Faccone Diego, Andres Patricia, Galas Marcelo, Tokumoto Marta, Rosato Adriana, Corso Alejandra
Servicio Antimicrobianos, INEI-ANLIS "Dr. Carlos G. Malbrán," Av. Velez Sarsfield 563 (1281), Buenos Aires, Argentina.
J Clin Microbiol. 2005 Nov;43(11):5800-3. doi: 10.1128/JCM.43.11.5800-5803.2005.
Streptococcus pneumoniae is a major pathogen causing community-acquired pneumonia and acute bronchitis. Macrolides, fluoroquinolones (FQs), and, recently, telithromycin (TEL) constitute primary therapeutic options, and rare cases of resistance have been reported. In this report, we describe the emergence of an S. pneumoniae clinical isolate with high-level TEL resistance (MIC, 256 microg/ml) and simultaneous resistance to FQs. Ongoing studies are oriented to elucidate the precise mechanism of resistance to TEL.
肺炎链球菌是引起社区获得性肺炎和急性支气管炎的主要病原体。大环内酯类、氟喹诺酮类(FQs)以及最近的泰利霉素(TEL)是主要的治疗选择,且已有耐药罕见病例的报道。在本报告中,我们描述了一株对泰利霉素具有高水平耐药性(MIC,256μg/ml)且同时对氟喹诺酮类耐药的肺炎链球菌临床分离株的出现。正在进行的研究旨在阐明对泰利霉素耐药的确切机制。