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Markers of kidney tubular and interstitial injury and function among sugarcane workers with cross-harvest serum creatinine elevation

Hansson, Erik, 1987 (author)
Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa,Institute of Medicine, School of Public Health and Community Medicine
Wegman, D. H. (author)
Wesseling, C. (author)
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Glaser, J. (author)
Schlader, Z. J. (author)
Wijkstrom, J. (author)
Karolinska Institutet
Jakobsson, Kristina (author)
Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa,Institute of Medicine, School of Public Health and Community Medicine
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 (creator_code:org_t)
2021-12-31
2022
English.
In: Occupational and Environmental Medicine. - : BMJ. - 1470-7926 .- 1351-0711. ; 79:6, s. 396-402
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Objectives Serum creatinine (SCr) is a routine marker of kidney injury but also increases with dehydration and muscular work. This study was to elucidate whether increase in SCr is associated with more specific markers of kidney tubular and interstitial injury and function, during prolonged heat stress among workers at high risk of chronic kidney disease of non-traditional origin (CKDnt). Methods Urine monocyte chemoattractant protein-1 (MCP-1), kidney injury molecule-1 (KIM-1), calbindin, glutathione S-transferase-pi (GST-pi), clusterin, interleukin 18 and albumin, fractional excretion of potassium (FEK), blood haemoglobin, serum potassium, ferritin and erythropoietin were measured before and after harvest in a sample of 30 workers with a >= 0.3 mg/dL SCr increase across harvest (cases), and 53 workers with stable SCr (controls). Results Urine MCP-1 (p for differential cross-harvest trend <0.001), KIM-1 (p=0.002), calbindin (p=0.02), GST-pi (p=0.04), albumin (p=0.001) and FEK (p<0.001) increased in cases, whereas blood haemoglobin (p<0.001) and serum erythropoietin (p<0.001) decreased. Conclusion Several markers of tubular and interstitial injury and function changed as SCr increased across a harvest season, supporting the use of SCr as an indicator of kidney injury in physically active workers regularly exposed to heat stress. Repeated injury similar to that described here, and continued work under strenuous and hot conditions with similarly elevated injury markers is likely to worsen and possibly initiate CKDnt.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP  -- Hälsovetenskap (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Health Sciences (hsv//eng)

Keyword

occupational health
physical exertion
kidney diseases
climate
PROXIMAL TUBULE
URINARY BIOMARKERS
MESOAMERICAN NEPHROPATHY
DISEASE
PROGRESSION
RAT

Publication and Content Type

ref (subject category)
art (subject category)

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