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Copyright 1987, 1990, 1995, 1996, 1998, 1999, 2001, 2002, 2003, 2007
Synonyms of Paraplegia, