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Gene-environment mismatch in decompression sickness and air embolism
Joe Alcock1, Andrew H Brainard
1New Mexico VA Healthcare System, Emergency Medicine Service, 1501 San Pedro SE, Albuquerque, NM 87108, United States. joalcock@salud.unm.edu
Medical Hypotheses
|March 23, 2010
Summary
Decompression sickness involves blood flow obstruction by air bubbles, leading to injury. Platelet activation by gas, a potential immune response, may cause harm in this condition.
Area of Science:
- Physiology
- Immunology
- Pathology
Background:
- Decompression sickness (DCS) in SCUBA divers results from blood flow obstruction by gas bubbles.
- Platelets aggregate in response to gas, triggering inflammation in DCS.
- Inflammation in DCS may stem from the innate immune system's response to pathogens.
Purpose of the Study:
- To explore the link between gas bubbles, platelet activation, and inflammation in decompression sickness.
- To investigate the potential role of the innate immune system in DCS pathogenesis.
Main Methods:
- The study reviews existing literature on bubble formation, platelet aggregation, and inflammatory responses in DCS and infections.
- It analyzes the signaling role of intravascular gas in immune cell activation.
Main Results:
- Gas bubbles in DCS cause platelet aggregation and inflammation.
- Platelet activation by gas can be a component of the immune response to pathogens.
- The interaction between bubbles and platelets in DCS may represent a gene-environment mismatch.
Conclusions:
- The inflammatory response in decompression sickness may be an overreaction of the innate immune system to gas bubbles.
- Understanding this bubble-platelet interaction could offer new therapeutic targets for DCS.
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