ribotyping and increasing trend of antibiotic resistance of pseudomonas aeruginosa isolated in iran ribotipagem e perfil de resistência a antibióticos de pseudomonas aeruginosa isolada no irã

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ID: 191360
2007
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Abstract
The trend of antibiotic resistance, ribotyping and serotyping patterns of Pseudomonas aeruginosa collected since 1987 in Iran were investigated. The results showed that among the aminoglycosides, amikacin was the most effective antibiotic against P. aeruginosa with 98.4% susceptibility rate followed by tobramycin (73%) and gentamicin (71%). Of the cephalosporins, susceptibility to ceftazidime was 93%. Among the antibiotics tested in vitro, ciproflaxacin was found to be the most effective against the strains, with 98.4% susceptibility rate. The most predominant monovalent serotype was O:11 (34%). Other dominant serotypes were O:5 (20%), O:1 (16%) and O:6 (15%). Thirteen percent of the isolates showed no agglutination with the tested sera. A high percent of the O:11 serotype isolates (68%) were resistant to > or = 3 antibiotics. The collected P. aeruginosa isolates were classified into 3 ribotypes using PuvII restriction enzyme. The results suggest that the antibiotic resistance among P. aeruginosa increased significantly rate in Iran in the last decades, with no changes in the ribotype and serotype patterns.
Investigou-se o perfil de resistência a antibióticos, os ribotipos e os sorotipos de Pseudomonas aeruginosa isolada no Irã a partir de 1987. Os resultados indicaram que, entre os antibióticos testados, a amicacina foi o antibiótico mais eficiente, com 98.4% de inibição, seguida por tobramicina (73%) e gentamicina (71%). Entre as cefalosporinas, a sensibilidade a ceftazidima foi 93%. Entre os antibióticos testados in vitro, ciprofloxacina foi a mais eficiente. O sorotipo de maior prevalência foi O:11 (34%). Outros sorotipos encontrados foram O:5 (20%) e O:6 (15%). Treze por cento dos isolados não aglutinaram com os soros utilizados. Uma elevada porcentagem dos isolados pertencentes ao sorotipo O:11 foi resistente a pelo menos três antibióticos. Utilizando-se a enzima de restrição PuvII, as cepas foram classificadas em três ribotipos. Os resultados sugerem que a resistência a antibióticos em P. auruginosa aumentou significantemente nas últimas décadas, sem modificação dos padrões de ribotipos e sorotipos.
Reference Key
pourshafie2007brazilianribotyping Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Mohammad Reza Pourshafie;Sayed Fazlolah Mousavi;Masoumeh Parzadeh
Journal ieee software
Year 2007
DOI
10.1590/S1517-83822007000300010
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822007000300010
Keywords
Iran Pseudomonas aeruginosa

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