background: ventilator-associated pneumonia (vap) is the most prevalent and lethal form of nosocomial infections in the icu and oral disinfection is a nursing measure to prevent this condition. aim: this study aimed to evaluate the effect of oronasal versus oral disinfections with chlorhexidine on the clinical criteria for diagnosis of vap. method: this randomized clinical trial was conducted o...

following the recent work of the authors in development and numerical verification of a new kinematic approach of the limit analysis for surface footings on non-associative materials, a practical procedure is proposed to utilize the theory. it is known that both the peak friction angle and dilation angle depend on the sand density as well as the stress level, which was not the concern of the fo...

we determined the frequency of clinical thyroid ophthalmopathy in iranian patients. this cross-sectional study was performed at the endocrinology institute of tehran university of medical sciences. all patients with documented thyroid disorders from september 2003 to july 2005 were recruited. eye examinations included evaluation of soft tissue changes, measurement of proptosis, lid width, lagop...

conclusions the results revealed that the novel multi-epitope dna construct could be an effective candidate in tuberculosis vaccine development, and it is qualified to investigate its potential to induce cd4 and cd8 t- cell immune response in the experimental animal model. results mhc class i-and class ii-predicted epitopes showed a high potential to binding to human hlas alleles, with global b...

conclusions results indicates that antigenic region of recombinant caga protein were recognized as an antigen , so it might be a candidate for the development of h. pylori vaccine, elisa kit designs and serological diagnosis of h. pylori infections. background helicobacter pylori is a human pathogen that causes chronic gastritis, which playsrole in gastric and duodenal ulcers, is also involved ...

background: alteration in peripheral blood lymphocytes (pbls) is usually investigated to provide an evidence of the host immune responses to tumor antigens. the tumor infiltrating nk cells interact most closely with the tumor cells and more accurately reflect tumor host interactions. objective: to analyze peripheral blood and tumor associated natural killer (nk) cells in patients with breast ca...

conclusions nearly one-third (27.5%) of our cohort developed nephrotoxicity within the first week of amb treatment. hypokalemia and renal potassium wasting were more notable, affecting about one-half and one-third of the amb recipients, respectively. results among the 40 patients recruited for the study, 11 (27.5%) patients developed amb nephrotoxicity with a mean ± standard deviation onset of ...

background: measuring of maternal serum pregnancy-associated plasma protein-a (papp-a) in first trimester can be a way for early detection of adverse prenatal outcome due to faulty placenta.objective: the aim was to determination of association between placental thickness in second trimester with low level of papp-a in first trimester.materials and methods: in this cohort study, serum papp-a of...

background and aim: ventilator-associated pneumonia (vap) is the second most common infection within intensive care units (icus). happening in patients requiring mechanical ventilation for more than 48 hours, the disease is associated with high morbidity and mortality. this study aims to compare the effects of matrica and chlorhexidine mouthwashes on the prevention of vap among patients hospita...

background: oral care plays an inevitable role in health and well-being of patients in intensive care units (icus). poor oral care causes colonization of respiratory pathogens and secondary respiratory infections. ventilator-associated pneumonia occurs in patients on mechanical ventilation for more than 48 hours. it results in prolonged duration of mechanical ventilation, mortality and health e...