Background: The purpose of this study was to calculate and compare the specificity and sensitivity of impulse oscillometry (IOS) as a new technique in the detection of airways dysfunction by means of a simple pulmonary function test in chemical warfare injured cases suffering from respiratory diseases. Methods: The study was performed prospectively in 100 patients, who complained of dyspnea as ...

background: due to some limitations of serological methods in diagnosis of patients infected with hiv-1 (human immunodeficiency virus) and hcv (hepatitis c virus), it is profoundly important to use molecular methods for the detecting of these infectious agents. however, the most significant problems are the exorbitant cost of these methods and the need of a thermocycler which is an expensive in...

Background: Researchers and health specialists are increasingly obtaining information on chronic illnesses from self-reports. This study validates self-reports of hypertension, based on a recently fielded survey in Mashhad City, Iran. Methods: In this cross-sectional study, we used the results of 2015 census in Mashhad City, a population based survey of people over the age of 30 (n=300745) to ...

Scientimammography (SMM) is a new non-invasive method of imaging breast tumors which in various studies the overall sensitivity of 83%-95.8% and specificity of 52%-95% is reported. The purpose of our study was to evaluate the usefullness of 99mTc-MIBI SMM in our environment in detecting breast cancer and in reducing the rate of biopsy. 65 patients aged 23-70 years were included in this st...

identification of acid-fast bacilli (afb) in sputum or tissue samples is among definite diagnostic methods of tuberculosis. however, this method of diagnosis is restricted by certain limitations.   serologic diagnosis of tuberculosis (tb) has been used for a long time. the aim of this study was to determine the sensitivity and , specificity of antigen 60 (a60) igg, iga, igm test results in tb d...