نتایج جستجو برای: streptococcus pneumonia

تعداد نتایج: 103036  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده علوم 1392

قرارگیری میکروارگانیسم ها در ساختاری به نام بیوفیلم موجب حفاظت سلول ها در برابر ترکیبات ضد میکروبی شده و مقابله با این ساختار ها را دشوار می نماید. از آن جا که میکروارگانیسم های مولد بیوفیلم عامل بسیاری از مشکلات در صنعت و پزشکی می باشند، دستیابی به شیوه های جدید برای حذف و مهار این ساختار ها ضروری است. در این پژوهش 17 گیاه انتخاب و تاثیر عصاره های الکلی آن ها بر باکتری های staphylococcus aure...

Journal: :jundishapur journal of microbiology 0
hamidreza naderi department of infectious diseases, imam reza teaching hospital, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran fereshte sheybani department of infectious diseases, imam reza teaching hospital, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran; department of infectious diseases, imam reza teaching hospital, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran. tel: +98-9151254062, fax: +98-5138407742 mohammadreza sarvghad department of infectious diseases, imam reza teaching hospital, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran zahra meshkat department of clinical microbiology and virology, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran mehdi jabbari nooghabi department of statistics, faculty of mathematics, ferdowsi university, mashhad, ir iran

conclusions tuberculosis was an important cause of cap in our region. hence, it should be considered in all patients admitted with a cap diagnosis. results among 120 patients with cap, the most common etiology was s. pneumoniae (24.4%), followed by mycobacterium tuberculosis (17.5%), s. aureus (6.7%), polymicrobial agents including anaerobes (4.2%), complicated hydatid cyst (2.5%), influenza a ...

Journal: :iranian journal of neonatology 0
zahra abbasi shaye resident of community medicine ehsan alaee neonatalogist maryam abbasi shaye student of biology, microbial biotechnology,biology departement, faculty of science, ferdowsi university, mashhad, iran matin bakhtiari imam zaman hospital, department of pediatrics, mashhad university of medical science, mashhad, iran

meningitis, pneumonia, and sepsis in newborns and young infants (age < 60 days) are the main causes of childhood mortality in developing countries. even though streptococcus pneumonia is the most commonly detected microorganism in pediatric bacterial meningitis, it is rare in newborn infants. the following article reports a case of pneumococcal meningitis that was detected early in a newborn in...

Journal: :iranian red crescent medical journal 0
samira habibian department of medical microbiology, tonokabon azad university of medical sciences, tonokabon, ir iran ali mehrabi-tavana health management research center, department of medical microbiology, faculty of medicine, baqiyatallah university of medical sciences, tehran, ir iran zyanab ahmadi molecular biology research center, baqiyatallah university of medical sciences, tehran, ir iran morteza izadi health research center, baqiyatallah university of medical sciences, tehran, ir iran nematolah jonaidi health research center, baqiyatallah university of medical sciences, tehran, ir iran jalalodin darakhshanpoure department of medical microbiology, tonokabon azad university of medical sciences, tonokabon, ir iran

conclusions the emergence of streptococcus pneumoniae strains with multiple resistance needs permanent monitoring of antibiotic susceptibility patterns of clinical isolates. we have found that ceftazidime is not a suitable drug for choosing the treatment of pneumococcal infections. results the study showed that three strains (6%) and six strains (12%) indicated intermediate resistance and compl...

Journal: :jundishapur journal of microbiology 0
farzaneh khodaei department of microbiology, school of medicine, tehran university of medical sciences, tehran, ir iran ali ahmadi molecular biology research center, baqiyatallah university of medical sciences, tehran, ir iran shirin sayahfar division of pediatric infectious diseases, department of pediatrics, ali asghar children hospital, iran university of medical sciences, tehran, ir iran gholamreza irajian department of microbiology, school of medicine, iran university of medical sciences, tehran, ir iran malihe talebi department of microbiology, school of medicine, iran university of medical sciences, tehran, ir iran; department of microbiology, school of medicine, iran university of medical sciences, tehran, ir iran. tel: +98-2186703193

conclusions our results indicated that the dissemination of pi-1 was widespread in s. pneumoniae isolates, although no pi-2 isolates were detected. furthermore, the frequency of rlra and rrgc of clinical isolates was significantly more than that of normal flora isolates. results the results confirmed the presence of rlra and rrgc genes in both clinical (n = 39) and normal flora (n = 26) isolate...

Journal: :novelty in biomedicine 0
zahra arab-mazar infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, tehran, ir iran shervin shokouhi infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, tehran, ir iran amirhossein moghtader mojhdehi infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, tehran, ir iran

background: streptococcus pneumoniae (s. pneumoniae) is a gram-positive pathogen bacteria which causes a variety of diseases, including otitis media, bacteremia, and meningitis. cases report : a 19-year-old man with paroxysm was admitted to emergency department of hospital. he was diagnosed with s. pneumoniae meningitis on the basis of an analysis of the cerebrospinal fluid and blood culture. c...

Journal: :iranian red crescent medical journal 0
ali mehrabi tavana health management research center, baqiyatallah university of medical sciences, tehran, ir iran; molecular biology research center, baqiyatallah university of medical sciences, tehran, ir iran. tel: +98-2188600062, fax: +98-2188600062 ramazan ali ataee department of medical microbiology, faculty of medicine, baqiyatallah university of medical sciences, tehran, ir iran

results the results of this study showed some s. pneumoniae serotypes were found in both sexes and some only in one sex invasive infections. for example, serotypes 10, 14, 18 and 22 were only in female patients with infections. conclusions the analysis of the results had suggested that serotypes 6 from lung and 19 from eye are the most abundant bacterial strains isolated from patients. the dise...

Journal: :acta medica iranica 0
ramina mahboobi department of pathobiology, school of public health, tehran university of medical sciences, tehran, iran. davoud afshar department of pathobiology, school of public health, tehran university of medical sciences, tehran, iran. mohammad reza pourmand department of pathobiology, school of public health, tehran university of medical sciences, tehran, iran. rahil mashhadi urology research center, tehran university of medical sciences, tehran, iran.

pneumococcal autolysins are enzymes involved in cell wall turnover and cellular division physiologically. they have been found to be involved in the pneumococcus pathogenesis. the aim of this study was to identify the autolytic activity of spr1754 as a novel protein of streptococcus pneumoniae . moreover, the binding of the recombinant protein to plasma proteins was also determined. the spr1754...

Journal: :international journal of pediatrics 0
manoochehr karami modeling of non communicable diseases research center, hamadan university of medical sciences, hamadan, iran. bahram haghighi department of epidemiology, school of public health, hamadan university of medical sciences, hamadan, iran. alireza soltanian department of biostatistics, school of public health, modeling of noncommunicable diseases research center, hamadan university of medical sciences, hamadan, iran. ardashir khosravi ministry of health and medical education, cardiovascular research center, tehran university of medical sciences, iran.

background: streptococcus pneumoniae and haemophilus influenzae type b (hib) is a leading cause of bacterial pneumonia, meningitis, and sepsis in children under 5-year of age. this study aims to estimate potentially preventable number of cases and deaths caused by hib and pneumococcal in iran.materials and methods:we used the burden of diseases model estimates of the world health organization (...

Background: Streptococcus pneumoniae and Haemophilus influenzae type b (Hib) is a leading cause of bacterial pneumonia, meningitis, and sepsis in children under 5-year of age. This study aims to estimate potentially preventable number of cases and deaths caused by Hib and pneumococcal in Iran.Materials and Methods:We used the burden of diseases model estimates of the World Health Organization (...

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