نتایج جستجو برای: retinopathy of prematurity
تعداد نتایج: 21167203 فیلتر نتایج به سال:
Main Outcome Measures: Investigators documented the location, extent, and severity of ROP during serial retinal examinations. The onset of the ROP’s involution was determined from a review of these data, applying a set of predetermined criteria. Results: Acute-phase ROP began to involute at a mean of 38.6 weeks postmenstrual age. In 90% of patients, the ROP began to involute before 44 weeks of ...
ee front matter & 2005 upe.2004.12.012 ng author. Tel.: 1. ess: a.fielder@imperial Summary Retinopathy of prematurity (ROP) has been recognised as an important cause of childhood blindness. It is now a treatable disease with a reduced incidence of resulting blindness. The incidence of ROP in older premature babies has declined and a new pattern of ROP has emerged attributed to increased surviva...
Retinopathy of prematurity (ROP) is related to oxygen-regulated vascular endothelial growth factor and to insulin-like growth factor-I. After premature birth, supplemental oxygen induces a retinal hyperoxic condition with vasoconstriction and to a definitive interruption of retinal vasculogenesis. Peripheral ischemia may stimulate retinal neovascularization and the onset of additional ROP-relat...
Both angiotensin II and vascular endothelial growth factor are angiogenic agents that have recently been implicated in the pathogenesis of proliferative diabetic retinopathy. In this study, retinal neovascularization was examined in a model of retinopathy of prematurity with the use of neonatal transgenic (mRen-2)27 rats, which overexpress renin in tissues, and Sprague-Dawley rats. Blockers of ...
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