Acute infection in a pediatric domestic cat

Case summary A domestic shorthair cat estimated to be 4–6 weeks old was presented to a referral center for evaluation of lethargy, anorexia and diarrhea for a duration of 24 h. A feline vector-borne PCR panel, as well as a blood smear, examined by a board-certified pathologist, confirmed an Anaplasm...

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Main Authors: Molly Graham, Patty Ewing, Megan Whelan
Format: Article
Language:English
Published: SAGE Publishing 2023-12-01
Series:Journal of Feline Medicine and Surgery Open Reports
Online Access:https://doi.org/10.1177/20551169231213505
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author Molly Graham
Patty Ewing
Megan Whelan
author_facet Molly Graham
Patty Ewing
Megan Whelan
author_sort Molly Graham
collection DOAJ
description Case summary A domestic shorthair cat estimated to be 4–6 weeks old was presented to a referral center for evaluation of lethargy, anorexia and diarrhea for a duration of 24 h. A feline vector-borne PCR panel, as well as a blood smear, examined by a board-certified pathologist, confirmed an Anaplasma phagocytophilum infection. Morulae were identified in both feline neutrophils and eosinophils. Treatment consisted of a 21-day course of liquid doxycycline. Clinical signs rapidly resolved and were not noted to recur. Relevance and novel information This case demonstrates that A phagocytophilum can infect cats as young as 4–6 weeks old. Doxycycline, as the antibiotic of choice for the treatment of A phagocytophilum infections, was used. Consistent with the literature, a rapid clinical improvement was detected. Anaplasmosis should be listed as a differential diagnosis in pediatric cats suffering from acute febrile illness with potential previous tick exposure (history of living outdoors) in order to provide proper treatment.
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spelling doaj.art-6b1a55714dbc4308ba3d9978db1707e02023-12-22T19:03:59ZengSAGE PublishingJournal of Feline Medicine and Surgery Open Reports2055-11692023-12-01910.1177/20551169231213505Acute infection in a pediatric domestic catMolly GrahamPatty EwingMegan WhelanCase summary A domestic shorthair cat estimated to be 4–6 weeks old was presented to a referral center for evaluation of lethargy, anorexia and diarrhea for a duration of 24 h. A feline vector-borne PCR panel, as well as a blood smear, examined by a board-certified pathologist, confirmed an Anaplasma phagocytophilum infection. Morulae were identified in both feline neutrophils and eosinophils. Treatment consisted of a 21-day course of liquid doxycycline. Clinical signs rapidly resolved and were not noted to recur. Relevance and novel information This case demonstrates that A phagocytophilum can infect cats as young as 4–6 weeks old. Doxycycline, as the antibiotic of choice for the treatment of A phagocytophilum infections, was used. Consistent with the literature, a rapid clinical improvement was detected. Anaplasmosis should be listed as a differential diagnosis in pediatric cats suffering from acute febrile illness with potential previous tick exposure (history of living outdoors) in order to provide proper treatment.https://doi.org/10.1177/20551169231213505
spellingShingle Molly Graham
Patty Ewing
Megan Whelan
Acute infection in a pediatric domestic cat
Journal of Feline Medicine and Surgery Open Reports
title Acute infection in a pediatric domestic cat
title_full Acute infection in a pediatric domestic cat
title_fullStr Acute infection in a pediatric domestic cat
title_full_unstemmed Acute infection in a pediatric domestic cat
title_short Acute infection in a pediatric domestic cat
title_sort acute infection in a pediatric domestic cat
url https://doi.org/10.1177/20551169231213505
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