Measuring Environmental Chemical Burden with Wristbands: Implications for Kidney Health Among Women in Rural Guatemala
2025
Jaime Butler-Dawson | Grant Erlandson | Diana Jaramillo | Karely Villarreal Hernandez | Laura Calvimontes | Lyndsay Krisher | Miranda Dally | Stephen Brindley | Daniel Pilloni | Alex Cruz | Alison K. Bauer | Richard J. Johnson | Lee S. Newman | Joshua Schaeffer | John L. Adgate | Kim A. Anderson | Katherine A. James
Chronic kidney disease of unknown origin (CKDu) is a public health concern, particularly in agricultural communities, with multiple environmental exposures hypothesized as potential contributors. This study employed a targeted exposure assessment using personal silicone wristbands to characterize chemical exposures among women living and working in CKDu-affected regions of Guatemala. Participants wore wristbands for seven days, passively sampling air and dermal exposures. Overall, 45 wristbands were collected from 37 female participants (19 sugarcane workers and 18 community members). Of the 1530 chemicals measured using a single semi-quantitative method, 103 were detected, with an average of 27 chemicals per wristband (range: 16&ndash:40). Polycyclic aromatic hydrocarbon (PAH) levels were higher in community members&rsquo: wristbands, whereas workers exhibited higher exposure to pesticides (i.e., pendimethalin and fipronil). Workers had worse kidney function compared to community members, with almost half of the workers having an estimated glomerular filtration rate, eGFR, <:90 mL/min/1.73 m2. Correlations were observed between kidney function markers and specific chemicals, with the strongest correlation between albumin-to-creatinine ratio and pyrene levels (&rho: = 0.57, p <: 0.01) among workers. Women in agricultural regions of Guatemala experience widespread exposure to diverse environmental chemicals, some of which may contribute to kidney function decline.
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