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[Renal osteodystrophy in Maracaibo].

O Salgado1, R García, G Delling

  • 1Servicio de Nefrología, Hospital Universitario de Maracaibo, Venezuela.

Investigacion Clinica
|January 1, 1992
PubMed
Summary
This summary is machine-generated.

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Chronic hemodialysis patients exposed to high aluminum (Al) levels in tap water developed significant bone disease. Bone biopsies revealed mixed osteodystrophy or osteomalacia, with Al deposits linked to skeletal pain and fractures.

Area of Science:

  • Nephrology
  • Bone Histology
  • Toxicology

Background:

  • Chronic hemodialysis patients are susceptible to bone disease.
  • Tap water used in Maracaibo contains high aluminum (Al) levels.
  • Elevated blood Al levels were observed in the patient cohort.

Purpose of the Study:

  • To investigate bone histologies in hemodialysis patients with high aluminum exposure.
  • To diagnose the type of renal osteodystrophy and detect bone aluminum deposits.

Main Methods:

  • Bone biopsies from the iliac crest of 49 hemodialysis patients.
  • Histomorphometry for osteodystrophy classification.
  • Al-staining and graphite furnace atomic absorption spectroscopy for aluminum detection.

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Main Results:

  • 63.3% of patients showed mixed osteodystrophy (osteitis fibrosa and osteomalacia).
  • 37.7% exhibited pure osteomalacia.
  • Bone Al deposits were found in 70% of cases, associated with bone pain, fractures, and deformities.

Conclusions:

  • High aluminum exposure from untreated tap water contributes to renal osteodystrophy in hemodialysis patients.
  • Bone biopsy is recommended for patients with bone pain and elevated blood aluminum levels.