Aerotoxic syndrome
Aerotoxic syndrome
Aerotoxic syndrome is a term used to describe a range of symptoms that are claimed to be caused by exposure to contaminated bleed air in aircraft cabins. The concept of aerotoxic syndrome is controversial and not widely recognized in the medical community.
Overview[edit | edit source]
Aerotoxic syndrome is purported to result from exposure to engine oil or other chemicals that may enter the cabin air supply through the bleed air system. This system is used in most commercial aircraft to provide cabin pressurization and ventilation by drawing air from the compressor section of the jet engine.
Symptoms[edit | edit source]
The symptoms associated with aerotoxic syndrome are varied and can include:
These symptoms are non-specific and can overlap with other conditions, making diagnosis challenging.
Proposed Mechanism[edit | edit source]
Proponents of the aerotoxic syndrome hypothesis suggest that organophosphates and other chemicals used in engine oils can leak into the cabin air through the bleed air system. These substances are thought to have neurotoxic effects, potentially leading to the symptoms described.
Controversy[edit | edit source]
The concept of aerotoxic syndrome is controversial. While some pilots and cabin crew have reported symptoms consistent with the syndrome, scientific studies have not conclusively demonstrated a causal link between bleed air contamination and the reported health effects. The aviation industry and regulatory bodies continue to investigate the potential risks associated with cabin air quality.
Prevention and Mitigation[edit | edit source]
Efforts to address concerns about cabin air quality include:
- Improved maintenance and monitoring of aircraft systems
- Development of air filtration technologies
- Research into alternative air supply systems that do not rely on bleed air
Related pages[edit | edit source]
Gallery[edit | edit source]
Cabin pressure and bleed air control panels on a Boeing 737-800
Cabin pressure and Bleed air control panels on a Boeing 737-800
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Contributors: Prab R. Tumpati, MD
