نتایج جستجو برای: resistant streptococcus pneumoniae

تعداد نتایج: 243419  

Journal: :journal of medical bacteriology 0
ali ahmadi applied microbiology research center, baqiyatallah university of medical sciences, tehran, iran. farzaneh khodaei department of microbiology, school of medicine, tehran university of medical sciences, tehran, iran. maryam esghaei department of virology, iran university of medical sciences, tehran, iran. gholamreza irajian department of microbiology, school of medicine, iran university of medical sciences , tehran, iran. malihe talebi department of microbiology, school of medicine, iran university of medical sciences , tehran, iran.

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...

Journal: :The European respiratory journal 2006
Y Fukuda K Yanagihara Y Higashiyama Y Miyazaki Y Hirakata H Mukae K Tomono Y Mizuta K Tsukamoto S Kohno

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...

Journal: :jundishapur journal of microbiology 0
mohammad najafi mosleh department of microbiology, faculty of medicine, hamadan university of medical sciences, hamadan, ir iran marzieh gharibi department of microbiology, faculty of medicine, hamadan university of medical sciences, hamadan, ir iran; department of microbiology, faculty of medicine, hamadan university of medical sciences, hamadan, ir iran. tel: +98-9173772538, fax: +98-7712531750 mohammad yousef alikhani department of microbiology, faculty of medicine, hamadan university of medical sciences, hamadan, ir iran massoud saidijam department of molecular medicine and genetics, hamadan university of medical sciences, hamadan,ir iran giti kalantarian department of biochemistry, faculty of medicine, hamadan university of medical sciences, hamadan, ir iran

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...

Journal: :Antimicrobial agents and chemotherapy 2014
Cong-Ran Li Qian-Qian Zhai Xiu-Kun Wang Xin-Xin Hu Guo-Qing Li Wei-Xin Zhang Jing Pang Xi Lu Hong Yuan Mikhail Fedorovich Gordeev Le-Tian Chen Xin-Yi Yang Xue-Fu You

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...

Journal: :Journal of the College of Physicians and Surgeons--Pakistan : JCPSP 2009
Muhammad Ishaque Syed Shaukat Hussain Abid Mahmood

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...

2009
Angel Vila-Corcoles Ferran Bejarano-Romero Elisabeth Salsench Olga Ochoa-Gondar Cinta de Diego Frederic Gomez-Bertomeu Xavier Raga-Luria Xavier Cliville-Guasch Victoria Arija

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...

2016
Li-min Wang Xiao-liang Qiao Liang Ai Jing-jing Zhai Xue-xia Wang

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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