this study was undertaken to define the prevalence of the upper gastrointestinal (gi) lesions, dyspeptic symptoms, h.pylori infection, and the impact of duration of dialysis on upper gi symptoms and lesions of children with end-stage renal disease. we studied 69 children with esrd who were under regular hemodialysis therapy in our department. the age of the patients were between 4-18 years (mea...

nitric oxide is a short-lived mediator, which can be induced in a variety of cell types and produces many physiologic and metabolic changes in target cells. it is important in many biological functions and generated from l-arginine by the enzyme nitric oxide synthase. nitric oxide conveys a variety of messages between cells, including signals for vasorelaxation, neurotransmission and cytotoxici...

Abstract One of the main cause of severe respiratory infection in infants and young children is respiratory syncytial virus (RSV). The disease can also occur in adults and elderly individuals and clinically not to be differentiated from other viral respiratory infection. The disease causes bronchiolitis, and sometimes pneumonia in new born and young children which requires hospital care. To di...

bacillus calmette guerin (bcg) developed by albert calmette and camille guerin in france between 1908 and 1921 contained a live attenuated strain of mycobacterium bovis and was administered worldwide to prevent tuberculosis. bcg vaccination is also administered at birth to all the newborns in iran. disseminated bcg infection after bcg vaccination is rare. here in, we report 2 new cases of disse...

conclusions special high-risk groups, including patients with ltbi, should be treated before receiving tnf-α inhibitors. the tuberculin skin test (tst) is a somewhat cost-effective test for the diagnosis of ltbi. however, its usefulness with respect to false results should be re-evaluated in this situation. results there were somewhat different approaches proposed by various researchers regardi...

absractthis study investigated a 63-day boy with end stage renal disease and abdominalcysts. the antenatal sonography detected anhydraminos, posterior urethral valve,and cystic dysplastic kidneys. voiding cystourethrogram revealed two obstructivegiant diverticula which at first looked like enlarged renal pelvis. the patient had persistenturinary tract infection and perforation of diverticula. t...

chronic granulomatous disease is an inherited defect in intracellular killing of ingested microorganisms characterized by recurrent life threatening bacterial and fungal infections including invasive aspergillosis in early childhood. we report  a  disseminated aspergillosis as  the  representative  of  adult  onset  chronic granulomatous disease without previous infection, with dramatic respons...