Prevalence and Risk Factors of Hookworm-Related Cutaneous Larva Migrans (HrCLM) in a Resource-Poor Community in Manaus, Brazil

PLoS Negl Trop Dis. 2016 Mar 24;10(3):e0004514. doi: 10.1371/journal.pntd.0004514. eCollection 2016 Mar.

Abstract

Background: Hookworm-related cutaneous larva migrans (HrCLM) is a neglected tropical skin disease associated with significant clinical pathology. Little knowledge exists about prevalence and risk factors of HrCLM in endemic regions.

Methodology/ principal findings: To understand the epidemiology of HrCLM in Amazonia, we conducted a cross-sectional study in a resource-poor township in Manaus, Brazil. HrCLM was diagnosed in 8.2% (95% CI, 6.3-10.1%) of the study population (N = 806) with a peak prevalence of 18.2% (95% CI, 9.3-27.1%) in children aged 10-14. Most of the tracks (62.4%) were located on the feet, and 10.6% were superinfected. HrCLM was associated independently with age under 15, male sex, presence of animal faeces on the compound, walking barefoot on sandy ground and poverty.

Conclusions/ significance: HrCLM is common in resource-poor communities in Amazonia and is related to poverty. To reduce the disease burden caused by HrCLM, living conditions have to be improved.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adolescent
  • Adult
  • Aged
  • Aging
  • Brazil / epidemiology
  • Child
  • Child, Preschool
  • Female
  • Hookworm Infections / complications*
  • Hookworm Infections / epidemiology
  • Humans
  • Infant
  • Larva Migrans / epidemiology
  • Larva Migrans / parasitology*
  • Male
  • Middle Aged
  • Multivariate Analysis
  • Poverty*
  • Prevalence
  • Risk Factors
  • Shoes
  • Young Adult

Grants and funding

The Brazilian Coordination for the Improvement of Higher Education Personell (CAPES; http://www.capes.gov.br) partially supported the study. The German Academic Exchange Service (DAAD; https://www.daad.de/en) provided travel grants to FR and AS. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.