Human visceral leishmaniasis prevalence by different diagnostic methods in latin america: A systematic review and meta-analysis

Estefanía Gutiérrez-Ocampo, Rhuvi Villamizar-Peña, Isabella Cortes-Bonilla, Luisa M. García-Zuluaga, Yeimer Holguin-Rivera, Harrison D. Ospina-Arzuaga, Maria Camila Cardona-Trujllo, Adrián E. Trejos-Mendoza, Soffia Perez-Vargas, Kovy Arteaga-Livias, Lysien I. Zambrano, D. Katterine Bonilla-Aldana, Luis A. Perez-Garcia, Carlos E. Hernandez-Pereira, Alfonso J. Rodriguez-Morales, Alberto Paniz-Mondolfi, Olinda M. Delgado

Producción científica: Contribución a una revistaArtículo de revisiónrevisión exhaustiva


Visceral leishmaniasis is a neglected zoonotic disease that affects animals and humans in different tropical and subtropical regions and even beyond, with variable prevalence among infected hosts. To date, there have been no systematic reviews on human visceral leishma-niasis prevalence in Latin America. We therefore performed a systematic literature review with meta-analy-sis, using six databases to assess prevalence of visceral leishmaniasis in human patients in Latin American countries. Observational studies were included but analyzed separately. We performed a random-effects model meta-analysis to calculate the pooled prevalence and 95% confidence interval (95%CI). In all, 10,435 articles were retrieved for the time frame (1950-2019). After ini-tial screening, 120 articles were selected for full-text as-sessment, 97 being finally included for qualitative and quantitative analyses. Overall, VL pooled prevalence was estimated at 38.8% (95% CI 33.8-43.8%), derived from 97 studies, including 44,986 individuals. Many aspects of the transmission dynamics of Leishmania and the exact burden of this parasitosis on public health re-main largely unknown. Although the elimination of zoonotic VL in the Americas appears an unrealistic goal, additional efforts need to be put in place to achieve bet-ter diagnosis, treatment, and prevention of VL.

Idioma originalInglés
Páginas (desde-hasta)199-208
Número de páginas10
PublicaciónInfezioni in Medicina
EstadoPublicada - 2021


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