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Query: UMLS:C0085584 (encephalopathy)
 18,178 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

We describe the clinical syndrome, medical management, etiology, and neurologic outcome of stroke diagnosed by computed tomographic scan in 11 full-term neonates encountered during a two-year period. Neonatal stroke is relatively common and may appear in the setting of diverse cerebrovascular disorders such as hypoxic-ischemic encephalopathy, polycythemia, acute severe hypertension, and embolization. Repetitive, persistently unifocal motor seizures heralded localized cerebral injuries in eight infants. The majority of patients did not display any other lateralized clinical neurologic signs. An electroencephalogram revealed a focal or lateralized functional central nervous system abnormality in ten cases. All of the initial computed tomographic scans were focally abnormal. However, cranial ultrasound examinations were insensitive to stroke in nine patients. Medical management included careful cardiorespiratory support, correction of coexisting metabolic or system abnormalities, and aggressive administration of anticonvulsants to promptly eliminate seizures. Limited follow-up suggests that many affected infants may enjoy favorable outcomes.
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PMID:Focal motor seizures heralding stroke in full-term neonates. 400 65

Neonatal brain disorders consist of a wide chapter including brain malformations, hypoxic-ischemic encephalopathy (HIE), intracranial infections, perinatal trauma and metabolic encephalopathy. We will focus here on HIE, intracranial infections (especially materno-fetal infection with or without prolonged and/or premature rupture of membranes) and metabolic encephalopathy, those three conditions being the most frequent so far in our experience. Neonatal stroke is also analyzed. Moreover minor perinatal events might be superimposed on an already damaged (infective, edematous, metabolically abnormal or maldeveloped) brain, highlighting the main role and potential benefits of neuroimaging during the neonatal period. The different methods of brain imaging are thus reported with their advantages and disadvantages.
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PMID:Neuroimaging of neonatal encephalopathies. 1759 Apr 40

Neonatal stroke presents with features of encephalopathy and can result in significant morbidity and mortality. We investigated the cerebral metabolic and haemodynamic changes following neonatal stroke in a term infant at 24 h of life. Changes in oxidation state of cytochrome-c-oxidase (oxCCO) concentration were monitored along with changes in oxy- and deoxy- haemoglobin using a new broadband near-infrared spectroscopy (NIRS) system. Repeated transient changes in cerebral haemodynamics and metabolism were noted over a 3-h study period with decrease in oxyhaemoglobin (HbO2), deoxy haemoglobin (HHb) and oxCCO in both cerebral hemispheres without significant changes in systemic observations. A clear asymmetry was noted in the degree of change between the two cerebral hemispheres. Changes in cerebral oxygenation (measured as HbDiff=HbO2-HHb) and cerebral metabolism (measured as oxCCO) were highly coupled on the injured side of the brain.
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PMID:In Vivo Measurement of Cerebral Mitochondrial Metabolism Using Broadband Near Infrared Spectroscopy Following Neonatal Stroke. 2778 76