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The spinal cord sends messages between the brain and the body. Spinal cord injuries can disrupt those signals. Injuries may be caused by trauma, such as a fall, or by diseases, such as cancer or arthritis. Nerve cells in the spinal cord do not regrow. When there is a severe injury, paralysis or loss of function can occur below the injury. However, surgery, medicines, rehabilitation, and technology or equipment can help spinal cord injury sufferers still have a high quality of life. Learn more about spinal cord injury.
The spinal cord, which connects the brain to the rest of the body, is a long, fragile tube of nerves protected by back bones (vertebra) of the spine (spinal column).
This central nerve sends messages between the brain and different parts of the body. Spinal injuries can cause problems with those signals, resulting in loss of control for movement and some organ functions as well as inability to feel various sensations.
Injury may result from damage to the spinal cord or vertebrae, ligaments, or discs of the spinal column. (Your doctor may refer to the vertebra and nerves in cervical, thoracic, lumbar, and sacral regions of the back.) Spinal cord injuries can be either:
Damage from both traumatic and nontraumatic injuries affects the nerves around the injured site and impairs nerve signals from the muscles and nerves below the injury.
Injuries range from “incomplete” to “complete.” A tear or bruise on the spinal cord is an incomplete injury. Most spinal pain is due to an incomplete injury, with something out of place in the back, such as pieces of vertebra or disc tissue, pressing against nerves in the spinal cord. A complete injury means that the spinal cord is severed, so the brain can’t send or receive nerve signals below that point. This results in paralysis in areas below the injury point.
Nerve cells in the spinal cord do not regrow, so there is no way to reverse damage. Researchers are working to find treatments, such as medicines that could promote nerve cell regeneration or help remaining nerves function better after a spinal cord injury. For now, treatment focuses on helping people with spinal cord injury to live as productive and active lives as possible with the help of medicines, rehabilitation, and prosthetic or assistance devices.
Spinal cord injuries are medical emergencies, and you need immediate treatment. If you are experiencing sudden severe head, back, or neck pain, you should be evaluated for a spinal injury.
Other emergency signs and symptoms include problems with:
If you have experienced trauma to your back or neck, you should assume you have a spinal injury — even if you don’t. Serious spinal injuries are not always apparent right away, so you should seek medical help before other problems (such as numbness or paralysis) potentially develop.
If you think someone has injured their neck or back, follow these precautions to ensure that the injury doesn’t get worse:
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Spinal cord injuries are often the result of an accident, such as falls, motor vehicle accidents, sports injuries, and acts of violence. Injury can also come from diseases, such as cancer or arthritis.
Some injuries can be prevented, however, by taking care of your overall health and limiting involvement in impact or extreme sports. This includes avoiding alcohol as well as not engaging in risky behavior. Falls cause most injuries in adults older than 65, so older adults should also take safety measures to avoid potential falls.
Your doctor will do a physical exam to test for sensory function (how you perceive pain, temperature, touch, and pressure) as well as movement and strength. If the injury is the result of an accident, your doctor may ask these questions:
If you have neck pain or signs of weakness or nerve damage, your doctor may want to run further tests such as:
If there is swelling around your spinal cord, your doctor may want to examine you again a few days later after the swelling has gone down.
Emergency treatment for a traumatic spinal cord injury focuses on getting your breathing stable, keeping you from further injuring your spine or going into shock, and managing complications.
Once you are stable, your treatment will focus on rehabilitation. Depending on your injury, your rehabilitation team may include one or more of these types of specialists:
Treatments may include anything from surgery to repair your spine and medicines to manage some symptoms (such as helping with pain and inflammation, bladder and bowel control, or sexual function) to rehabilitation and education.
If you are having issues with body functions or sensation below an injured site on the spinal cord, your healthcare team will help you develop strategies to address the changes caused by the injury. This includes issues with bladder and bowel control, breathing and circulation, sexual health, skin sensation, and muscle tone.
Your team can also help you avoid muscle or joint pain from overusing certain muscle groups, nerve pain in those with an incomplete injury, and depression from coping with the changes spinal cord injury brings and living with pain.
Therapists will educate you on the effects of a spinal cord injury. They can help you develop skills and adapt to new ways to do your daily tasks, including the use of assistive equipment and technology to increase your quality of life.
Some spinal injuries can’t be prevented, since they’re due to aging or normal wear and tear on your back — or unavoidable accidents and trauma. However, you can prevent some spinal injuries by avoiding risky situations and practicing good back health habits.