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Abstract:

The association between Trypanosoma cruzi parasitaemia in dogs and cats and Tryp. cruzi infection rates in domestic Triatoma infestans was studied in a cross-sectional survey of 31 houses (89%) in the rural villages of Trinidad and Mercedes, north-west Argentina, where no spraying of insecticides had ever been done. Similar prevalence rates of parasitaemia, determined by xenodiagnosis, were recorded among 68 dogs (41·2%) and 28 cats (39·3%). Bug infection rates were significantly associated with the presence of infected cats (those with positive xenodiagnosis) stratified by the number of infected dogs (relative risk = RR = 1·90; 95% confidence interval = CI = 1·51−2·38), and with the number of infected dogs stratified by the presence of infected cats (RR = 2·71; CI = 1·81−4·07). The percentage of infected bugs in houses with and without children stratified by the presence of infected dogs or cats was not significantly different (RR = 0·69; CI = 0·45−1·05). The combined effect of infected dogs and infected cats on bug infection rates fitted closely with an additive transmission model. Bug infection rates were significantly higher when infected dogs shared the sleeping areas of people than when they did not (RR = 1·79; CI = 1·1−2·91). Our study showed that infected dogs and infected cats increase the risk of domestic transmission of Tryp. cruzi to T. infestans. © 1993 Oxford University Press.

Registro:

Documento: Artículo
Título:Chagas disease in north-west Argentina: Association between trypanosoma cruzi parasitaemia in dogs and cats and infection rates in domestic triatoma infestans
Autor:Gürtler, R.E.; Cécere, M.C.; Petersen, R.M.; Rubel, D.N.; Schweigmann, N.J.
Filiación:Laboratorio de Ecología General and Unidad Ecología de Reservorios y Vectores de Parásitos, Departamento de Ciencias Biológicas, Universidad de Buenos Aires Ciudad Universitaria, BuenosAires, 1428, Argentina
Palabras clave:accommodation; adolescent; adult; argentina; article; cat; chagas disease; child; diagnostic procedure; dog; domestic animal; human; infection rate; nonhuman; parasite transmission; parasitemia; pesticide spraying; priority journal; rural area; triatoma infestans; trypanosoma cruzi; Animal; Argentina; Cat Diseases; Cats; Chagas Disease; Dog Diseases; Dogs; Insect Vectors; Prevalence; Risk Factors; Rural Health; Support, Non-U.S. Gov't; Triatoma; Trinidad and Tobago; Trypanosoma cruzi; Zoonoses; Animalia; Canis familiaris; Felis catus; Triatoma infestans; Trypanosoma; Trypanosoma cruzi
Año:1993
Volumen:87
Número:1
Página de inicio:12
Página de fin:15
DOI: http://dx.doi.org/10.1016/0035-9203(93)90400-K
Título revista:Transactions of the Royal Society of Tropical Medicine and Hygiene
Título revista abreviado:Trans. R. Soc. Trop. Med. Hyg.
ISSN:00359203
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00359203_v87_n1_p12_Gurtler

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Citas:

---------- APA ----------
Gürtler, R.E., Cécere, M.C., Petersen, R.M., Rubel, D.N. & Schweigmann, N.J. (1993) . Chagas disease in north-west Argentina: Association between trypanosoma cruzi parasitaemia in dogs and cats and infection rates in domestic triatoma infestans. Transactions of the Royal Society of Tropical Medicine and Hygiene, 87(1), 12-15.
http://dx.doi.org/10.1016/0035-9203(93)90400-K
---------- CHICAGO ----------
Gürtler, R.E., Cécere, M.C., Petersen, R.M., Rubel, D.N., Schweigmann, N.J. "Chagas disease in north-west Argentina: Association between trypanosoma cruzi parasitaemia in dogs and cats and infection rates in domestic triatoma infestans" . Transactions of the Royal Society of Tropical Medicine and Hygiene 87, no. 1 (1993) : 12-15.
http://dx.doi.org/10.1016/0035-9203(93)90400-K
---------- MLA ----------
Gürtler, R.E., Cécere, M.C., Petersen, R.M., Rubel, D.N., Schweigmann, N.J. "Chagas disease in north-west Argentina: Association between trypanosoma cruzi parasitaemia in dogs and cats and infection rates in domestic triatoma infestans" . Transactions of the Royal Society of Tropical Medicine and Hygiene, vol. 87, no. 1, 1993, pp. 12-15.
http://dx.doi.org/10.1016/0035-9203(93)90400-K
---------- VANCOUVER ----------
Gürtler, R.E., Cécere, M.C., Petersen, R.M., Rubel, D.N., Schweigmann, N.J. Chagas disease in north-west Argentina: Association between trypanosoma cruzi parasitaemia in dogs and cats and infection rates in domestic triatoma infestans. Trans. R. Soc. Trop. Med. Hyg. 1993;87(1):12-15.
http://dx.doi.org/10.1016/0035-9203(93)90400-K