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Claudel SE, Waikar SS. Systematic Review of Kidney Injury Biomarkers for the Evaluation of CKD of Uncertain Etiology. Kidney Int Rep 2024; 9:1614-1632. [PMID: 38899184 PMCID: PMC11184258 DOI: 10.1016/j.ekir.2024.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 02/13/2024] [Accepted: 03/11/2024] [Indexed: 06/21/2024] Open
Abstract
Introduction Chronic kidney disease of uncertain etiology (CKDu) is an incompletely defined phenotype of chronic kidney disease (CKD) affecting young individuals mostly in agricultural communities in Central America and South Asia. CKDu is a diagnosis of exclusion made in individuals from endemic regions. Methods We conducted a systematic review of the primary literature on urinary and plasma kidney injury biomarkers measured in the setting of CKDu (through February 2023). The literature was identified via a Web of Science search and hand search of the references of previously identified literature. Search terms included "CKDu," "Mesoamerican Nephropathy," "CKD of unknown etiology," "Chronic Interstitial Nephritis in Agricultural Communities," "biomarker," "urin∗," and/or "plasma." Results A total of 25 papers were included. The 2 most frequently measured biomarkers were urinary kidney injury molecule-1 (KIM-1) and urinary neutrophil gelatinase-associated lipocalin (NGAL). There was substantial variability in study design, laboratory assay methods, and statistical methodology, which prohibited meta-analysis. Conclusion Biomarkers that identify tubulointerstitial disease early and accurately may substantially accelerate progress in the study of CKDu and facilitate public health approaches that eventually lead to its prevention and elimination. To date, the literature is limited by relatively small sample sizes and methodological limitations which should be addressed in future studies.
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Affiliation(s)
- Sophie E. Claudel
- Department of Medicine, Boston Medical Center and Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, USA
| | - Sushrut S. Waikar
- Department of Medicine, Boston Medical Center and Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, USA
- Section of Nephrology, Department of Medicine, Boston Medical Center and Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, USA
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Chang CJ, Yang HY. Chronic Kidney Disease Among Agricultural Workers in Taiwan: A Nationwide Population-Based Study. Kidney Int Rep 2023; 8:2677-2689. [PMID: 38106601 PMCID: PMC10719565 DOI: 10.1016/j.ekir.2023.09.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 09/04/2023] [Accepted: 09/04/2023] [Indexed: 12/19/2023] Open
Abstract
Introduction Chronic kidney disease (CKD) in agricultural communities is a significant public health issue. We aimed to investigate the epidemiology of CKD among Taiwanese farmers and its association with outdoor heat exposure. Methods A nested case-control study was conducted on participants in the National Adult Health Examination (NAHE) from 2012 to 2018. The farming occupation was identified through National Health Insurance data. The primary outcomes of interest were the development of CKD, defined as a decreased estimated glomerular filtration rate (eGFR) with diagnosis by physicians, and CKD of undetermined etiology (CKDu), defined as CKD excluding common traditional etiologies. We calculated the county-wide average ambient temperature from a climate reanalysis dataset (ERA5-Land). All CKD cases were matched 1:2 to non-CKD participants by age and biological sex. We estimated the odds ratios (ORs) of CKD and CKDu for farmers and changes in mean ambient temperature (°C) before the examination. Results We identified 844,412 farmers and 3,750,273 nonfarmers. Among 24.9% of farmers and 7.4% of nonfarmers with reduced kidney function, only 1 in 7 received a diagnosis of CKD. The farming occupation was independently predictive of CKDu (OR = 1.09, 95% confidence interval [CI] = 1.001-1.18) but not CKD. Increased ambient temperature (°C) was associated with a higher risk of CKD (OR = 1.023, 95% CI = 1.017-1.029), with particularly strong associations observed among middle-aged participants and diabetics. Conclusions Taiwanese farmers might have a higher risk of developing CKDu. Outdoor heat exposure is associated with the development of CKD, and middle-aged participants and those with diabetes are more vulnerable than the general population.
