Universidad Peruana Cayetano Heredia

Feasibility of Training Community Health Workers to Use Smartphone-Attached Microscopy for Point-of-Care Visualization of Soil-Transmitted Helminths in the Peruvian Amazon.

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dc.contributor.author Ameen, Eve
dc.contributor.author Nin Zhu, Simon
dc.contributor.author Morales Guzman, Cesar
dc.contributor.author Taub, Erin
dc.contributor.author Siles, Crystyan
dc.contributor.author Meza Sanchez, Graciela
dc.contributor.author Vilcaromero Llaja, Stalin Fran
dc.contributor.author Ramal, Cesar
dc.contributor.author Tangoa, Nolberto
dc.contributor.author Marcos, Luis A.
dc.coverage.spatial Loreto, Perú
dc.date.accessioned 2023-05-19T14:08:33Z
dc.date.available 2023-05-19T14:08:33Z
dc.date.issued 2023
dc.identifier.uri https://hdl.handle.net/20.500.12866/13517
dc.description.abstract The prevalence of soil-transmitted helminths (STH) is high in communities within the Peruvian Amazon despite repeated mass-drug administration, demanding alternative strategies of control. Smartphone-attached microscopy (SAM) permits visualization of STH from a small portable microscope through a smartphone screen, potentially providing an inexpensive and rapid method of STH visualization in communities where diagnostic laboratories with microscopes are inaccessible. In this study, a total of 45 community health workers who work within the health systems of Loreto, Peru, attended a 1-day training session with lectures and practicums on STH and SAM. Participants received a pre- and post-intervention questionnaire. Post-intervention, participants were significantly more confident using SAM and identifying parasite images, symptoms, transmission, and treatment (P ≤ 0.0045). Post-intervention, participants correctly labeled a median of five of seven SAM apparatus components and five of eight steps of Kato-Katz technique, were less likely to choose taking medicine to prevent parasite infection (P = 0.0075), and were more likely to select Kato-Katz technique as a type of diagnostic test (P < 0.0001). Most participants felt ready to use SAM in their communities and stated that it could help rural communities far from health centers or laboratories (24%); provide faster identification, results, diagnosis (19%); permit at-home or on-the-spot visualization (14%); and save money (14%). Results show that community health workers show a high level of willingness and competency to learn about both STH and SAM and may be a yet-unexplored practical method of augmenting STH visualization, bringing healthcare to communities in Loreto with poor access to diagnostic laboratories and clinics. en_US
dc.language.iso eng
dc.publisher American Journal of Tropical Medicine and Hygiene
dc.relation.ispartofseries American Journal of Tropical Medicine and Hygiene
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject Training Community Health Workers en_US
dc.subject Smartphone-Attached Microscopy en_US
dc.subject Point-of-Care en_US
dc.subject Soil-Transmitted en_US
dc.subject Helminths en_US
dc.subject Peru en_US
dc.subject Amazon en_US
dc.subject.mesh Agentes Comunitarios de Salud
dc.subject.mesh Microscopía
dc.subject.mesh Sistemas de Atención de Punto
dc.subject.mesh Suelo
dc.subject.mesh Helmintos
dc.subject.mesh Perú
dc.title Feasibility of Training Community Health Workers to Use Smartphone-Attached Microscopy for Point-of-Care Visualization of Soil-Transmitted Helminths in the Peruvian Amazon. en_US
dc.type info:eu-repo/semantics/article
dc.identifier.doi https://doi.org/10.4269/ajtmh.22-0210
dc.relation.issn 1476-1645


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