Prevalence and risk factors for human cystic echinococcosis in the Cusco region of the Peruvian highlands diagnosed using focused abdominal ultrasound

Francesca Tamarozzi, Amy Hou, Maria Luisa Morales, Maria Teresa Giordani, Freddy Vilca, Karen Mozo, Ruben Bascope, A. Clinton White, Enrico Brunetti, Lin Chen, Miguel M. Cabada

Research output: Contribution to journalArticle

Abstract

Latin America is among the highly endemic regions for cystic echinococcosis (CE). In Peru, an estimated 1,139 disability-adjusted life years are lost annually from surgical treatment of CE. This is comparable with the combined total for Argentina, Brazil, Uruguay, and Chile. The prevalence of human infection has been investigated in the central Peruvian Andes, but there are no community-based screening data from other regions of Peru. We carried out a population survey in January 2015 using abdominal ultrasound to estimate the prevalence of abdominal CE in the Canas and Canchis provinces, in the Cusco region of Peru. Among 1,351 subjects screened, 41 (3%) had CE. There was significant variation between communities with similar socioeconomic features in a small geographical area. A history of CE was reported by 4.1% of the screened subjects, among whom 30.3% still had CE on ultrasound. Among patients reporting previous CE treatment, 14.9% had CE in active stages. Limited education, community of residence, and knowing people with CE in the community were associated with CE. These results demonstrate a significant burden of CE in the region and suggest the need for further investigations, control activities, and optimization of clinical management for CE in this area.

Original languageEnglish
Pages (from-to)1472-1477
Number of pages6
JournalAmerican Journal of Tropical Medicine and Hygiene
Volume96
Issue number6
DOIs
Publication statusPublished - Jan 1 2017

ASJC Scopus subject areas

  • Parasitology
  • Infectious Diseases
  • Virology

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