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Decreased Kidney Function of Unknown Cause in Nicaragua: A Community-Based Survey

In English

Författare

  • Cecilia Torres
  • Aurora Aragon
  • Marvin Gonzalez
  • Indiana Lopez
  • Kristina Jakobsson
  • Carl-Gustaf Elinder
  • Ingvar Lundberg
  • Catharina Wesseling

Summary, in English

Background: End-stage kidney disease overwhelms health services in Central America. We determined prevalences of decreased kidney function in distinct populations in the most affected region of Nicaragua. Study Design: Cross-sectional survey. Setting & Participants: Total populations aged 20-60 years of 5 villages in Northwest Nicaragua: mining/subsistence farming (elevation, 100-300 m above sea level), banana/sugarcane (100-300 m), fishing (0-100 m), services (0-100 m), and coffee (200-675 m); 479 men and 617 women (83% response). Predictor or Factor: Village; participant sex, age, and occupation; conventional chronic kidney disease risk factors. Outcomes: Serum creatinine (SCr) values greater than laboratory reference range for sex, estimated glomerular filtration rate <60 mL/min/1.73 m(2), proteinuria stratified in the low (dipstick protein excretion, 30-300 mg/dL) and high (>300 mg/dL) range. Results: Prevalences of abnormal SCr levels: 18% (of all men) and 5% (of all women); in the mining/subsistence farming village, 26% and 7%; banana/sugarcane, 22% and 6%; fishing, 13% and 4%; services, 0% and 1%; and coffee, 7% and 0%. Prevalences of estimated glomerular filtration rate <60 mL/min/1.73 m2: 14% (of all men) and 3% (of all women); in the listed villages, 19% and 5%, 17% and 4%, 10% and 2%, 0% and 0%, and 7% and 0%, respectively. Proteinuria, predominantly in the low range, affected 14% and 11% of all men and women without marked differences between villages. By occupation, abnormal SCr levels occurred in 31% and 24% of male and female agricultural workers at 100-300 m above sea level, but not at higher altitudes, and also was high in male artisans (43%), construction workers (15%), and miners (14%). In logistic regression models, for the banana/sugarcane and mining/subsistence farming villages, high blood pressure and age were significant predictors of abnormal SCr levels in men, and for mining/subsistence farming, age in women. Limitations: Causality is not addressed. Conclusions: In some Nicaraguan villages and population segments, men in particular show a high prevalence of decreased kidney function of unknown origin, possibly environmental or occupational. Am J Kidney Dis 55: 485-496. (C) 2010 by the National Kidney Foundation, Inc.

Publiceringsår

2010

Språk

Engelska

Sidor

485-496

Publikation/Tidskrift/Serie

American Journal of Kidney Diseases

Volym

55

Issue

3

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Urology and Nephrology

Nyckelord

  • agriculture
  • occupation
  • Central America
  • prevalence
  • rate (GFR)
  • glomerular filtration
  • Serum creatinine
  • chronic kidney disease (CKD)

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1523-6838