. Patients with MRSA were compared to those without MRSA. Materials and Methods: Prospective, observational, multicenter, epidemiologic study, with molecular analysis, conducted at 19 sites in Argentina (18 in Buenos Aires) between March 2010 and October 2011. Patients were included if they were ≥14 years, were diagnosed with SSSI, a culture was obtained, and there had no significant healthcare contact identified. A logistic regression model was used to identify factors associated with CA-MRSA. Pulse field types, SCCmec, and PVL status were also determined. Results: A total of 311 patients were included. CA-MRSA was isolated in 70% (218/311) of patients. Clinical variables independently associated with CA-MRSA were: presence of purulent lesion (OR 3.29; 95%CI 1.67, 6.49) and age <50 years (OR 2.39; 95%CI 1.22, 4.70). The vast majority of CA-MRSA strains causing SSSI carried PVL genes (95%) and were SCCmec type IV. The sequence type CA-MRSA ST30 spa t019 was the predominant clone. Conclusions: CA-MRSA is now the most common cause of SSSI in our adult patients without healthcare contact. ST30, SCCmec IV, PVL+, spa t019 is the predominant clone in Buenos Aires, Argentina.
- Subjects
BUENOS Aires (Argentina : Province); METHICILLIN-resistant staphylococcus aureus; SKIN diseases; PEDIATRICS; DISEASE prevalence; EPIDEMIOLOGY; MOLECULAR biology; LONGITUDINAL method
- Publication
PLoS ONE, 2013, Vol 8, Issue 11, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0078303