Analysis of the accuracy of different laboratory methods for the diagnosis of intestinal parasites from stray and domiciled cats (<i>Felis catus domesticus</i>) in Goiânia, Goiás, Brazil

Lima, Jaqueline Ataíde Silva; Rezende, Hanstter Hallison Alves; Rocha, Tamires Mariana Dias Damas; Castro, Ana Maria de

doi:10.1590/S1984-29612018004

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Revista Brasileira de Parasitologia Veterinária

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Short Communication • Rev. Bras. Parasitol. Vet. 27 (1) • Jan-Mar 2018 • https://doi.org/10.1590/S1984-29612018004 copy

Analysis of the accuracy of different laboratory methods for the diagnosis of intestinal parasites from stray and domiciled cats (Felis catus domesticus) in Goiânia, Goiás, Brazil

Análise da acurácia de diferentes técnicas parasitológicas no diagnóstico de parasitos entéricos de gatos (Felis catus domesticus) errantes e domiciliados em Goiânia, Goiás, Brasil

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Cats are carriers of zoonotic agents to humans, including intestinal parasites. The purpose of this study was to analyze the accuracy of different laboratory methods for the diagnosis of intestinal parasites. Fecal samples were processed by the Willis, Sheather, Faust and Hoffman-Janer-Pons-Lutz (HJPL) methods. Accuracy analysis was performed determining the sensitivity, specificity, positive and negative predictive value and Kappa. A total of 149 fecal samples were collected, 65 from stray cats and 84 from domiciled cats. The prevalence of intestinal parasites in stray cats was 60% while in domiciled cats it was 17%. In the analysis of accuracy, the techniques that showed the greatest accuracy for Ancylostomids were Willis and Faust, for Cystoisospora spp. Sheather with Faust or HPJL, and Toxoplasma gondii/Hammondia hammondi the association between Willis and Faust. Therefore, for a reliable evaluation of the prevalence of intestinal parasites, at least two different techniques should be used in parasitological exams of feces.

Keywords:
Cats; clinical laboratory techniques; parasitic diseases

	Sensitivity	Specificity	PPV	NPV	*Kappa*
Willis + Sheather	38.9%	97.3%	82.4%	83.3%	0.411
Willis + Faust	75.0%	99.1%	96.0%	93.5%	0.805
Willis + HPJL	34.4%	100.0%	100.0%	84.8%	0.451
Sheather + Faust	86.7%	91.8%	54.2%	98.4%	0.619
Sheather + HPJL	12.5%	93.2%	18.2%	89.9%	0.060
Faust + HPJL	32%	97.6%	72.7%	87.7%	0.381

	Sensitivity	Specificity	PPV	NPV	*Kappa*
Willis + Sheather	28.6%	100.0%	100.0%	93.1%	0.420
Willis + Faust	38.5%	98.5%	71.4%	94.4%	0.467
Willis + HPJL	42.9%	99.3%	85.7%	94.4%	0.542
Sheather + Faust	100.0%	97.2%	55.6%	100.0%	0.701
Sheather + HPJL	100.0%	98.6%	66.7%	100.0%	0.793
Faust + HPJL	62.5%	99.3%	83.3%	97.9%	0.700

	Sensitivity	Specificity	PPV	NPV	*Kappa*
Willis + Sheather	50.0%	99.2%	85.7%	95.6%	0.607
Willis + Faust	92.9%	94.8%	65.0%	99.2%	0.735
Willis + HPJL	28.6%	98.5%	66.7%	93.0%	0.364
Sheather + Faust	87.5%	92.2%	38.9%	99.2%	0.501
Sheather + HPJL	50.0%	97.9%	57.1%	97.2%	0.508
Faust + HPJL	35.3%	99.2%	85.7%	92.3%	0.464

Colégio Brasileiro de Parasitologia Veterinária FCAV/UNESP - Departamento de Patologia Veterinária, Via de acesso Prof. Paulo Donato Castellane s/n, Zona Rural, , 14884-900 Jaboticabal - SP, Brasil, Fone: (16) 3209-7100 RAMAL 7934 - Jaboticabal - SP - Brazil
E-mail: cbpv_rbpv.fcav@unesp.br

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[1] *Corresponding author: Jaqueline Ataíde Silva Lima. Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás – UFG, Rua 235, s/n, Setor Universitário, CEP 74650-050, Goiânia, GO, Brasil. e-mail: jaquelinellima21@gmail.com