Document Detail


The feasibility of using histologic placental sections to predict newborn nucleated red blood cell counts.
MedLine Citation:
PMID:  12151154     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To determine the feasibility of using calculated nucleated red blood cell (RBC) counts from histologic placental slides to predict newborn nucleated RBC counts. METHODS: This retrospective study compared absolute nucleated RBC counts from 24 newborns, diagnosed with fetal distress in labor, with counts calculated from their histologic placental slides. A simple linear regression model was tested with newborn nucleated RBC counts as the dependent variable and calculated placental nucleated RBC counts as the independent variable. RESULTS: The mean +/- standard deviation newborn nucleated RBC count was 4.81 x 10(9) +/- 5.46 x 10(9)/L compared with 1.37 x 10(9) +/- 1.78 x 10(9)/L calculated from placental sections. These data were normalized by logarithmic transformation. A significant linear regression was obtained, r(2) = 0.74, P <.001. The prediction equation obtained was natural logarithm (newborn nucleated RBC count) is equal to 1.002 x natural logarithm (placental nucleated RBC count) + 1.173. CONCLUSION: It is feasible to calculate nucleated RBC counts from histologic slides of the placenta that are predictive of newborn nucleated RBC counts. Further work on more homogeneous groups of subjects is necessary to increase the precision of the method. The placenta could serve as a surrogate source for newborn whole blood nucleated RBC counts around the time of birth.
Authors:
William M Curtin; Bahig M Shehata; Sadik A Khuder; Haynes B Robinson; Brian C Brost
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Obstetrics and gynecology     Volume:  100     ISSN:  0029-7844     ISO Abbreviation:  Obstet Gynecol     Publication Date:  2002 Aug 
Date Detail:
Created Date:  2002-08-01     Completed Date:  2002-08-22     Revised Date:  2009-10-26    
Medline Journal Info:
Nlm Unique ID:  0401101     Medline TA:  Obstet Gynecol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  305-10     Citation Subset:  AIM; IM    
Affiliation:
Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York 14642, USA. william_curtin@URMC.rochester.edu
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MeSH Terms
Descriptor/Qualifier:
Erythroblasts / cytology*
Erythrocyte Count
Feasibility Studies
Female
Fetal Distress / blood*
Gestational Age
Humans
Infant, Newborn / blood*
Linear Models
Placenta / cytology*
Predictive Value of Tests
Pregnancy
Probability
Reference Values
Registries
Retrospective Studies
Sensitivity and Specificity

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


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