Antibiotic Resistance and Biofilm Formation in Staphylococcus saprophyticus Strains Isolated from Urine
Authors:
L. Černohorská; M. Votava
Authors place of work:
Mikrobiologický ústav LF MU a FN u sv. Anny v Brně
Published in the journal:
Epidemiol. Mikrobiol. Imunol. 59, 2010, č. 2, s. 88-91
Summary
Eighty-seven Staphylococcus saprophyticus strains isolated from urine of 87 patients with cystitis were examined in 2005–2009. All strains were tested for resistance to vancomycin, nitrofurantoin, doxycycline, oxacillin, amoxicillin/clavulanate, cefoxitin and sulfamethoxazole/trimethoprim and for biofilm formation by a modified Christensen method.
None of the tested strains of S. saprophyticus showed resistance to vancomycin, while 2 strains (2.3 %) were resistant to nitrofurantoin, 9 (10.3%) to doxycycline, 20 (23.0 %) to oxacillin, 6 (6.9%) to amoxicillin/clavulanate, 6 (6.9%) to cefoxitin and 1 (1.1%) to sulfamethoxazole/trimethoprim.
S. saprophyticus was detected as the causative agent of cystitis in 0.4 % of 20,375 culture positive urine samples analyzed in our laboratory between 2005 and 2009. Most 67 (77.0%) S. saprophyticus strains were recovered from women, particularly from young women. Biofilm formation was detected in 16 (18.4 %) out of 87 S. saprophyticus strains.
Key words:
S. saprophyticus – urinary tract infection – biofilm – antibiotics.
Zdroje
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Štítky
Hygiene and epidemiology Medical virology Clinical microbiologyČlánok vyšiel v časopise
Epidemiology, Microbiology, Immunology
2010 Číslo 2
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