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Risk Factors and Mechanisms Underlying Cross-Shift Decline in Kidney Function in Guatemalan Sugarcane Workers.


ABSTRACT:

Objective

Identify early biomarkers and mechanisms of acute kidney injury in workers at risk of developing chronic kidney disease of unknown origin (CKDu).

Methods

We assessed cross-shift changes in kidney function and biomarkers of injury in 105 healthy sugarcane workers. We obtained pre-harvest clinical data as well as daily environmental, clinical, and productivity data for each worker.

Results

The average percent decline in cross-shift estimated glomerular filtration rate (eGFR) was 21.8% (standard deviation [SD] 13.6%). Increasing wet bulb globe temperature (WBGT), high uric acid, decreased urine pH, urinary leukocyte esterase, and serum hyperosmolality were risk factors for decline in kidney function.

Conclusions

Sugarcane workers with normal kidney function experience recurrent subclinical kidney injury, associated with elevations in biomarkers of injury that suggest exposure to high temperatures and extreme physical demands.

SUBMITTER: Sorensen CJ 

PROVIDER: S-EPMC6416034 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature

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Publications

Risk Factors and Mechanisms Underlying Cross-Shift Decline in Kidney Function in Guatemalan Sugarcane Workers.

Sorensen Cecilia J CJ   Butler-Dawson Jaime J   Dally Miranda M   Krisher Lyndsay L   Griffin Benjamin R BR   Johnson Richard J RJ   Lemery Jay J   Asensio Claudia C   Tenney Liliana L   Newman Lee S LS  

Journal of occupational and environmental medicine 20190301 3


<h4>Objective</h4>Identify early biomarkers and mechanisms of acute kidney injury in workers at risk of developing chronic kidney disease of unknown origin (CKDu).<h4>Methods</h4>We assessed cross-shift changes in kidney function and biomarkers of injury in 105 healthy sugarcane workers. We obtained pre-harvest clinical data as well as daily environmental, clinical, and productivity data for each worker.<h4>Results</h4>The average percent decline in cross-shift estimated glomerular filtration ra  ...[more]

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