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Affiliation(s)
- Che-Jui Chang
- Institute of Occupational and Environmental Health Sciences, National Taiwan University College of Public Health, Taipei, Taiwan
- Department of Family Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
| | - Hsiao-Yu Yang
- Institute of Occupational and Environmental Health Sciences, National Taiwan University College of Public Health, Taipei, Taiwan
- Department of Public Health, National Taiwan University College of Public Health, Taipei, Taiwan
- Department of Environmental and Occupational Medicine, National Taiwan University Hospital, Taipei, Taiwan
- Population Health and Welfare Research Center, National Taiwan University College of Public Health, Taipei, Taiwan
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Association of Single Nucleotide Polymorphisms in KCNA10 and SLC13A3 Genes with the Susceptibility to Chronic Kidney Disease of Unknown Etiology in Central Indian Patients. Biochem Genet 2023:10.1007/s10528-023-10335-7. [PMID: 36696070 DOI: 10.1007/s10528-023-10335-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 01/09/2023] [Indexed: 01/26/2023]
Abstract
Global rise in the prevalence of endemic chronic kidney disease of unknown etiology (CKDu) possess major health issues. The prevalence of CKDu is also rising in the Indian population. Besides environmental factors, genetic factors play an important role in the predisposition to CKDu. In the present study, we have analyzed the association of single nucleotide polymorphisms (SNPs) in three genes with the susceptibility to CKDu. This was a case-control study with a total of 180 adult subjects (CKD = 60, CKDu = 60, Healthy = 60) from central India. We performed KASP genotyping assay to determine the allele frequency of SNP genotypes. We used the odds ratio (OR) to assess the association of individual SNPs, rs34970857 of KCNA10, rs6066043 of SLC13A3, and rs2910164 of miR-146a with CKDu and CKD susceptibility. In the case of rs34970857 of the KCNA10 gene, we noted a significantly increased OR for CKDu versus healthy control (Dominant model; CKDu versus control, CT + CC versus TT, OR = 3.96, p = 0.004). In the recessive and homozygous model, we observed significantly increased OR for rs6066043 of SLC13A3 gene, CKDu versus healthy control {(Recessive model; CKDu versus control, GG versus AA + GA, OR = 2.41, p = 0.03; homozygous model, GG versus AA, OR = 3.54, p = 0.04)}. CC genotype of rs34970857 of the KCNA10 gene and the GG genotype of the SLC13A3 gene are significantly associated with the susceptibility of CKDu.
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Anastario M, Rodriguez AM, Xiuhtecutli N, Wagner E. Characterization of Lifetime Agrichemical Exposure Sequences Relative to International Migration in Foreign Born Latinx Agricultural Workers Living in South Florida. J Immigr Minor Health 2022; 24:1145-1153. [PMID: 34559343 PMCID: PMC8461595 DOI: 10.1007/s10903-021-01278-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/16/2021] [Indexed: 11/30/2022]
Abstract
There is a limited understanding of how toxic exposures to agrichemicals vary relative to international migration over the life course. A life history calendar (LHC) was piloted to explore sequences of agrichemical exposure relative to international migration. LHCs were administered to 41 foreign born individuals from Mexico and Central America who had agricultural work experience during their lifetime and who were living in South Florida. Social sequence analysis was used to explore occupation-by-agrichemical events relative to migration. A three-cluster solution was used to classify low, moderate, and high lifetime exposure sequences. The odds of any perceived effects of agrichemicals on the body increased with time prior to migration in the moderate and high exposure sequence clusters and continued to increase 20% with each year following migration in the moderate exposure cluster. Workers with high lifetime agrichemical exposures prior to migrating internationally showed lower likelihoods of a perceived effect on the body following migration despite continued exposure. Further research on instrument validity is warranted.
