| Prospective observations of 100 high-risk neonates by high-field (1.5 Tesla) magnetic resonance imaging of the central nervous system. II. Lesions associated with hypoxic-ischemic encephalopathy. | |
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MedLine Citation:
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PMID: 2011418 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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One hundred neonates determined prospectively to be at risk for neurologic handicap underwent magnetic resonance imaging with a high-field (1.5 T) imager. Thirty-three demonstrated a total of 37 lesions consistent with hypoxic-ischemic encephalopathy, including periventricular leukomalacia (n = 12), basal ganglia hemorrhage (n = 5), multicystic encephalomalacia (n = 5), and focal parenchymal hemorrhage (n = 15). Diagnoses by ultrasonography and computed tomography were compared with those by magnetic resonance imaging in 29 and 17 infants, respectively. Ultrasonography agreed more frequently with magnetic resonance imaging than did computed tomography. Ultrasonography detected 79% of lesions demonstrated by magnetic resonance imaging whereas computed tomography detected only 41%. Periventricular leukomalacia was seen most often in preterm infants, basal ganglia hemorrhage and multicystic encephalomalacia primarily occurred in term infants, and focal parenchymal hemorrhage occurred at all gestational ages. Basal ganglia hemorrhage and multicystic encephalomalacia were strongly associated with histories of perinatal asphyxia, seizures, and early abnormal neurological status. All infants with basal ganglia hemorrhage (5/5) and multicystic encephalomalacia (5/5) and the majority with periventricular leukomalacia (9/12) and focal parenchymal hemorrhages (9/15) had developmental abnormalities at discharge. |
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Authors:
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S E Keeney; E W Adcock; C B McArdle |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Pediatrics Volume: 87 ISSN: 0031-4005 ISO Abbreviation: Pediatrics Publication Date: 1991 Apr |
Date Detail:
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Created Date: 1991-05-07 Completed Date: 1991-05-07 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0376422 Medline TA: Pediatrics Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 431-8 Citation Subset: AIM; IM |
Affiliation:
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Department of Pediatrics, University of Texas Medical School, Houston. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Brain Ischemia
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diagnosis*,
radiography,
ultrasonography Cerebral Hemorrhage / diagnosis*, radiography, ultrasonography Encephalomalacia / diagnosis*, radiography, ultrasonography Female Humans Infant, Newborn Leukomalacia, Periventricular / diagnosis, radiography, ultrasonography Magnetic Resonance Imaging / methods* Male Prospective Studies Risk Factors Tomography, X-Ray Computed |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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