Resistencia antimicrobiana de cepas de staphylococcus aureus de origen clínico humano detectada por sistema DIRAMIC
Abstract
Se caracterizaron 74 cepas circulantes de Staphylococcus aureus de origen clínico por su drogosensibilidad frente a 19 antimicrobianos mediante el método automatizado DIRAMIC. Se determinó que ninguna de las cepas fue totalmente sensible frente a todos los antimicrobianos probados. Los más efectivos fueron Norfloxacino, Azlocillina y Vancomincina para 90.5, 86.4 y 83.7% de sensibilidad, los de menos eficacia resultaron la Penicilina y Cefazolina con pobres 41.8 y 36.4 % de efectividad. Se halló que el 72% de las cepas estudiadas presentaron resistencia a 5 o más de los antibióticos utilizados, probando este dato una multiresistencia elevada. Un hallazgo significativo fue la detección de 5 cepas resistentes a la Vancomicina, antibiótico muy específico ante este tipo de gérmen
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