نتایج جستجو برای: resistant streptococcus pneumoniae
تعداد نتایج: 243419 فیلتر نتایج به سال:
introduction : streptococcus pneumoniae cause morbidity and mortality in infants and younger children. because of high prevalence of penicillin resistance, rapid and reliable diagnostic techniques for penicillin non-susceptible s. pneumoniae (pnssp) are important for prevention and treatment. we investigated the association of the restriction length polymorphism (rflp) patterns for pbp2b to dis...
To clarify the discrepancy between increasing resistance and conservative clinical effects of macrolides on macrolide-resistant Streptococcus pneumoniae, the authors evaluated the effects of sub-minimum inhibitory concentrations of macrolides on pneumolysin. In vitro, S. pneumoniae was incubated with 1, 2 and 4 microg.mL(-1) of clarithromycin (CLR) and azithromycin (AZM) for 8 h. Western blot a...
results the number of s. pneumoniae isolates resistant to benzylpenicillin, imipenem, oxacillin and ceftazidime were 94.5%, 100%, 100%, and 21.8%, respectively. analysis of mutation in the genes for pbp showed that 85% of isolates had mutations in pbp2x, pbp2b and pbp1a. susceptibility to benzylpenicillin was decreased once the number of mutated pbp genes in s. pneumonia increased. according to...
MRX-I is a potent oxazolidinone antibiotic against Gram-positive pathogens, including methicillin-resistant Staphylococcus aureus (MRSA), penicillin-resistant Streptococcus pneumoniae (PRSP), penicillin-intermediate S. pneumoniae (PISP), and vancomycin-resistant enterococci (VRE). In this study, the in vivo efficacy of orally administered MRX-I was evaluated using linezolid as a comparator. MRX...
A rare case of parapharyngeal abscess caused by Streptococcus pneumoniae presenting as neck abscess is reported. The patient had 20 days history of cough, fever and swelling behind right ear. He had not responded to multiple antibiotic treatments given earlier. On the basis of clinical examination and CT scan finding, he was diagnosed as having parapharyngeal abscess pointing in the neck. The a...
BACKGROUND Pneumococcal diseases remain a major cause of morbidity and mortality worldwide. Updated data on drug-resistance from different populations may be important to recognize changes in disease patterns. This study assessed current levels of penicillin resistance among Streptococcus Pneumoniae causing pneumonia in Spanish middle age and older adults. METHODS Antimicrobial susceptibility...
Haemophilus influenzae, Streptococcus pyogenes, Moraxella catarrhalis, Staphylococcus aureus, and Streptococcus pneumoniae are usual cause of upper respiratory tract infection cases. The present study aims the isolation of bacterial strains which are resistant to the commonly prescribed antibiotics. In total, 900 throat swabs were obtained from the patients suffering from upper respiratory trac...
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