Chronic Kidney Disease Linked to Dust Exposure in the Workplace

By Alana Smart / September 25, 2024 / Blog ,

Chronic Kidney Disease Linked to Dust Exposure in the Workplace

New research continues to shed light on the significant health risks posed by particle exposure in the workplace.

The study, tracking over 280,000 Swedish construction workers, has established a significant association between dust exposure in the workplace and an increased risk of chronic kidney disease (CKD). Published in Occupational and Environmental Medicine, this research analyzed health survey data collected between 1971 and 1993, focusing on the long-term effects of exposure to harmful particles such as cement dust, concrete, diesel exhaust, and quartz dust.

Dust Exposure and Kidney Disease Risk

Utilizing a robust dataset spanning two decades, researchers evaluated the participants’ kidney function and monitored the progression of CKD. The researchers categorized workers based on their exposure to inorganic dust and fumes, wood dust, and fibers.  Cement and concrete dust were the most common exposures. The primary outcome was the incidence of CKD, while the secondary outcome was the need for renal replacement therapy (RRT). 

The study’s findings indicate that long-term dust exposure in the workplace can cause gradual kidney damage, leading to CKD. The research found that individuals exposed to higher levels of dust and particles in construction environments have a 15% greater likelihood of being diagnosed with chronic kidney disease (CKD) compared to those not exposed. Interestingly, the increased risk for CKD was not observed in individuals after they retired. This suggests that continuous exposure is a key factor in developing the disease. This evidence highlights the critical need for employers to prioritize reducing particulate exposure on the job before it causes damage.

Occupational Health Concerns

CKD involves a slow deterioration of the kidney’s ability to filter waste from the bloodstream, causing harmful substances to accumulate. If left untreated, CKD can lead to kidney failure, requiring dialysis or a transplant, and increasing the risk of other health issues. For workers diagnosed with CKD, the disease can severely impact their quality of life and ability to work.

“Chronic kidney disease is a serious disease that has a major impact on an individual’s quality of life, increasing the risk of secondary diseases and leading to high healthcare costs. Primary prevention is therefore of great importance,” said Leo Stockfelt, Associate Professor of Occupational and Environmental Medicine at Sahlgrenska Academy, University of Gothenburg.

Factors like diabetes or high blood pressure often contribute to kidney disease. However, this study highlights an environmental and occupational dimension we cannot overlook. Increasingly, experts recognize chronic exposure to inorganic dust and fumes, prevalent in construction, manufacturing, and mining industries, as a significant contributor to CKD. The findings align with previous research linking ambient air pollution to kidney disease. However, this is one of the few studies focusing on the occupational setting. 

Reducing Exposure: What Employers Can Do

Occupational health measures, such as improved emissions controls and the increased use of personal protective equipment (PPE), have reduced dust exposure in the workplace since the 1970s. However, employers still need to make further improvements to safeguard workers. Employers should continuously update safety protocols, ensure proper use of PPE, and implement stricter workplace emission standards to reduce the risk of CKD among employees.

The construction industry, in particular, must pay close attention to these findings. The study suggests that the harmful effects of dust exposure are still a concern despite recent improvements.

What’s Next for Research?

Previous research indicates that outdoor air pollution particles from industry, vehicle exhaust, and heating may heighten the risk of CKD. This study suggests that this correlation is likely to extend to occupational exposure to particles in the construction industry.

“We see a clear link between having worked in construction environments with high dust levels and the risk of developing chronic kidney disease before the age of 65. But further studies are required to show whether there is a causal link and to identify the biological mechanisms,” said Karl Kilbo Edlund, first author of the study.

 

 

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