Antimicrobial susceptibility of Gram-negative bacilli of community acquired intra-abdominal infections in a hospital at Buenos Aires, Argentina.

August 10, 2016 at 8:36 am

Rev Esp Quimioter. 2016 Jun 17.

Article in Spanish

Morganti L1, Córdova E, Cassini E, Gómez N, López Moral L, Badía M, Rodríguez C.

Author information

1Laura Morganti, Hospital General de Agudos Cosme Argerich. Pi y Margall 750, Ciudad Autónoma de Buenos Aires. Argentina. lmmorganti@yahoo.com.ar.

Abstract

OBJECTIVE:

Community acquired complicated intra-abdominal infections (cIAI) are a common condition. Few data are available about the level of antimicrobial resistance of Gram-negative bacteria isolated from community acquired cIAIs in Argentina.

METHODS:

Retrospective-prospective observational study (March 2010 to February 2012). Gram-negative bacteria antimicrobial susceptibility of isolates from community acquired cIAIs were evaluated.

RESULTS:

During this period, a total of 85 patients were included and 138 pathogens were collected. Male sex: 58%. Median age: 33. Monomicrobial cultures were obtained in 49% of the cases. Ninety (65%) corresponded to Gram-negative organisms, and 48 (38%) to Gram-positive cocci. Gram-negative organisms most frequently observed were: Escherichia coli 76%, Klebsiella pneumoniae 8%, Pseudomonas aeruginosa 7% and Enterobacter spp. 6%. E. coli and K. pneumoniae showed a high percentage of strains resistance to ciprofloxacin of 37% and 29%, respectively. Similarly, resistance to ampicillin/sulbactam was observed in a 16% of the E. coli isolates. The prevalence of multiresistant Gram-negative organisms was 38%.

CONCLUSIONS:

A high level of resistance to antimicrobials was observed in community acquired cIAIs, mainly to ciprofloxacin and ampicillin/sulbactam two of the most used antimicrobial for empirically treatment of cIAIs in our country. In addition a significant proportion of multiresistant Gram-negative organisms were identified.

PDF

http://seq.es/seq/0214-3429/29/4/morganti17jun2016.pdf

Entry filed under: Antimicrobianos, Bacterias, Bacteriemias, Epidemiología, Infecciones intraabdominales, Metodos diagnosticos, Resistencia bacteriana, Sepsis, Update. Tags: .

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