2020 journal article
Association of fecal sample collection technique and treatment history with Tritrichomonas foetus polymerase chain reaction test results in 1717 cats
JOURNAL OF VETERINARY INTERNAL MEDICINE, 34(2), 734–741.
author keywords: diarrhea; retrospective; risk factors; ronidazole
MeSH headings : Animals; Antiprotozoal Agents / therapeutic use; Cat Diseases / diagnosis; Cat Diseases / drug therapy; Cat Diseases / parasitology; Cats; Feces / parasitology; Female; Male; Polymerase Chain Reaction / veterinary; Protozoan Infections, Animal / diagnosis; Protozoan Infections, Animal / drug therapy; Protozoan Infections, Animal / parasitology; Retrospective Studies; Ronidazole / therapeutic use; Specimen Handling / veterinary; Tritrichomonas foetus / isolation & purification; United States
TL;DR:
Results of this study support that fecal samples collected by loop might be better for PCR diagnosis of T. foetus infection and Lack of association of ronidazole with PCR test results and a 21% all‐potential‐causes failure rate of rONidazoles in cats with preconfirmed infection are important limitations to use of this drug.
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UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science; OpenAlex)
5. Gender Equality
(Web of Science)
Source: Web Of Science
Added: February 27, 2020
AbstractBackgroundFecal polymerase chain reaction (PCR) testing for Tritrichomonas foetus is considered the most sensitive means for diagnosis of infection but results could be influenced by fecal collection technique and prior use of antimicrobial drugs.ObjectivesTo establish any association between fecal collection technique or treatment history and results of fecal PCR testing for T. foetus.AnimalsFecal samples from 1717 cats submitted by veterinarians between January 2012 and December 2017.MethodsThis study used a retrospective analysis. T. foetus PCR test results from 1808 fecal samples submitted for diagnostic testing were examined for their association with method of fecal collection and prior antimicrobial treatments. Data were collected from sample submission form.ResultsPositive T. foetus PCR test results were obtained for 274 (16%) cats. Fecal samples collected via fecal loop had increased probability of positive PCR test results (odds ratio [OR] 2.04, 95% confidence interval [CI] 1.31‐3.17, P = .002) compared to samples collected by colonic flush. There was no association between PCR test results and treatment history, treatment type, or prior treatment with ronidazole. After an initial positive PCR test, 4/19 (21%; 95% CI 2.7%‐39.4%) cats treated with ronidazole had a second positive test result.Conclusions and Clinical ImportanceResults of this study support that fecal samples collected by loop might be better for PCR diagnosis of T. foetus infection. Lack of association of ronidazole with PCR test results and a 21% all‐potential‐causes failure rate of ronidazole in cats with preconfirmed infection are important limitations to use of this drug.