background nephrolithiasis in children is an important cause of morbidity worldwide. the current retrospective study aims at identifying epidemiological characteristics and risk factors of nephrolithiasis among children under 18 years old attending at nephrology clinic of amir kabir hospital of arak, iran, in 2014. methods the current case-control study was conducted among 166 children in 2 equ...

objective febrile seizure is the most common problem in pediatric neurology that occurs in 3- 4 % of children. the purpose of this study was to determine febrile seizure recurrence frequency and to evaluate its risk factors. materials & methods in a descriptive prospective study, 139 children (6 months to 6 years) with first febrile seizure were admitted to yazd shaheed sadoughi hospital betwee...

conclusions the results showed that the effect of several psychosocial, behavioral, and demographic risk factors on adolescents' smoking status. thus, design and implementation of interventions based on the results of the present study may be effective in preventing tobacco smoking among adolescents. patients and methods this cross-sectional study was performed on 810 male adolescents recruited...

vancomycin-resistant enterococci (vre) are becoming a major concern in medical practice. their increased prevalence and their ability to transfer vancomycin resistance to other bacteria have made them a subject of close scrutiny and intense investigation. colonization is usually acquired by susceptible hosts in an environment with a high rate of patient colonization with vre. the aim of this st...

introduction: bipolar affective disorder is cyclic swinging of mood between mania or hypo-mania and depression. lifetime prevalence of bipolar disorder is 2.4%. a numbers of risk factors are associated with bipolar disorders including age, sex, and genetic predisposition, environmental factors and socioeconomic status. the main objective of the conducted study was to assess vulnerability for bi...

background: alzheimer’s disease (ad) is the most common type of dementia. demonstrating the modifiable risk factors of ad can help to plan for prevention of this disease. the aim of the current review was to characterize modifiable cardiovascular risk factors of ad using existing data and determine their contribution in ad development in iran and the world. methods: the systematic search was do...

results total prevalence's of subjects with wrist-hand, shoulder-arm, neck back and lower limb disorders were obtained 556 (82.6%), 352 (52.3%), 238 (35.4%), 454 (67.5%), and 149 (22.1%) respectively (p = 0.028). the highest cumulative risk was corresponded to wrist-hand, and after that were cumulative risks of back, shoulder-arm, neck, and lower limb respectively. objectives this study was con...

Levels of cardiac glycogen were determined by biochemical assays in turkey poults from an experimental flock with a known high incidence of round heart disease. Levels of cardiac glycogen were significantly higher (p < .05) than in commercial turkeys, but not significantly different in the turkeys that developed spontaneous round heart disease. The high level of cardiac glycogen in the poults o...

We propose a novel shape-constrained flock animation system for interactively controlling flock navigation in virtual environments. This system is capable of making the spatial distribution of a flock meet static or deforming shape constraints while performing flock simulation. Such a capability can find many applications in the entertainment industry. Given a 3D constraining shape, our system ...