Spinal Cord Injury Center – Treatments, Research …

Posted: September 7, 2015 at 9:42 pm

A spinal cord injury (SCI) involves damage to the spinal cord and nerve roots. Car accidents, falls, violent acts, and non-traumatic disorders can injure the spinal cord. SCI temporarily or permanently stops or alters the ability of the brain to communicate with other parts of the body.

Paralysis is a common outcome (temporary or permanent). However, spinal cord injury involves much more than damage to the spinal cord. After the primary injury, a cascade of secondary events can occur, such as inflammation, that can amplify the effects of the injury. Those secondary events can also cause pain or other symptoms. Currently, there is intense research interest in this secondary response to injury.

The National Spinal Cord Injury Statistical Center reported approximately 12,000 new cases of SCI occur each year in the United States. However, since incident studies have not been conducted since the 1990s, it is not known if this number has changed.1

Facts about Spinal Cord Injury

The severity of a spinal cord injury depends on where the spinal cord is damaged and if the injury is complete or incomplete.

Complete SCI

Incomplete SCI

There are different types of incomplete spinal cord injury. Included are: anterior cord syndrome, central cord syndrome, and Brown-Squard syndrome.

Anterior Cord Syndrome The anterior spinal cord is the front section. Symptoms may be caused when this part of the cord is compressed by a bone fragment or when there is insufficient blood supply. Symptoms include functional (motor skills) and sensory loss (i.e., light touch, pinprick) below the injury level.2

Central Cord Syndrome The central spinal cord is the middle area. These nerve fibers are large and exchange information between the spinal cord and the cerebral cortex (gray matter in the brain). The cerebral cortex is important to personality, interpreting sensation (feeling), and movement (motor function). The central spinal cord is important for hand and arm function, such as fine motor control (e.g., writing), although the lower body can be affected (e.g., loss of bladder control), too.

Brown-Squard Syndrome This syndrome affects one-half of the spinal cord, either the left or right side. If the right-hand side of the spinal cord is injured, symptoms affect the right side of the body (and if the left-hand side of the spinal cord is injured, the left side of the body is affected). It is characterized by partial loss of function or impaired function.

Spinal Levels and Areas Possibly Affected by SCI

A note about interpreting the table: Remember that a complete SCI affects all spinal cord function below the injury. For example, a thoracic injury may start at the torso and arms level, but it will also affect the low back, pelvis, groin, tailbone, legs, and toes.

Updated on: 08/28/14

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