2026-06-14T05:06:05Zhttps://repisalud.isciii.es/rest/oai/requestoai:repisalud.isciii.es:20.500.12105/74122024-09-27T23:17:08Zcom_20.500.12105_2052com_20.500.12105_2051col_20.500.12105_19609
Repisalud
author
de la Campa, Adela G
author
Balsalobre-Arenas, Maria Luz
author
Ardanuy, Carmen
author
Fenoll, Asuncion
author
Pérez-Trallero, Emilio
author
Liñares, Josefina
funder
Instituto de Salud Carlos III
funder
Ministerio de Ciencia y Tecnología (España)
2019-03-27T14:23:40Z
2019-03-27T14:23:40Z
2004-10
Emerg Infect Dis. 2004;10(10):1751-9.
10.3201/eid1010.040382
1080-6040
Emerging Infectious Diseases
15504260
http://hdl.handle.net/20.500.12105/7412
Among 2,882 Streptococcus pneumoniae sent to the Spanish Reference Laboratory during 2002, 75 (2.6%) were ciprofloxacin-resistant. Resistance was associated with older patients (3.9% in adults and 7.2% in patients > or =65 years of age), with isolation from noninvasive sites (4.3% vs. 1.0%), and with penicillin and macrolide resistance. Among 14 low-level resistant (MIC 4-8 microg/mL) strains, 1 had a fluoroquinolone efflux phenotype, and 13 showed single ParC changes. The 61 high-level ciprofloxacin-resistant (MIC > or =16 microg/mL) strains showed either two or three changes at ParC, ParE, and GyrA. Resistance was acquired either by point mutation (70 strains) or by recombination with viridans streptococci (4 strains) at the topoisomerase II genes. Although 36 pulsed-field gel electrophoresis patterns were observed, 5 international multiresistant clones (Spain23F-1, Spain6B-2, Spain9V-3, Spain14-5 and Sweden15A-25) accounted for 35 (46.7%) of the ciprofloxacin-resistant strains. Continuous surveillance is needed to prevent the dissemination of these clones.
eng
Fluoroquinolone Resistance in Penicillin-resistantStreptococcus pneumoniaeClones, Spain
journal article
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URL
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FluoroquinoloneResistanceInPenicillin_2004.pdf
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https://repisalud.isciii.es/bitstreams/09a71f40-c546-4ac3-bac7-410d377e10b4/download
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FluoroquinoloneResistanceInPenicillin_2004.pdf.txt