background: the possible role of cochlear function in tinnitus generation is still a matter of debate. to assess the role of outer hair cell dysfunction in tinnitus and its possible relationship with ultra-high frequency (uhf) hearing sensitivity, transient evoked otoacoustic emissions (teoae) and uhf hearing thresholds were investigated in normal hearing individuals with and without tinnitus. ...

background: the aim of this study was to estimate the frequency and rate of the first 50 common types of invasive procedures in iran. methods: data about the number of all invasive procedures and each type of procedure that were conducted in iran in 2010 were collected using the main insurance organizations database. these numbers were sorted in an excel database, and the first 50 invasive proc...

introduction: considering high prevalence of epileptic disease and considering that 40 percent of epileptic patients are resistant to drug therapy, it needs more researches to find new therapeutic ways. lfs is among the new methods for epilepsy treatments. one possible mechanism involved in the anticonvulsant effect of lfs is increased adenosine. therefore, in this study the role of adenosine p...

background: aeromonashydrophila (a. hydrophila) is an aquatic bacterium that can cause a spectrum of infectious diseases, including both gastrointestinal and extraintestinal infections. due to the high rate of diarrheal infections in pediatric patients in central iran, this study was designed to determine the frequency of a. hydrophila in diarrhea samples from children in this region. methods: ...

background: surface electromyography (semg) of muscles is a non-invasive tool that can be helpful in the assessment of muscle function and some motor control evaluations. a loss of force, known as muscle fatigue is accompanied by changes in muscle electrical activity. one of the most commonly used surface emg parameters which reflects paraspinal muscle fatigue during different tasks and positio...

background and objectives: this study aimed to develop and validate a food frequency questionnaire (ffq) for measuring calcium intake in 9-13 years old children in tehran, iran. materials and methods: a 56-item ffq containing main contributors of calcium in iranian diet was designed. criterion validity of the calcium specific ffq was evaluated through comparing its result with five 24-h recalls...

chemokine and chemokine receptors show several variations which may affect resistance to infectious disease. a 32 base pair deletion in the open reading frame of the human ccr5 gene (ccr5?32) results in producing a truncated antigen which fails to be presented on the surface of target cells. ccr5?32 variant is not a functional co receptor for hiv-1 entrance and delay the onset of acquired immun...

cutaneous leishmaniasis (cl) is an endemic disease in iran that is caused by leishmania parasite and transmits to human by phelebotumus sand flies. the lysis of the skin cells occurs by the parasite with the presentation of a dry sore in the rural areas and a wet sore in the urban areas. in this study, the frequency and epidemiologic parameters of cutaneous leishmaniasis patients were studied i...

background and objectives: blood stream infections cause significant morbidity and mortality in the world. in this study, we aimed at describing the organisms responsible for septicemia in 2006-2007 and their antimicrobial susceptibility that might lead to proper selection of antimicrobial agents in hospitalized patients with suspected sepsis. materials and methods: microbiology reports of 1753...