The Blood-Brain Barrier and Inflammation After TBI

After a mild traumatic brain injury (mTBI), the blood-brain barrier (BBB) can become compromised, leading to inflammation and persistent concussion symptoms. Learn why expert care in Kansas City matters.

What Is the Blood-Brain Barrier (BBB)?

The blood-brain barrier is a specialized shield of cells lining the brain’s blood vessels. It acts as a gatekeeper, allowing essential nutrients in while keeping harmful substances out.

This barrier is crucial for maintaining the brain’s delicate chemical balance and protecting it from infections and toxins.

How Does a TBI Affect the BBB?

After a concussion or mild traumatic brain injury:

• The BBB becomes “leaky” or compromised

• Tight junctions between cells loosen

• Unwanted immune cells and inflammatory molecules enter brain tissue

This disruption can last days, weeks, or even months after the injury.

Why Does BBB Disruption Cause Problems?

When the BBB leaks:

• Inflammatory cytokines flood the brain causing swelling and irritation

• The brain’s natural healing process can become overactive, damaging healthy cells

• Patients may experience headaches, brain fog, mood changes, and sleep disturbances

• Neuroinflammation can contribute to persistent post-concussion symptoms

The Link Between BBB and Persistent Symptoms

Many patients with prolonged concussion symptoms have ongoing BBB dysfunction and inflammation. This is why some feel “better” initially but then worsen, or why symptoms persist despite normal imaging.

How Kansas City Concussion Care Supports BBB Healing

We use targeted therapies to:

• Reduce neuroinflammation

• Support blood-brain barrier repair

• Improve cerebral blood flow

• Restore neurological function

Our approach helps patients recover faster and reduces the risk of chronic issues.

Call Dr. Lance Stevenson, DC Today

If you’ve had a concussion in a car accident around Kansas City, don’t ignore symptoms like headaches, mood changes, or memory problems.

Call 816-226-7476 for a free consultation and get expert care that addresses the root causes of your symptoms.

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