Quantitative and qualitative leukocyte abnormalities in dogs with experimental and naturally occurring acute canine monocytic ehrlichiosis

© 2016 American Society for Veterinary Clinical Pathology.

Bibliographische Detailangaben
Veröffentlicht in:Veterinary clinical pathology. - 1975. - 45(2016), 2 vom: 04. Juni, Seite 281-90
1. Verfasser: Gianopoulos, Athena (VerfasserIn)
Weitere Verfasser: Mylonakis, Mathios E, Theodorou, Konstantina, Christopher, Mary M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Veterinary clinical pathology
Schlagworte:Journal Article Ehrlichia canis MPXI inflammation leukogram lobularity index Peroxidase EC 1.11.1.7
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245 1 0 |a Quantitative and qualitative leukocyte abnormalities in dogs with experimental and naturally occurring acute canine monocytic ehrlichiosis 
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500 |a Date Revised 04.04.2017 
500 |a published: Print-Electronic 
500 |a Citation Status MEDLINE 
520 |a © 2016 American Society for Veterinary Clinical Pathology. 
520 |a BACKGROUND: Canine monocytic ehrlichiosis (CME) is one of the most important tick-borne diseases worldwide. Cytopenias have been observed in both acute (nonmyelosuppressive) and chronic (myelosuppressive) CME; however, leukocyte abnormalities and indices have been incompletely described in dogs with acute CME 
520 |a OBJECTIVES: The aims of this study were to analyze temporal changes in differential leukocyte counts, leukocyte morphology, myeloperoxidase index (MPXI), and lobularity index (LI) in dogs with experimental and naturally occurring acute CME 
520 |a METHODS: Differential leukocyte counts and morphology were evaluated in archived blood smears from 13 Beagle dogs experimentally infected with Ehrlichia canis and evaluated weekly for 42 days postinfection (DPI); 20 dogs with naturally occurring acute CME also were evaluated. MPXI and LI were obtained from ADVIA reports. Wilcoxon tests were used to assess changes over time; leukogram results in natural cases were assessed in comparison with reference intervals 
520 |a RESULTS: In experimental dogs, significant decreases in neutrophil, monocyte, lymphocyte, and eosinophil counts, and a mild left shift occurred within 14 DPI. The MPXI decreased significantly between 14 and 21 DPI and remained low, while LI increased from 14 to 35 DPI. Lymphocyte counts rebounded at 21 DPI, normalizing total WBC counts. Neutrophil toxicity was seen rarely, but reactive lymphocytes were observed frequently. Dogs with natural infection had variable patterns of leukocyte changes 
520 |a CONCLUSIONS: Acute CME is associated with several discrete quantitative and qualitative leukogram changes indicative of concurrent inflammation, antigenic stimulation, and stress. Changes in MPXI and LI warrant further investigation in dogs with CME and other diseases 
650 4 |a Journal Article 
650 4 |a Ehrlichia canis 
650 4 |a MPXI 
650 4 |a inflammation 
650 4 |a leukogram 
650 4 |a lobularity index 
650 7 |a Peroxidase  |2 NLM 
650 7 |a EC 1.11.1.7  |2 NLM 
700 1 |a Mylonakis, Mathios E  |e verfasserin  |4 aut 
700 1 |a Theodorou, Konstantina  |e verfasserin  |4 aut 
700 1 |a Christopher, Mary M  |e verfasserin  |4 aut 
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773 1 8 |g volume:45  |g year:2016  |g number:2  |g day:04  |g month:06  |g pages:281-90 
856 4 0 |u http://dx.doi.org/10.1111/vcp.12359  |3 Volltext 
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