Relationship between the red blood cell distribution width (RDW) and erythrocyte values in anemic and non-anemic cats

Autores

  • Paulo Henrique da Silva Universidade do Oeste Paulista
  • Cecília Braga Laposy Universidade do Oeste Paulista - Unoeste
  • Rogério Giuffrida Universidade do Oeste Paulista
  • Marina Platzeck Chaves Universidade do Oeste Paulista
  • Maickon Willian de Freitas Universidade do Oeste Paulista

DOI:

https://doi.org/10.5433/1679-0359.2015v36n5p3227

Palavras-chave:

Feline, Erythrocyte indices, Hematology.

Resumo

Erythrocyte alterations require making decisions, guiding clinical conduct, determining prognoses, and choosing therapy options for diseases. Automated devices that can perform blood cell counts allow for calculation of amplitude distribution of erythrocytes red blood cell distribution width (RDW) and its fractions (RDW-CV and RDW-SD). It also evaluates quantitatively the heterogeneity of each erythrocyte, especially in the feline species where presence of anisocytosis is common, even under normal conditions. Contrary to human medicine where there has been universal acceptance of RDW, there are only a handful of veterinarians and laboratories that currently use this parameter as a diagnostic tool for differential laboratory diagnosis of anemia in veterinary medicine, possibly owing to unfamiliarity with the application. Faced with limited availability of information in scientific literature regarding RDW values for the domestic cat, this study aimed to associate RDW values with erythrocytes, hematocrit, hemoglobin, and mean corpuscular volume (MCV) in 407 adult cats of no defined pedigree (n = 218 males and n = 189 females; 335 non-anemic and 72 anemic). In the present study, RDW-SD values in anemic cats were 20.4% above those considered normal, while RDW-CV values were 25.2% higher than those considered normal for the species. We concluded that interpretation of RDW values is an important tool for evaluating heterogeneity of erythrocytes with regard to anemia. Even in non-anemic animals, increased levels of RDW may suggest early erythrocyte alterations.

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Biografia do Autor

Paulo Henrique da Silva, Universidade do Oeste Paulista

M.e em Ciência Animal, Universidade do Oeste Paulista, UNOESTE, Presidente Prudente, SP, Brasil.

Cecília Braga Laposy, Universidade do Oeste Paulista - Unoeste

Profa, Programa de Pós-Graduação em Ciência Animal, UNOESTE, Presidente Prudente, SP, Brasil.

Rogério Giuffrida, Universidade do Oeste Paulista

Prof., Programa de Pós-Graduação em Ciência Animal, UNOESTE, Presidente Prudente, SP, Brasil.

Marina Platzeck Chaves, Universidade do Oeste Paulista

Discente do Curso de Medicina Veterinária, UNOESTE, Presidente Prudente, SP, Brasil.

Maickon Willian de Freitas, Universidade do Oeste Paulista

Discente do Curso de Medicina Veterinária, UNOESTE, Presidente Prudente, SP, Brasil.

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Publicado

2015-10-21

Como Citar

Silva, P. H. da, Laposy, C. B., Giuffrida, R., Chaves, M. P., & Freitas, M. W. de. (2015). Relationship between the red blood cell distribution width (RDW) and erythrocyte values in anemic and non-anemic cats. Semina: Ciências Agrárias, 36(5), 3227–3232. https://doi.org/10.5433/1679-0359.2015v36n5p3227

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