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Influence of in vitro hemolysis on nucleated red blood cells and reticulocyte counts.
MedLine Citation:
PMID:  23033911     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
INTRODUCTION: Nucleated red blood cells (NRBCs) and reticulocytes are early and important measures of red blood cells' (RBCs) turnover, but little is known on how spurious hemolysis may affect the reliability of these parameters. MATERIALS AND METHODS: Ten EDTA-anticoagulated samples were divided into three aliquots. The first was immediately tested, where;?>as the others (defined A and B) were mechanically hemolyzed by aspiration 5 and 10 times through a small-gauge needle. RBC, NRBC, and reticulocyte counts were performed on Sysmex XE-2100. RESULTS: An increasing amount of hemolysis was produced in hemolyzed aliquots A and B. The RBC and reticulocyte counts progressively decreased from the nonhemolyzed sample to hemolyzed aliquots 'A' and 'B'. The NRBC count increased in 3 of the 10 samples and decreased in the remaining seven. CONCLUSIONS: Hemolysis of venous blood samples may seriously jeopardize NRBC and reticulocyte counts.
Authors:
G Lippi; F Pavesi; C Cattabiani; P Avanzini; S Pipitone
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-4
Journal Detail:
Title:  International journal of laboratory hematology     Volume:  -     ISSN:  1751-553X     ISO Abbreviation:  Int J Lab Hematol     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101300213     Medline TA:  Int J Lab Hematol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 Blackwell Publishing Ltd.
Affiliation:
Dipartimento di Patologia e Medicina di Laboratorio, U.O. Diagnostica Ematochimica, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy.
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