Prognostic indicators for canine monocytic ehrlichiosis

A. Shipov, E. Klement, L. Reuveni-Tager, T. Waner, S. Harrus*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

In order to identify prognostic factors for survival in canine monocytic ehrlichiosis (CME), clinical records of 40 cases of CME were retrospectively studied. The dogs were assigned as survivors (n = 21) and non-survivors (n = 19), and their signalment, anamnesis, clinical and clinicopathological signs, and treatment protocols were compared. Pale mucous membranes, bleeding tendencies and weakness were more prevalent in the non-survivors compared to the survivors. Dogs in the non-survivor group had significantly lower white blood cell (WBC), hematocrit (HCT), and platelet (PLT) counts. Pronounced pancytopenia (WBC < 4 × 103 μL-1; HCT < 25%; PLT < 50 × 103 μL-1) was found as a risk factor for mortality. In this study, severe leucopenia (WBC < 0.93 × 103 μL-1), severe anemia (PCV < 11.5%), prolonged activated partial thromboplastin time (APTT > 18.25 s) and hypokalemia (K < 3.65 mmol/L) were each found to predict mortality with a probability of 100%. In contrast, WBC counts above 5.18 × 103 μL-1, platelet counts above 89.5 × 103 μL-1, PCV > 33.5%, APTT < 14.5 s and serum potassium concentration above 4.75 mmol/L, each provided 100% prediction for survival. These prognostic indicators can be easily obtained at presentation, are inexpensive, and may be useful aids when treatment and prognosis are being considered.

Original languageAmerican English
Pages (from-to)131-138
Number of pages8
JournalVeterinary Parasitology
Volume153
Issue number1-2
DOIs
StatePublished - 6 May 2008

Keywords

  • Canine monocytic ehrlichiosis
  • Ehrlichia canis
  • Risk factors

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