Metal exposure in the physically and mentally challenged children of Punjab, India

E Blaurock-Busch1, Albrecht Friedle, Michael Godfrey

  • 1E. Blaurock-Busch PhD, is research director at Micro Trace Minerals Laboratory and advisor to the International Board of Clinical Metal Toxicology (IBCMT) and the German Medical Association of Metal Toxicology Deutsche Ärztegesellschaft für Metalltoxikologie).

Maedica
|October 7, 2011
PubMed

Insights

Hair and urine tests confirm long-term metal exposure in children, with DMSA challenge tests validating findings. Dimercapto succinic acid (DMSA) proves a safe treatment for lead overexposure, supporting chelation therapy.

Area of Science:

  • Environmental Health
  • Toxicology
  • Pediatric Health

Background:

  • Children in Punjab, India, were assessed for trace and toxic metal exposure.
  • Elevated levels of barium (Ba), cadmium (Cd), manganese (Mn), lead (Pb), and uranium (U) were detected in hair samples, indicating chronic exposure.
  • Water samples revealed uranium and lead concentrations exceeding European safety standards.

Purpose of the Study:

  • To determine if hair and urine analyses confirm long-term metal intoxication.
  • To validate the correlation between hair mineral analysis and urine challenge test results.
  • To assess the efficacy of Dimercapto Succinic Acid (DMSA) challenge tests for metal exposure in children.

Main Methods:

  • Inductively Coupled Plasma Mass Spectrometry (ICP-MS) was used to analyze 53 elements in 149 hair samples.
  • Urine baseline tests and DMSA (Dimercapto Succinic Acid) challenge tests were performed.
  • Water quality testing was conducted on randomly selected samples.

Main Results:

  • Hair analysis revealed significant levels of Ba, Cd, Mn, Pb, and U, suggesting prolonged exposure.
  • Urine tests corroborated hair analysis findings for these metals.
  • A DMSA challenge test increased urinary lead levels, confirming lead exposure.

Conclusions:

  • Hair and urine mineral analyses are complementary diagnostic tools for chelation therapy.
  • DMSA challenge tests effectively confirm chronic metal exposure identified via hair analysis.
  • DMSA is a safe and effective treatment for lead overexposure in children.
Abstract

Related Concept Videos

Types of Toxins01:36

Types of Toxins

Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Acid Mine Drainage01:19

Acid Mine Drainage

Mining activities that disturb sulfide-rich rocks, particularly those containing pyrite (FeS₂), initiate a cascade of geochemical and microbiological processes with serious environmental implications. When exposed to air and water, pyrite undergoes oxidation, releasing sulfate, ultimately forming sulfuric acid and mobilizing heavy metals into surrounding water systems. This phenomenon, known as acid mine drainage (AMD), results in low pH waters laden with toxic elements that threaten aquatic...
The Periodic Table and Organismal Elements00:57

The Periodic Table and Organismal Elements

OverviewElements are the smallest units of matter that cannot be broken down further by chemical processes. There are 118 known elements, but not all of these are naturally-occurring, and fewer still are essential for life. Living matter is composed primarily of carbon, nitrogen, hydrogen, and oxygen, with smaller amounts of other elements like calcium, phosphorus, potassium, and sulfur. Other elements are also necessary for life but only in trace amounts.The Periodic Table Provides Information...
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...