2014, Number 2
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MEDICC Review 2014; 16 (2)
Chronic Kidney Disease of Unknown Etiology in Agricultural Communities
Almaguer, M, Herrera R, Orantes CM
Language: Spanish
References: 49
Page: 9-15
PDF size: 252.34 Kb.
ABSTRACT
In recent years, Central America, Egypt, India and Sri Lanka have reported a high prevalence of chronic kidney disease of unknown etiology in agricultural communities, predominantly among male farmworkers. This essay examines the disease’s case defi nitions, epidemiology (disease burden, demographics, associated risk factors) and causal hypotheses, by reviewing published fi ndings from El Salvador, Nicaragua, Costa Rica, Sri Lanka, Egypt and
India. The range of confi rmed chronic kidney disease prevalencew as 17.9%–21.1%. Prevalence of reduced glomerular filtration (‹ 60 mL/min/1.73m
2 body surface area) based on a single serum creatinine measurement was 0%–67% men and 0%–57% women. Prevalence was generally higher in male farmworkers aged 20–50 years, and varied by community economic activity and altitude. Cause was unknown in 57.4%–66.7% of patients. The dominant histopathological diagnosis was chronic tubulointerstitial nephritis. Associations were reported with agricultural work,
agrochemical exposure, dehydration, hypertension, homemade alcohol use and family history of chronic kidney disease. There is no strong evidence for a single cause, and multiple environmental, occupational and social factors are probably involved. Furthere tiological research is needed, plus interventions to reduce preventable risk factors.
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