Friedreichs ataxia is a rare, inherited disease. It causes a gradual breakdown of the nervous system. Friedreichs ataxia affects nerves in the brain and spinal cord that control movement. It also affects sensory nerves that help with coordination. In later stages, the disease can cause injury to the heart and pancreas.
The Nervous System
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Friedreichs ataxia is caused by a problem with a gene called the frataxin gene. This gene is found on chromosome 9q13. To develop this disease, a person must inherit a copy of the defective gene from each parent. However, there are some people with Friedreichs ataxia that have no family history of the disorder.
Symptoms can be different for each person. The most common include:
Your doctor will ask about your symptoms. You will also be asked about your medical history, family history, and current medication. A physical exam will be done. If Friedreichs ataxia is suspected, you may also see a doctor who specializes in the nervous system.
Images may need to be taken of your bodily structures. This can be done with:
The function of your muscles and nerves may be tested. This can be done with:
The electrical activity of your heart may be assessed. This can be done with:
Your bodily fluids and tissues may be tested. This can be done with:
There is no known cure for this condition.
Long-term management is aimed at maintaining as much function as possible and controlling symptoms. Some treatments that may help include:
Friedreich’s Ataxia Research Alliance
National Ataxia Foundation
International Network of Ataxia Friends
Muscular Dystrophy Canada
Friedreich ataxia. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T113912/Friedreich-ataxia. Updated May 19, 2016. Accessed September 26, 2016.
Friedreich's ataxia (FA). Muscular Dystrophy Association website. Available at: http://mdausa.org/disease/friedreichs-ataxia. Accessed May 20, 2013.
Friedreich’s ataxia fact sheet. National Institute of Neurological Disorders and Stroke website. Available at: http://www.ninds.nih.gov/disorders/friedreichs_ataxia/detail_friedreichs_ataxia.htm. Updated August 16, 2011. Accessed May 20, 2013.
Koeppen AH. Friedreich’s ataxia: pathology, pathogenesis, and molecular genetics. J Neurol Sci. 2011;303(1-2):1-12.
Wilson RB. Therapeutic developments in Friedrich ataxia. J Child Neurol. 2012;27(9):1212-1216.
Last reviewed January 2015 by Rimas Lukas, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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