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Phenotypic profiles of nosocomial Staphylococcus aureus isolates of Iligan City, Philippines

By: Lucilyn L. Maratas, Muriel Faith A. Goles

Key Words: Staphylococcus aureus, Nosocomial strains, Antibiotic resistance, CLSI.

Int. J. Biosci. 13(1), 118-122, July 2018.

DOI: http://dx.doi.org/10.12692/ijb/13.1.118-122

Certification: ijb 2018 0096 [Generate Certificate]

Abstract

The increase of resistance of Staphylococcus aureus against commonly used antibiotics is perceived as a threat in therapeutic fields. The present study investigates the susceptibility of nosocomial strains of S. aureus against four major antibiotics: erythromycin, clindamycin, oxacillin and vancomycin. Ninety-four previously identified S. aureus nosomonial isolates were reconfirmed following the standard microbiological procedures for the isolation and identification of S. aureus: cultural, morphological and biochemical characterizations. Antibiograms of all isolates were determined employing the current guidelines of the Clinical and Laboratory Standards Institute (CLSI) on Müeller Hinton Agar. The resistance phenotypes were highest against clindamycin at 51% (48 isolates), making it the least effective antibiotic. Resistance against oxacillin and erythromycin were 46% (43 isolates) and 38% (36 isolates), respectively. The results indicated that the isolates are still susceptible to vancomycin which has the lowest resistance at 4% (4 isolates), making it the most effective antibiotic.

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Phenotypic profiles of nosocomial Staphylococcus aureus isolates of Iligan City, Philippines

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Lucilyn L. Maratas, Muriel Faith A. Goles.
Phenotypic profiles of nosocomial Staphylococcus aureus isolates of Iligan City, Philippines.
Int. J. Biosci. 13(1), 118-122, July 2018.
https://innspub.net/ijb/phenotypic-profiles-nosocomial-staphylococcus-aureus-isolates-iligan-city-philippines/
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