Prevalence of strongyloidiasis in Peru: systematic review and meta-analysis

Sonia Ortiz-Martínez, José Manuel Ramos-Rincón, María Esteyner Vásquez-Chasnamote, Olga Nohelia Gamboa-Paredes, Katty Madeleine Arista-Flores, Luis Alfredo Espinoza-Venegas, Eva de-Miguel-Balsa, Viviana Vanessa Pinedo-Cancino, Miguel Górgolas-Hernández-Mora, Martín Casapía-Morales

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Background: Strongyloidiasis is a disease of great public health significance, caused by the parasitic nematodes Strongyloides stercoralis, Strongyloides fuelleborni, and Strongyloides fuelleborni subsp. kellyi. This systematic review and meta-analysis aimed to assess the prevalence of Strongyloides stercoralis infection in Peru. Methods: The review was based on a literature search in PubMed, SciELO and Google Scholar using the key words or root words “strongyl*” AND “Peru” on 15 July 2020. Eligible studies were published from 1 January 1981 to 15 July 2020 and written in English, Spanish, Italian, or French. Results: We included 21 papers in the analysis. Studies were heterogeneous in terms of study population and diagnostic methods (e.g. Baermann technique, agar, Dancescu or charcoal cultures, serology, string capsule). Prevalence of S. stercoralis ranged from 0.3 to 45%. The pooled proportion of Strongyloides in the general population was 7.34% (95% CI 4.97 to 10.13%). Half the studies were designed to detect parasites in general. In studies designed to detect S. stercoralis, the most widely used diagnostic method was the Baermann technique. Conclusion: Prevalence of S. stercoralis in Peru was high but varied by geographic area, techniques for stool examination, and participant characteristics.

Original languageEnglish
Article number755
JournalBMC Infectious Diseases
Volume21
Issue number1
DOIs
StatePublished - Dec 2021

Keywords

  • Peru
  • Prevalence
  • Serology
  • Seroprevalence
  • Strongyloides stercoralis

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