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Affiliation(s)
- Mike Anastario
- Robert Stempel College of Public Health & Social Work, Florida International University, ACH5 11200 SW 8th St, Miami, FL, 33174, USA.
| | - Ana Maria Rodriguez
- Robert Stempel College of Public Health & Social Work, Florida International University, ACH5 11200 SW 8th St, Miami, FL, 33174, USA
| | | | - Eric Wagner
- Robert Stempel College of Public Health & Social Work, Florida International University, ACH5 11200 SW 8th St, Miami, FL, 33174, USA
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Swaminathan S, Chacko B. 'A disease of disparity': chronic kidney disease of unknown aetiology in endemic immigrant communities. Intern Med J 2022; 52:1437-1440. [PMID: 35881066 PMCID: PMC9542236 DOI: 10.1111/imj.15869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 06/13/2022] [Indexed: 11/26/2022]
Abstract
Chronic kidney disease (CKD) of unknown aetiology is a form of tubulointerstitial CKD in the absence of traditional and known predisposing risk factors. Since the early 2000s, there is an emerging trend in marginalised agricultural communities among workers exposed to occupational and environmental hazards. CKD of unknown aetiology has received significant attention in recent years and is becoming increasingly relevant to the Australian medical community with the growing migrant population, which this case‐based communication illustrates.
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Affiliation(s)
- Shriram Swaminathan
- Nephrology and Transplantation Unit, John Hunter Hospital, Newcastle, New South Wales, Australia
| | - Bobby Chacko
- Nephrology and Transplantation Unit, John Hunter Hospital, Newcastle, New South Wales, Australia.,School of Medicine and Public Health, University of Newcastle, Newcastle, New South Wales, Australia
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6
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Keogh SA, Leibler JH, Sennett Decker CM, Amador Velázquez JJ, Jarquin ER, Lopez-Pilarte D, Garcia-Trabanino R, Delgado IS, Petropoulos ZE, Friedman DJ, Amador Sánchez MR, Guevara R, McClean MD, Brooks DR, Scammell MK. High prevalence of chronic kidney disease of unknown etiology among workers in the Mesoamerican Nephropathy Occupational Study. BMC Nephrol 2022; 23:238. [PMID: 35794550 PMCID: PMC9261054 DOI: 10.1186/s12882-022-02861-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 06/20/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Mortality from chronic kidney disease of unknown etiology (CKDu) is extremely high along the Pacific coast of Central America, particularly among sugarcane workers. The Mesoamerican Nephropathy Occupational Study (MANOS) is a prospective cohort study of CKDu among agricultural and non-agricultural workers in El Salvador and Nicaragua. The objective of this manuscript is to describe the MANOS cohort recruitment, baseline data collection, and CKDu prevalence after two rounds. METHODS Workers with no known diabetes, hypertension, or CKD were recruited from sugarcane, corn, plantain, brickmaking, and road construction industries (n = 569). Investigators administered questionnaires, collected biological samples, and observed workers for three consecutive workdays at the worksite. Serum specimens were analyzed for kidney function parameters, and used to calculate estimated glomerular filtration rate (eGFR). At six months, serum was collected again prior to the work shift. CKD at baseline is defined as eGFR ≤ 60 ml/min/1.73m2 at both timepoints. Age-standardized prevalence was calculated by industry, country, and demographic measures. Kidney function parameters were compared by CKD status. RESULTS Prevalence of CKD at baseline was 7.4% (n = 42). Age-standardized prevalence was highest in Salvadoran sugarcane (14.1%), followed by Salvadoran corn (11.6%), and Nicaraguan brickmaking (8.1%). Nicaraguan sugarcane had the lowest prevalence, likely due to kidney function screenings prior to employment. CONCLUSION Despite efforts to enroll participants without CKD, our identification of prevalent CKD among agricultural and non-agricultural workers in the MANOS cohort indicates notable kidney disease in the region, particularly among sugarcane workers.
