Quadriplegia and Paraplegia

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Definition

Injury or disease to the nervous system can affect the ability to move a part of the body. This reduced motor ability is called paralysis.

Paraplegia—paralysis of both legs
Quadriplegia, sometimes called tetraplegia—paralysis of both legs and both arms

Paraplegia

Causes

Quadriplegia and paraplegia are most often caused by spinal cord injuries. But, they can also be caused by diseases, such as:

Multiple sclerosis
Amyotrophic lateral sclerosis (ALS) , also called Lou Gehrig’s disease

Most spinal cord injuries are caused by accidents, such as car crashes, falls, and sports injuries.

Whether it is paraplegia or quadriplegia, depends on the location along the spine where the injury occurs:

Paraplegia—damage below the neck
Quadraplegia—damage to the spinal cord at the base of the skull or neck

Quadriplegia

Risk Factors

If you have any of these symptoms do not assume it is due to these conditions. These symptoms may be caused by other conditions. Factors that put you at risk for quadriplegia and paraplegia include:

Jobs or sports activities that increase your chances of spinal injury—high-risk sports, such as football, rugby, wrestling, gymnastics, diving, surfing, ice hockey, and downhill skiing
Family history of certain inherited nerve diseases
History of cancer—can cause compression of the spinal cord

Symptoms

Paralysis due to spinal cord injuries may be total or partial. This depends on how much of the spinal cord is damaged. In addition to paralysis of the arms and/or legs, you may also suffer from:

Incontinence —bladder or bowel
Sexual dysfunction — male or female
Trouble breathing
Difficulty sitting upright depending on the level of the damage

Inactivity due to paraplegia and quadriplegia can cause additional problems, like:

People with paraplegia and quadriplegia may also become depressed because of:

Social isolation
Lack of emotional support
Increased dependence on others

Diagnosis

Diagnosis involves finding out where and how badly the brain and spinal cord are damaged. To do this, doctors will likely do the following tests:

Images may be taken of your bodily structures. This can be done with:
- CT scan
- MRI scan
- Myelography (rarely used)
Your nerve function may be tested. This can be done with:
- Nerve conduction study
- Somatosensory evoked potentials (SSEPs) (rarely used)
Your bodily fluids may be tested. This can be done with a lumbar puncture if some specific neurologic diseases are suspected.

Treatment

Immediate treatment of spinal cord injuries includes bracing the bony spine to keep it from moving and further injuring the spinal cord. Steroids and other medications may be used to lessen damage to nerves and nearby tissue.

Recovery and rehabilitation usually begins in the acute care hospital setting. Depending on the cause and extent of the condition, this involves:

Medications
Surgery
Intensive physical therapy
Counseling

During this time, patients are fitted for mobility aids, including wheelchairs. For most people, the majority of recovery happens within the first year.

Prevention

The following measures are advised to reduce your chance of getting a spinal cord injury:

Drive safely. Motor vehicle accidents are the leading cause of spinal cord injuries. Wear a seat belt every time you drive. Make sure your children wear seat belts or are in child safety seats. Don't drive if you have been drinking or using drugs.
Be safe with firearms. Lock guns and ammunition in a safe place. Store them separately in locked containers.
Take measures to avoid falls. Use a stool or stepladder to reach high places. Add handrails along stairways. Place nonslip mats in your bathroom, shower, and under carpets. To keep children safe, use safety gates to block stairs. Install window guards.
Always wear safety gear when playing sports. Avoid headfirst moves, such as:
- Diving into shallow water
- Spear tackling in football
- Sliding headfirst in baseball
- Skating headfirst into the boards in ice hockey
Use a spotter in gymnastics. Do not jump from very high places.

RESOURCES

American Muscular Dystrophy Association http://www.mdausa.org

The Christopher and Dana Reeve Foundation http://www.paralysis.org

CANADIAN RESOURCES

Health Canada http://www.hc-sc.gc.ca

Canadian Paraplegic Association (Manitoba) http://www.cpamanitoba.ca/

References

Binard JE. Care and treatment of spinal cord injury patients. J Am Paraplegia Soc . 1992;15:235-249.

Dorizzi A. Guidelines for management of spinal cord injury: spinal surgery study group of the Italian Society of Neurosurgery. J Neurosurg Sci . 1997;41:133-138.

Lukas RV, Chmura S, Nicholas MK. Management of central nervous system metastases from renal cancer. Emerging Cancer Therapeutics . 2011;2(1):157-168.

Shakur S, Takagi I, Lukas RV, Chmura S, Gajewski T, Roitberg BZ. Ocular melanoma metastasis to the cervical spine: a case report. Journal of Clinical Neuroscience . 2012;19(4):610-611.

Spinal cord injury—acute management. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed . Updated January 23, 2013. Accessed February 21, 2013.

Spinal cord injury—chronic management. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed . Updated January 23, 2013. Accessed February 21, 2013.

Revision Information

Reviewer: Rimas Lukas, MD
Review Date: 03/2013 -
Update Date: 00/31/2013 -

This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.

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