نتایج جستجو برای: periventricular leukomalacia
تعداد نتایج: 3658 فیلتر نتایج به سال:
BACKGROUND Isolated periventricular leukomalacia, defined as periventricular leukomalacia unaccompanied by intraventricular hemorrhage, is reportedly increased in newborns with systemic hypotension and in infants who received treatment for systemic hypotension or a patent ductus arteriosus. METHODS This study sought to determine if the risk profile of one or more hypoechoic lesions unaccompan...
Periventricular leukomalacia is an important complication of hypoperfusion of the brain in immature newborn infants. In a real-time ultrasound study with frequent scanning of 120 infants of birth weight less than 1,501 g, hemorrhagic periventricular leukomalacia was observed in nine (7.5%), and in five of these infants subsequent development of cystic degeneration was noted. The overall inciden...
Periventricular leukomalacia, specifically characterized as white matter injury, in neonates is strongly associated with the damage of pre-myelinating oligodendrocytes. Clinical data suggest that hypoxia-ischemia during delivery and intrauterine or neonatal infection-inflammation are important factors in the etiology of periventricular leukomalacia including cerebral palsy, a serious case exhib...
Periventricular leukomalacia is a form of hypoxic-ischemic cerebral white matter injury seen most commonly in premature infants and is the major antecedent of cerebral palsy. Glutamate receptor-mediated excitotoxicity is a predominant mechanism of hypoxic-ischemic injury to developing cerebral white matter. We have demonstrated previously the protective effect of AMPA-kainate-type glutamate rec...
The association between measurements of lateral ventricle area (determined by serial ultrasound scans) and outcome was studied in 70 preterm neonates of 33 weeks' gestation or less. The study group was subdivided into four groups according to cranial ultrasonographic findings at 2 weeks postnatal age: group A (n = 15) had isolated periventricular/intraventricular haemorrhage; group B (n = 20) h...
Sixty seven of 216 infants weighing less than 2 kg at birth had cerebral lesions on ultrasonic scanning. Eight of 17 who had periventricular leukomalacia, with or without subependymal or intraventricular haemorrhage, or both, died. These and one larger baby were the subject of a combined ultrasound, and where appropriate, necropsy study. There was excellent correlation between the ultrasound an...
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