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Affiliation(s)
- Sinead A Keogh
- Department of Environmental Health, Boston University School of Public Health, 715 Albany St. T4W, Boston, MA, 02118, USA
| | - Jessica H Leibler
- Department of Environmental Health, Boston University School of Public Health, 715 Albany St. T4W, Boston, MA, 02118, USA
| | - Caryn M Sennett Decker
- Department of Environmental Health, Boston University School of Public Health, 715 Albany St. T4W, Boston, MA, 02118, USA
| | - Juan Jose Amador Velázquez
- Department of Environmental Health, Boston University School of Public Health, 715 Albany St. T4W, Boston, MA, 02118, USA
- Department of Epidemiology, Boston University School of Public Health, 715 Albany St. T3E, Boston, MA, USA
| | - Emmanuel R Jarquin
- Agencia para el Desarrollo y la Salud Agropecuaria (AGDYSA), San Salvador, El Salvador
| | - Damaris Lopez-Pilarte
- Department of Environmental Health, Boston University School of Public Health, 715 Albany St. T4W, Boston, MA, 02118, USA
- Department of Epidemiology, Boston University School of Public Health, 715 Albany St. T3E, Boston, MA, USA
| | - Ramon Garcia-Trabanino
- Agencia para el Desarrollo y la Salud Agropecuaria (AGDYSA), San Salvador, El Salvador
- Centro de Hemodiálisis, San Salvador, El Salvador
- Emergency Social Fund for Health, Tierra Blanca, El Salvador
| | - Iris S Delgado
- Department of Environmental Health, Boston University School of Public Health, 715 Albany St. T4W, Boston, MA, 02118, USA
- Department of Epidemiology, Boston University School of Public Health, 715 Albany St. T3E, Boston, MA, USA
| | - Zoe E Petropoulos
- Department of Environmental Health, Boston University School of Public Health, 715 Albany St. T4W, Boston, MA, 02118, USA
| | - David J Friedman
- Division of Nephrology, Harvard Medical School and Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Magaly Rosario Amador Sánchez
- Department of Environmental Health, Boston University School of Public Health, 715 Albany St. T4W, Boston, MA, 02118, USA
- Department of Epidemiology, Boston University School of Public Health, 715 Albany St. T3E, Boston, MA, USA
| | - Raul Guevara
- Agencia para el Desarrollo y la Salud Agropecuaria (AGDYSA), San Salvador, El Salvador
| | - Michael D McClean
- Department of Environmental Health, Boston University School of Public Health, 715 Albany St. T4W, Boston, MA, 02118, USA
| | - Daniel R Brooks
- Department of Epidemiology, Boston University School of Public Health, 715 Albany St. T3E, Boston, MA, USA
| | - Madeleine K Scammell
- Department of Environmental Health, Boston University School of Public Health, 715 Albany St. T4W, Boston, MA, 02118, USA.
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Jolly AM, Thomas J. Chronic kidney disease of unknown etiology in India: a comparative study with Mesoamerican and Sri Lankan nephropathy. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:15303-15317. [PMID: 34984612 DOI: 10.1007/s11356-021-16548-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 09/11/2021] [Indexed: 06/14/2023]
Abstract
Chronic kidney disease of unknown etiology [CKDu] is a condition characterized by decline in kidney function and is not associated with diabetic nephropathy or hypertensive nephropathy. In this review, we have done a detailed literature analysis on CKDu in India, and then had a comparison with that of Mesoamerica and Sri Lanka. In India, CKDu became the second most common type of CKD after diabetic nephropathy. Silica was seen in the groundwater of both India and Sri Lanka, whereas in Mesoamerica silica exposure through particulate matter was seen among CKDu communities. DDE is a common agrochemical seen in both India and Sri Lanka. The risk factors vary from region to region and it is important to categorize CKDu population based on the risk factors to avoid misinterpretation of the condition as non-CKDu category and to evade further complications. More studies have to be conducted to reveal the detailed pathophysiological mechanisms and its relation with irrational exploitation of environmental resources.
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Affiliation(s)
- Aleeta Maria Jolly
- Department of Pharmacology, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, Ponekkara, Kerala, India
| | - Jaya Thomas
- Department of Pharmacology, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, Ponekkara, Kerala, India.
