Reza Norouzirad

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BACKGROUND The duration of protection following primary series vaccination against hepatitis B is unknown in children and adolescents. It has been shown that the level of anti-hepatitis B surface antigen antibodies (anti HBs Ab) declines over years after vaccination. OBJECTIVES The aim of this study was to estimate the long-term immunity against hepatitis(More)
PURPOSE To determine the prevalence of keratoconus and some associated factors in the students of Mashhad University of Medical Sciences, Iran. METHOD In this cross sectional study, multistage cluster sampling was used to select the participants. All participants underwent retinoscopy, slit lamp examination, topography with the TMS-4 and corneal(More)
OBJECTIVE This study aimed to evaluate serum levels of pro-inflammatory cytokines and TGF-β in sickle cell disease (SCD) patients, and to compare the results during vaso-occlusive crisis (VOC) or steady state (StSt) conditions. METHODS 54 SCD patients (37HbSS and 17Sβ(+)Thal) were enrolled in the study and evaluated in two groups as follows; group A(More)
PURPOSE To determine the distribution and normal range of the corneal resistance factor (CRF) and corneal hysteresis (CH) in the 6- to 18-year age range and their relationship with biometric components. SETTING Dezful, Iran. DESIGN Cross-sectional study. METHODS This study of Dezful school children used a multistage, stratified, cluster approach(More)
PURPOSE To determine the distribution of ocular biometric components and their correlation with age and sex during the ages of ocular development in a 6- to 18-year-old population in Iran. METHOD In this cross-sectional study, which was performed in October 2012, multi-stage stratified cluster sampling was used to sample the study population from Dezful(More)
BACKGROUND Road traffic injuries are among the leading causes of death in the world and Iran. OBJECTIVES The aim of this study was to assess the role of age, sex, education, and time of accident on human casualties and mortalities of road crashes in Iran. MATERIALS AND METHODS This study was based on data gathered by Iranian Police Department from the(More)
PURPOSE The prevalence of astigmatism, and the astigmatic axis, and their determinants were evaluated in a rural population of Iran. MATERIALS AND METHODS In a cross-sectional study conducted from May to August 2011, 13 villages in the vicinity of the city of Khaf in northeast Iran were investigated in this study. All the examinations including visual(More)
PURPOSE To determine the prevalence of refractive errors among high school students. METHODS In a cross-sectional study, we applied stratified cluster sampling on high school students of Aligoudarz, Western Iran. Examinations included visual acuity, non-cycloplegic refraction by autorefraction and fine tuning with retinoscopy. Myopia and hyperopia were(More)
The prevalence of obesity and diabetes is increasing worldwide. Obesity and diabetes are associated with oxidative stress, inflammation, endothelial dysfunction, insulin resistance, and glucose intolerance. Obesity, a chronic hypoxic state that is associated with decreased nitric oxide (NO) bioavailability, is one of the main causes of type 2 diabetes. The(More)
BACKGROUND Urinary tract infection (UTI) is the most common disorder caused by bacterial agents in pregnancy, which can lead to important complications in newborn of such mothers in case of inappropriate diagnosis and treatment. OBJECTIVES The purpose of this study was to study the prevalence of UTI among pregnant women and its complications in their(More)