What Researchers Did
Researchers explored the idea that subacute fat embolism, similar to gas embolism in decompression sickness, could be the cause of multiple sclerosis by damaging blood vessels and myelin.
What They Found
The study noted similarities between the neurological symptoms of decompression sickness (caused by gas embolism) and multiple sclerosis (MS). They found that MS plaques often appear around small veins, and that injecting certain substances into arteries can cause similar vein damage and myelin loss in animal brains. The authors also highlighted human evidence suggesting fat can block tiny blood vessels in the nervous system, leading to swelling around veins and myelin loss, and that acute fat embolism can cause lesions in areas also affected by MS.
What This Means for Canadian Patients
This 1982 study suggests a potential vascular cause for multiple sclerosis, which could help in understanding how the disease might begin. While it doesn't offer immediate treatment, understanding such underlying mechanisms could guide future research into preventing or managing MS for Canadian patients.
Canadian Relevance
No direct Canadian connection identified.
Study Limitations
The study proposes a hypothesis for MS based on similarities and indirect evidence, but acknowledges that animal models did not exactly reproduce human MS plaques, indicating the theory requires further direct confirmation.