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Ordunez P, Martinez R. Belize population-based survey confirms the high prevalence of Chronic Kidney Disease and its risk factors in Central America. LANCET REGIONAL HEALTH. AMERICAS 2021; 1:None. [PMID: 34568864 PMCID: PMC8447577 DOI: 10.1016/j.lana.2021.100035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 07/30/2021] [Indexed: 12/24/2022]
Affiliation(s)
- Pedro Ordunez
- Department of Non-Communicable Diseases and Mental Health. Pan American Health Organization. Washington, DC. U.S.A
| | - Ramon Martinez
- Department of Non-Communicable Diseases and Mental Health. Pan American Health Organization. Washington, DC. U.S.A
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9
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Ismail AA, Hendy O, Abdel Rasoul G, Olson JR, Bonner MR, Rohlman DS. Acute and Cumulative Effects of Repeated Exposure to Chlorpyrifos on the Liver and Kidney Function among Egyptian Adolescents. TOXICS 2021; 9:toxics9060137. [PMID: 34200920 PMCID: PMC8230541 DOI: 10.3390/toxics9060137] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/04/2021] [Accepted: 06/08/2021] [Indexed: 11/16/2022]
Abstract
BACKGROUND There is a paucity of research that tracks changes in liver and kidney function among pesticide applicators. The aim of the current study was to investigate the role of repeated seasonal exposure to the organophosphorus pesticide, chlorpyrifos, on serum measures of liver and kidney function. METHODS Pesticide exposure was assessed by measuring the urinary concentrations of 3,5,6-trichloro-2 pyridinol (TCPy), a specific biomarker for chlorpyrifos. Chlorpyrifos exposure and 8 serum markers of liver and kidney function were measured at 15 timepoints over 3 years prior to, during, and following the end of seasonal pesticide application among adolescent applicators and non-applicators from 4 field stations in Menoufia, Egypt. RESULTS Urinary TCPy levels showed increases during the application cycles and recovery at the end of each application season. Altered serum markers of liver and kidney function were associated with chlorpyrifos exposure, with some markers recovering 3 months after the end of exposure each year, while other measures demonstrated progressive increase up to 300% the baseline levels at the end of 3 years. CONCLUSION The study demonstrated that frequent assessment of liver and kidney function is a sound practice to evaluate cellular injury following chronic repeated occupational and environmental exposure to chlorpyrifos.
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Affiliation(s)
- Ahmed A. Ismail
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City, IA 52242, USA;
- Community Medicine and Public Health Department, Faculty of Medicine, Menoufia University, Shebin Elkom 32511, Egypt;
- Kansas Department of Health and Environment, State of Kansas, Topeka, KS 66612, USA
- Correspondence: ; Tel.: +1-319-594-0713
| | - Olfat Hendy
- Department of Clinical Pathology, National Liver Institute, Menoufia University, Shebin Elkom 32511, Egypt;
| | - Gaafar Abdel Rasoul
- Community Medicine and Public Health Department, Faculty of Medicine, Menoufia University, Shebin Elkom 32511, Egypt;
| | - James R. Olson
- Department of Epidemiology and Environmental Health, State University of New York, Buffalo, NY 14260, USA; (J.R.O.); (M.R.B.)
- Department of Pharmacology and Toxicology, State University of New York, Buffalo, NY 14260, USA
| | - Matthew R. Bonner
- Department of Epidemiology and Environmental Health, State University of New York, Buffalo, NY 14260, USA; (J.R.O.); (M.R.B.)
