Clostridium difficile outbreak caused by NAP1/BI/027 strain and non-027 strains in a Mexican hospital
Morfín Otero, Rayo y Garza González, Elvira y Aguirre Diaz, Sara Alejandra y Escobedo Sanchez, Rodrigo y Esparza Ahumada, Sergio y Pérez Gómez, Héctor Raúl y Petersen Morfin, Santiago y Gonzalez Diaz, Esteban E. y Martínez Meléndez, Adrián y Rodríguez Noriega, Eduardo (2016) Clostridium difficile outbreak caused by NAP1/BI/027 strain and non-027 strains in a Mexican hospital. The Brazilian Journal of Infectious Diseases, 20 (1). pp. 8-13. ISSN 14138670
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Resumen
Background: Clostridium difficile infections caused by the NAP1/B1/027 strain are more severe, difficult to treat, and frequently associated with relapses. Methods: A case–control study was designed to examine a C. difficile infection (CDI) outbreak over a 12-month period in a Mexican hospital. The diagnosis of toxigenic CDI was confirmed by real-time polymerase chain reaction, PCR (Cepheid Xpert C. difficile/Epi). Results: During the study period, 288 adult patients were evaluated and 79 (27.4%) patients had confirmed CDI (PCR positive). C. difficile strain NAP1/B1/027 was identified in 31 (39%) of the patients with confirmed CDI (240 controls were included). Significant risk factors for CDI included any underlying disease (p < 0.001), prior hospitalization (p < 0.001), and antibiotic (p < 0.050) or steroid (p < 0.001) use. Laboratory abnormalities included leukocytosis (p < 0.001) and low serum albumin levels (p < 0.002). Attributable mortality was 5%. Relapses occurred in 10% of patients. Risk factors for C. difficile NAP1/B1/027 strain infections included prior use of quinolones (p < 0.03). Risk factors for CDI caused by non-027 strains included chronic cardiac disease (p < 0.05), chronic renal disease (p < 0.009), and elevated serum creatinine levels (p < 0.003). Deaths and relapses were most frequent in the 027 group (10% and 19%, respectively). Conclusions: C. difficile NAP1/BI/027 strain and non-027 strains are established pathogens in our hospital. Accordingly, surveillance of C. difficile infections is now part of our nosocomial prevention program.
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Palabras claves no controlados: | Clostridium difficile, Outbreak, 027 strain, Mexico | |||||||||||||||||||||||||||||||||
Usuario depositante: | Editor Repositorio | |||||||||||||||||||||||||||||||||
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Fecha del depósito: | 24 Mayo 2019 15:27 | |||||||||||||||||||||||||||||||||
Última modificación: | 11 Ago 2021 14:42 | |||||||||||||||||||||||||||||||||
URI: | http://eprints.uanl.mx/id/eprint/14877 |
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