Document Detail

Polycythemia in the newborn.
MedLine Citation:
PMID:  11876126     Owner:  NLM     Status:  MEDLINE    
Polycythemia is defined as a venous hematocrit above 65%. The relationship between viscosity and hematocrit is almost linear till 65% and exponential thereafter. Increased viscosity of blood is associated with symptoms of hypo-perfusion. The hematocrit in a newborn peaks at 2 hours of age and decreases gradually after that. The etiology of polycythemia is related either to intra-uterine hypoxia or secondary to fetal transfusion. Clinical features related to hyperviscosity may affect all organ systems and this entity should be screened for in high-risk infants. Polycythemia maybe symptomatic or asymptomatic and guidelines for management of both types are provided in the protocol.
Amit Upadhyay; Rajiv Aggarwal; Ashok K Deorari; Vinod K Paul
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Indian journal of pediatrics     Volume:  69     ISSN:  0019-5456     ISO Abbreviation:  Indian J Pediatr     Publication Date:  2002 Jan 
Date Detail:
Created Date:  2002-03-05     Completed Date:  2002-04-17     Revised Date:  2005-11-16    
Medline Journal Info:
Nlm Unique ID:  0417442     Medline TA:  Indian J Pediatr     Country:  India    
Other Details:
Languages:  eng     Pagination:  79-82     Citation Subset:  IM    
Division of Neonatology, Department of Pediatrics, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India.
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MeSH Terms
Blood Viscosity
Infant, Newborn
Polycythemia / diagnosis*,  epidemiology,  etiology,  therapy*

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