| | - Diane S. Rohlman
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City, IA 52242, USA;
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Petropoulos ZE, Ramirez-Rubio O, Scammell MK, Laws RL, Lopez-Pilarte D, Amador JJ, Ballester J, O’Callaghan-Gordo C, Brooks DR. Climate Trends at a Hotspot of Chronic Kidney Disease of Unknown Causes in Nicaragua, 1973-2014. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:5418. [PMID: 34069421 PMCID: PMC8159092 DOI: 10.3390/ijerph18105418] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/10/2021] [Accepted: 05/11/2021] [Indexed: 11/17/2022]
Abstract
An ongoing epidemic of chronic kidney disease of uncertain etiology (CKDu) afflicts large parts of Central America and is hypothesized to be linked to heat stress at work. Mortality rates from CKDu appear to have increased dramatically since the 1970s. To explore this relationship, we assessed trends in maximum and minimum temperatures during harvest months between 1973 and 2014 as well as in the number of days during the harvest season for which the maximum temperature surpassed 35 °C. Data were collected at a weather station at a Nicaraguan sugar company where large numbers of workers have been affected by CKDu. Monthly averages of the daily maximum temperatures between 1996 and 2014 were also compared to concurrent weather data from eight Automated Surface Observing System Network weather stations across Nicaragua. Our objectives were to assess changes in temperature across harvest seasons, estimate the number of days that workers were at risk of heat-related illness and compare daily maximum temperatures across various sites in Nicaragua. The monthly average daily maximum temperature during the harvest season increased by 0.7 °C per decade between 1973 and 1990. The number of days per harvest season with a maximum temperature over 35 °C increased by approximately five days per year between 1974 and 1990, from 32 days to 114 days. Between 1991 and 2013, the number of harvest days with a maximum temperature over 35 °C decreased by two days per year, and the monthly average daily maximum temperature decreased by 0.3 °C per decade. Comparisons with weather stations across Nicaragua demonstrate that this company is located in one of the consistently hottest regions of the country.
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Affiliation(s)
- Zoe E. Petropoulos
- Department of Environmental Health, Boston University School of Public Health, Boston, MA 02118, USA; (M.K.S.); (R.L.L.)
| | - Oriana Ramirez-Rubio
- ISGlobal, 08003 Barcelona, Spain; (O.R.-R.); (J.B.); (C.O.-G.)
- Department of Epidemiology, Boston University School of Public Health, Boston, MA 02118, USA; (D.L.-P.); (J.J.A.); (D.R.B.)
| | - Madeleine K. Scammell
- Department of Environmental Health, Boston University School of Public Health, Boston, MA 02118, USA; (M.K.S.); (R.L.L.)
| | - Rebecca L. Laws
- Department of Environmental Health, Boston University School of Public Health, Boston, MA 02118, USA; (M.K.S.); (R.L.L.)
| | - Damaris Lopez-Pilarte
- Department of Epidemiology, Boston University School of Public Health, Boston, MA 02118, USA; (D.L.-P.); (J.J.A.); (D.R.B.)
| | - Juan José Amador
- Department of Epidemiology, Boston University School of Public Health, Boston, MA 02118, USA; (D.L.-P.); (J.J.A.); (D.R.B.)
| | - Joan Ballester
- ISGlobal, 08003 Barcelona, Spain; (O.R.-R.); (J.B.); (C.O.-G.)
| | - Cristina O’Callaghan-Gordo
- ISGlobal, 08003 Barcelona, Spain; (O.R.-R.); (J.B.); (C.O.-G.)
- Universitat Pompeu Fabra (UPF), 08002 Barcelona, Spain
- Faculty of Health Sciences, Universitat Oberta de Catalunya, 08018 Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBERESP), 28029 Madrid, Spain
| | - Daniel R. Brooks
- Department of Epidemiology, Boston University School of Public Health, Boston, MA 02118, USA; (D.L.-P.); (J.J.A.); (D.R.B.)
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Gunasekara T, De Silva PMC, Herath C, Siribaddana S, Siribaddana N, Jayasumana C, Jayasinghe S, Cardenas-Gonzalez M, Jayasundara N. The Utility of Novel Renal Biomarkers in Assessment of Chronic Kidney Disease of Unknown Etiology (CKDu): A Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E9522. [PMID: 33353238 PMCID: PMC7766480 DOI: 10.3390/ijerph17249522] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 12/08/2020] [Accepted: 12/15/2020] [Indexed: 12/25/2022]
Abstract
Chronic Kidney Disease (CKD) is a globally prevalent non-communicable disease with significant mortality and morbidity. It is typically associated with diabetes and hypertension; however, over the last two decades, an emergence of CKD of unknown etiology (CKDu) has claimed thousands of lives in several tropical agricultural communities. CKDu is associated with gradual loss of renal function without initial symptoms until reaching complete kidney failure and eventually death. The most impacted are young adult males of lower socio-economic strata. Since the disease progression can be successfully attenuated through early detection, the development of superior screening and management measures is of utmost importance. In contrast to the conventional biomarkers, novel biomarkers with improved sensitivity and specificity are being discussed as promising tools for early diagnosis of the disease. This review summarizes emerging novel biomarkers used in assessing CKD and discusses the current utility and diagnostic potential of such biomarkers for CKDu screening in clinical settings of different communities impacted by CKDu. Our goal is to provide a framework for practitioners in CKDu impacted regions to consider the use of these novel biomarkers through this synthesis. The increased use of these biomarkers will not only help to validate their diagnostic power further and establish potential prognostic value but may also provide critical insights into sites and mechanisms of renal damage.
