Document Detail

The correlation between automated hematology and manually read smears for the determination of nucleated red blood cells in umbilical cord blood.
MedLine Citation:
PMID:  16147823     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To determine the correlation between automated hematology nucleated red blood cell counts and manual counts in umbilical cord blood. METHODS: Umbilical cord venous blood was obtained after cord clamping at the time of delivery. The number of nucleated red blood cells per one hundred white blood cells was measured using an automated hematology analyzer and compared with direct microscopic visualization of prepared slides by experienced hematology technicians. RESULTS: The umbilical cord blood from 128 women was studied. The mean, median and standard deviations of nucleated red blood cell counts were not significantly different between the automated reading and the manual reading (mean 9.3+/-11.2 versus 9.1+/-13.1, respectively, P=0.76; median 5.9 versus 5.0, P=0.95; range 0-77, 0-105). Automated derived nucleated red blood cell counts and manual numbers were highly correlated with a correlation coefficient of 0.794. CONCLUSION: The automated hematology analyzer readings of nucleated red blood cell counts correlate well with readings by laboratory hematologists.
Joan M McCarthy; Tammy Capullari; William N Spellacy
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Publication Detail:
Type:  Evaluation Studies; Journal Article    
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:  17     ISSN:  1476-7058     ISO Abbreviation:  J. Matern. Fetal. Neonatal. Med.     Publication Date:  2005 Mar 
Date Detail:
Created Date:  2005-09-08     Completed Date:  2005-12-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101136916     Medline TA:  J Matern Fetal Neonatal Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  199-201     Citation Subset:  IM    
Department of Obstetrics and Gynecology, University of South Florida College of Medicine, Tampa, FL 33606, USA.
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MeSH Terms
Erythrocyte Count / methods*
Erythrocytes / physiology*
Fetal Blood / cytology*
Placental Insufficiency / blood,  diagnosis*
Predictive Value of Tests
Prenatal Diagnosis*
Prospective Studies

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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