Comparison of manual polychromatophilic cell and automated reticulocyte quantification in evaluating regenerative response in anemic dogs

© 2012 American Society for Veterinary Clinical Pathology.

Bibliographische Detailangaben
Veröffentlicht in:Veterinary clinical pathology. - 1975. - 41(2012), 2 vom: 04. Juni, Seite 256-60
1. Verfasser: Collicutt, Nancy B (VerfasserIn)
Weitere Verfasser: Grindem, Carol B, Neel, Jennifer A
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Veterinary clinical pathology
Schlagworte:Comparative Study Journal Article
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245 1 0 |a Comparison of manual polychromatophilic cell and automated reticulocyte quantification in evaluating regenerative response in anemic dogs 
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500 |a Date Revised 20.10.2016 
500 |a published: Print 
500 |a Citation Status MEDLINE 
520 |a © 2012 American Society for Veterinary Clinical Pathology. 
520 |a BACKGROUND: Degree of polychromasia and reticulocyte counts are commonly used in veterinary medicine to evaluate response to anemia. The quantitative association between these 2 measurements has not been evaluated 
520 |a OBJECTIVE: The aim of this retrospective study was to compare automated reticulocyte percents and counts with those of polychromatophilic cells on blood films from dogs 
520 |a METHODS: Blood films and medical records from 30 clinically healthy dogs and 60 anemic dogs were evaluated. Manual percentage of polychromatophilic cells (MPP) was determined by counting cells in 10 1000× fields, and automated reticulocyte percentage (ARP) was measured using an ADVIA 120 hematology analyzer; absolute polychromatophilic cell and reticulocyte counts were then calculated. Degree of polychromasia, estimated as slight, mild, moderate, marked was documented. Percentages and absolute counts of polychromatophilic cells and reticulocytes were compared using least squares regression and Pearson's correlation coefficients 
520 |a RESULTS: The reference interval for MPP in healthy dogs was 0.21-0.26%. Correlation between MPP and ARP was highest when all levels were considered (n = 60, r = .98, P < .0001), strong when ARP was > 5% (n = 20, r = .91, P < .0001), and poor when ARP was 1-2% (n = 20, r = .35, P < .0001). Results were similar for comparisons of absolute reticulocyte and polychromatophilic cell counts, with the best correlation found when all levels of counts were analyzed together (r = .96) and for automated reticulocyte counts > 150,000/μL (r = .94). Correlation of estimates of polychromasia with ARP was good (r = .83) 
520 |a CONCLUSION: In anemic dogs MPP can be used for assessment of regeneration, especially in dogs with higher levels of ARP. Standard quantification of reticulocytes is more accurate in dogs with lesser degrees of regeneration 
650 4 |a Comparative Study 
650 4 |a Journal Article 
700 1 |a Grindem, Carol B  |e verfasserin  |4 aut 
700 1 |a Neel, Jennifer A  |e verfasserin  |4 aut 
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