What Are the Types of Brain Injuries From Car Accidents?

Car accidents are a leading cause of traumatic brain injuries in the United States, affecting thousands of people each year. These injuries range from mild concussions to severe trauma that alters a person's ability to work, think, and live independently. Knowing about the different types of brain injuries helps accident survivors recognize any symptoms early and seek appropriate medical care.

What Is a Concussion?

A “concussion” occurs when the brain moves about rapidly inside the skull, often from a sudden impact or jolt. This movement causes chemical changes in the brain while sometimes damaging brain cells. The symptoms may include headaches, confusion, dizziness, nausea, and sensitivity to light or noise. Although many people recover from concussions within weeks, some experience prolonged symptoms that require ongoing treatment and rest.

What Are Contusions?

“Contusions” are bruises on the brain tissue that develop when blood vessels break after a direct impact to the head. These injuries can occur at the point of impact or on the opposite side of the brain as it rebounds within the skull. Large contusions may require surgical removal, while smaller ones often heal with medical monitoring. These symptoms depend on the location and size of the bruise but frequently include memory problems, difficulty concentrating, and mood changes.

How Do Diffuse Axonal Injuries Happen?

“Diffuse axonal” injuries result from severe rotational forces or sudden deceleration that tear nerve fibers throughout the brain. This type of injury commonly occurs in high-speed collisions where the head whips violently back and forth. The tearing disrupts communication between brain cells, which can lead to widespread brain damage. People with this injury often fall into a coma and may experience lasting cognitive and physical impairments.

What Is a Coup-Contrecoup Injury?

A “coup-contrecoup” injury involves damage at both the impact site and the opposite side of the brain. When the head strikes an object, the brain hits the skull at the point of contact, then rebounds and strikes the opposite side. This dual trauma can cause extensive bruising and swelling in multiple brain regions. Symptoms vary based on which areas are affected but often include vision problems, speech difficulties, and impaired motor function.

Can Penetrating Injuries Occur in Car Accidents?

“Penetrating” injuries happen when objects break through the skull and enter the brain tissue during a collision. Shattered glass, metal fragments, or other debris can pierce the head in severe crashes. These injuries frequently cause significant bleeding, infection risks, and damage to specific brain regions where the object entered. Immediate surgery is typically required to remove foreign objects, repair damaged tissue, and prevent further complications.

What Is Second Impact Syndrome?

“Second impact syndrome” can happen in car accidents when someone suffers another head injury before fully recovering from an initial concussion. The brain becomes extremely vulnerable during the healing process, so even a minor blow can trigger rapid swelling and potentially fatal complications. This condition primarily affects young athletes but can occur in anyone who returns to activities too soon after a concussion or is injured in a crash. Second impact syndrome symptoms escalate quickly and include severe headaches, loss of consciousness, and respiratory failure.

How Do Hematomas Form After Accidents?

“Hematomas” are collections of blood outside blood vessels that form when trauma ruptures vessels in or around the brain. ‘Epidural’ hematomas develop between the skull and outer brain covering, while ‘subdural’ hematomas form beneath this membrane. ‘Intracerebral’ hematomas are different, occurring within the brain tissue itself. These injuries create dangerous pressure that can damage brain tissue, requiring emergency surgery to drain the accumulated blood and relieve pressure.

Your Path to Justice Starts With Our Experienced Lackawanna Car Accident Lawyers at Dan Chiacchia Injury Attorneys

If you or a loved one suffered a brain injury in a motor vehicle crash, contact our Lackawanna car accident lawyers at Dan Chiacchia Injury Attorneys. For a free case review, call today at 716-648-3030 or complete our online contact form. Located in Hamburg, New York, we proudly serve clients in the surrounding areas.