background: chest radiography is one of the most usual diagnostic tools for respiratory distress. objective: the purpose of this study is to assess the specificity, sensitivity and clinical value of chest radiography of neonates with respiratory distress.patients and methods: a descriptive- analytical study was conducted on 102 neonates that were in neonatal intensive care unit of imam reza and...

parapharyngeal abscess is a life-threatening disease. upper respiratory tract infection is the main cause in children. we present a 15-month-old boy admitted to the emergency ward with the chief complaint of difficulty in breathing caused by parapharyngealabscess. his condition deteriorated gradually, and he transferred to the operation theater quickly for abscess drainage and because of the di...

Toll like receptors (TLRs) with a myeloid differentiation antigen (CD14) recognize and bind various structures from invading microbes and then trigger cell activation. They initiate a variety of effectors' functions, including cytokine secretion, proliferation, co-stimulation or phagocyte maturation. The aim of this study was to evaluate Toll-like receptor 4 (TLR4) and CD14 expression in childr...

despite improvement of mechanical ventilation devices for infants, lung injury still causes morbidity and mortality in many cases. to determine the effect of high frequency oscillatory ventilation (hfov) in infants with severe respiratory failure, 10 neonates were evaluated prospectively. mean gestational age of these patients was 35 weeks and alveolar-arterial oxygen gradient (a-ado2) and the ...