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Affiliation(s)
- T.D.K.S.C. Gunasekara
- Department of Zoology, Faculty of Science, University of Ruhuna, Matara 81000, Sri Lanka;
| | - P. Mangala C.S. De Silva
- Department of Zoology, Faculty of Science, University of Ruhuna, Matara 81000, Sri Lanka;
- Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA;
| | - Chula Herath
- Department of Nephrology, Sri Jayawardenapura General Hospital, Sri Jayawardenepura Kotte 10100, Sri Lanka;
| | - Sisira Siribaddana
- Department of Medicine, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Mihintale 50300, Sri Lanka;
| | - Nipuna Siribaddana
- Department of Parasitology, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Mihintale 50300, Sri Lanka;
| | - Channa Jayasumana
- Department of Pharmacology, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Mihintale 50300, Sri Lanka;
| | - Sudheera Jayasinghe
- Department of Pharmacology, Faculty of Medicine, University of Ruhuna, Matara 81000, Sri Lanka;
| | - Maria Cardenas-Gonzalez
- Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA;
- Mexican Council of Science and Technology, Consejo Nacional de Ciencia y Tecnología, Mexico City 03940, Mexico
| | - Nishad Jayasundara
- The Nicholas School of the Environment, Duke University, Durham, NC 27708, USA;
- The School of Marine Sciences, University of Maine, Orono, ME 04469, USA
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Anand S, Staniec A, Montez-Rath M, Vlahos P. Using GIS Mapping to Track Hot Spots of Kidney Disease in California. N Engl J Med 2020; 382:2265-2267. [PMID: 32492310 DOI: 10.1056/nejmc2001023] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Shuchi Anand
- Stanford University School of Medicine, Palo Alto, CA
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Toomey D, Wiener E, Greene N, Weisman A, Wittels K, Wilcox SR. Mystery Medications and Renal Failure. J Emerg Med 2020; 58:807-809. [PMID: 32402479 DOI: 10.1016/j.jemermed.2020.03.031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Accepted: 03/20/2020] [Indexed: 11/17/2022]
Affiliation(s)
- David Toomey
- Department of Emergency Medicine, Harvard Medical School, Boston, Massachusetts; Department of Emergency Medicine, Massachusetts General Hospital, Boston, Massachusetts; Department of Emergency Medicine, Brigham and Women's Hospital, Boston, Massachusetts
| | - Emily Wiener
- Department of Emergency Medicine, Massachusetts General Hospital, Boston, Massachusetts
| | - Nattaly Greene
- Department of Orthopedic Surgery, Massachusetts General Hospital, Boston, Massachusetts
| | - Ashley Weisman
- Department of Emergency Medicine, Harvard Medical School, Boston, Massachusetts; Department of Emergency Medicine, Massachusetts General Hospital, Boston, Massachusetts
| | - Kathleen Wittels
- Department of Emergency Medicine, Harvard Medical School, Boston, Massachusetts; Department of Emergency Medicine, Brigham and Women's Hospital, Boston, Massachusetts
| | - Susan R Wilcox
- Department of Emergency Medicine, Harvard Medical School, Boston, Massachusetts; Department of Emergency Medicine, Massachusetts General Hospital, Boston, Massachusetts
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Wesseling C, Glaser J, Rodríguez-Guzmán J, Weiss I, Lucas R, Peraza S, da Silva AS, Hansson E, Johnson RJ, Hogstedt C, Wegman DH, Jakobsson K. Chronic kidney disease of non-traditional origin in Mesoamerica: a disease primarily driven by occupational heat stress. Rev Panam Salud Publica 2020; 44:e15. [PMID: 31998376 PMCID: PMC6984407 DOI: 10.26633/rpsp.2020.15] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 01/09/2020] [Indexed: 12/30/2022] Open
Abstract
