When someone is in a car accident, the body experiences two types of injury:
Primary injury
This is the immediate mechanical damage. Bruising, shearing of neurons, torn vessels, crushed tissue. Nothing reverses that.
Secondary injury
This unfolds minutes to hours later. And this is where intravenous DMSO is believed to have positive effects.
In trauma, the real danger is often the biochemical cascade that follows.
Massive oxidative stress after impact:
Within minutes of head trauma, injured cells release large amounts of reactive oxygen species. The brain is particularly vulnerable because it is rich in lipids and consumes high amounts of oxygen.
DMSO is a strong hydroxyl radical scavenger. In the early hours after trauma, has the abilty to:
• Reduce lipid peroxidation in neuronal membranes
• Protect mitochondria from oxidative collapse
• Limit expansion of tissue damage
• Reduce secondary neuronal death
Timing matters here. Once oxidative damage is widespread, protection becomes much harder.
Reduction of brain swelling:
After trauma, inflammation causes fluid accumulation in brain tissue. Swelling increases intracranial pressure. Increased pressure reduces blood flow. Reduced blood flow causes further injury.
This becomes a vicious cycle.
DMSO has osmotic and membrane stabilizing properties have the ability to:
• Reduce cerebral edema
• Lower intracranial pressure
• Improve oxygen delivery to injured tissue
• Slow the pressure driven inflammatory spiral
Interrupting that cycle early can preserve surrounding brain tissue.
Membrane stabilization during acute cellular shock:
Trauma disrupts cell membranes through mechanical force and oxidative damage. When membranes destabilize, calcium floods into cells, which triggers cell death pathways.
DMSO interacts with lipid bilayers:
• Stabilize injured cell membranes
• Reduce calcium influx
• Protect mitochondrial integrity
• Preserve borderline viable cells
In trauma, many cells are not immediately dead but are on the edge. Stabilization can make the difference.
Improved microcirculation:
After severe impact, microvascular circulation can become sluggish. Red blood cells stiffen. Platelets aggregate. Capillaries constrict.
DMSO :
• Improve red blood cell flexibility
• Reduce platelet clumping
• Enhance capillary perfusion
• Improve tissue oxygenation
Better circulation reduces ischemia driven inflammation.
Modulation of inflammatory signaling:
Trauma triggers release of cytokines and inflammatory mediators. Some degree of inflammation is necessary for repair, but excessive signaling worsens injury.
DMSO has the abilty to:
• Reduce prostaglandin synthesis
• Decrease leukocyte adhesion
• Modulate inflammatory mediator release
This could dampen excessive inflammatory amplification.
Whole body trauma:
In a car accident, inflammation is not limited to the brain. There may be muscle injury, internal bruising, spinal trauma.
Systemically, DMSO’s antioxidant and circulatory effects has tge ability to:
• Reduce soft tissue inflammation
• Decrease muscle swelling
• Improve recovery of injured tissue
• Reduce inflammatory pain
Why early administration is key:
The first few hours after trauma are when secondary injury cascades are most active. Intervening during this window may prevent damage from spreading beyond the initial mechanical injury.
Once widespread inflammation, edema, and mitochondrial failure are established, reversing it is much more difficult.
Important context:
Standard trauma care remains critical. Airway stabilization, bleeding control, imaging, pressure monitoring, and surgical intervention when needed are foundational.
DMSO, where used, would be considered adjunctive, aimed at limiting secondary inflammatory damage rather than replacing emergency medical protocols.
In simple terms, in car accident trauma, the potential benefit of DMSO lies in calming the biochemical storm that follows the impact, not undoing the impact itself.
Copyright Maryjayne Aria
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