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A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis (ALS)
Published on: February 21, 2011
Amyotrophic lateral sclerosis and occupational history. A pilot case-control study
D Strickland1, S A Smith, G Dolliff
1Division of Epidemiology, School of Public Health, University of Minnesota, USA.
Archives of Neurology
|August 1, 1996
Summary
Occupational exposures to welding and soldering materials showed a strong association with amyotrophic lateral sclerosis (ALS). Further research is needed to investigate potential environmental toxins in industries like welding and shipbuilding linked to ALS risk.
Area of Science:
- Neurology
- Occupational Health
- Environmental Medicine
Background:
- Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease with multifactorial etiology.
- Identifying environmental and occupational risk factors is crucial for understanding ALS pathogenesis and prevention.
Purpose of the Study:
- To investigate the association between various occupational and industrial exposures and the risk of developing amyotrophic lateral sclerosis (ALS).
Main Methods:
- A case-control study design was employed, matching ALS cases with two control groups: neurological clinic patients and community individuals.
- Occupational histories and exposures were collected via questionnaires.
- The study enrolled 25 ALS cases and 25 clinic controls (other neuromuscular diseases) and 25 community controls.
Main Results:
- Exposure to welding or soldering materials (odds ratio [OR], 5.0) and the welding industry (OR, 5.3) demonstrated the strongest association with ALS.
- Electric plating showed a high OR of 8, though with limited statistical significance (P < .07).
- Other industries like paint/pigment manufacturing, petroleum, printing, and shipbuilding suggested potential risks warranting further investigation.
Conclusions:
- A significant association exists between welding/soldering exposures and ALS, necessitating further research.
- Potential environmental toxins, such as lead in welding/soldering, require investigation.
- Industries including paint manufacturing, shipbuilding, electric plating, and dairy warrant further study for potential links to ALS due to observed associations.