The death toll of the epidemic of chronic kidney disease of nontraditional origin (CKDnt) in Mesoamerica runs into the tens of thousands, affecting mostly young men. There is no consensus on the etiology. Anecdotal evidence from the 1990s pointed to work in sugarcane; pesticides and heat stress were suspected. Subsequent population-based surveys supported an occupational origin with overall high male-female ratios in high-risk lowlands, but small sex differences within occupational categories, and low prevalence in non-workers. CKDnt was reported in sugarcane and other high-intensity agriculture, and in non-agricultural occupations with heavy manual labor in hot environments, but not among subsistence farmers. Recent studies with stronger designs have shown cross-shift changes in kidney function and hydration biomarkers and cross-harvest kidney function declines related to heat and workload. The implementation of a water-rest-shade intervention midharvest in El Salvador appeared to halt declining kidney function among cane cutters. In Nicaragua a water-rest-shade program appeared sufficient to prevent kidney damage among cane workers with low-moderate workload but not among cutters with heaviest workload. Studies on pesticides and infectious risk factors have been largely negative. Non-occupational risk factors do not explain the observed epidemiologic patterns. In conclusion, work is the main driver of the CKDnt epidemic in Mesoamerica, with occupational heat stress being the single uniting factor shown to lead to kidney dysfunction in affected populations. Sugarcane cutters with extreme heat stress could be viewed as a sentinel occupational population. Occupational heat stress prevention is critical, even more so in view of climate change.
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Affiliation(s)
- Catharina Wesseling
- La Isla NetworkLa Isla NetworkWashington DCUnited States of AmericaLa Isla Network, Washington DC, United States of America.
- Karolinska InstitutetKarolinska InstitutetStockholmSwedenKarolinska Institutet, Stockholm, Sweden
| | - Jason Glaser
- La Isla NetworkLa Isla NetworkWashington DCUnited States of AmericaLa Isla Network, Washington DC, United States of America.
| | - Julieta Rodríguez-Guzmán
- Pan-American Health OrganizationPan-American Health OrganizationWashington DCUnited States of AmericaPan-American Health Organization, Washington DC, United States of America
| | - Ilana Weiss
- La Isla NetworkLa Isla NetworkWashington DCUnited States of AmericaLa Isla Network, Washington DC, United States of America.
| | - Rebekah Lucas
- University of BirminghamUniversity of BirminghamBirminghamUnited KingdomUniversity of Birmingham, Birmingham, United Kingdom
| | - Sandra Peraza
- University of El SalvadorUniversity of El SalvadorSan SalvadorEl SalvadorUniversity of El Salvador, San Salvador, El Salvador
| | - Agnes Soares da Silva
- Pan-American Health OrganizationPan-American Health OrganizationWashington DCUnited States of AmericaPan-American Health Organization, Washington DC, United States of America
| | - Erik Hansson
- University of GothenburgUniversity of GothenburgGothenburgSwedenUniversity of Gothenburg, Gothenburg, Sweden
| | - Richard J. Johnson
- University of Colorado at DenverUniversity of Colorado at DenverAuroraUnited States of AmericaUniversity of Colorado at Denver, Aurora, United States of America
| | - Christer Hogstedt
- Karolinska InstitutetKarolinska InstitutetStockholmSwedenKarolinska Institutet, Stockholm, Sweden
| | - David H. Wegman
- University of Massachusetts LowellUniversity of Massachusetts LowellLowellUnited States of AmericaUniversity of Massachusetts Lowell, Lowell, United States of America
| | - Kristina Jakobsson
- University of GothenburgUniversity of GothenburgGothenburgSwedenUniversity of Gothenburg, Gothenburg, Sweden
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