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Utility of performing routine head ultrasounds in preterm infants with gestational age 30-34 weeks.
MedLine Citation:
PMID:  21381878     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Background. The American Academy of Neurology and Child Neurology Society recommend performing routine screening head ultrasounds (HUS) on preterm infants of less than 30 weeks gestation. Objective. To study the incidence of intraventricular hemorrhage (IVH) and evaluate the need for screening HUS in preterm infants with gestational age (GA) of 30-34 weeks. Design/Methods. Preterm infants (GA; 30-34 weeks) admitted to the neonatal intensive care unit (NICU) between January 1997 and September 2007 were included in this study. Grades of IVH were defined as per the Papile classification. Results. Screening HUS were performed on 463 infants with GA of 30-34 weeks. Twenty-seven (5.8%) infants had abnormal cranial ultrasound (US) (IVH or periventricular leucomalacia [PVL]). The incidence of IVH ranged from 3.3% to 6.3% at various GA. Seven (1.5%) infants had severe abnormalities on HUS (grades III/IV or PVL). Conclusions. A significant number of infants born between 30 and 34 weeks of gestation have abnormalities on screening cranial US. Since not all infants born at 30-34 weeks of gestation received a HUS, the incidence of HUS abnormalities might have been overestimated due to a possible 'selection bias'. Additional studies are needed to examine the adverse neurodevelopmental outcomes in this group of preterm infants with mild abnormalities (IVH grades I or II) on cranial US before recommending routine screenings for IVH.
Authors:
Vishwanath Bhat; Michelle Karam; Judy Saslow; Heidi Taylor; Kee Pyon; Nicole Kemble; Gary Stahl; Michael Goodman; Zubair H Aghai
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-7
Journal Detail:
Title:  The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians     Volume:  -     ISSN:  1476-4954     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101136916     Medline TA:  J Matern Fetal Neonatal Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Pediatrics/Neonatology, Cooper University Hospital-Robert Wood Johnson Medical School, One Cooper Plaza, Camden, NJ, USA.
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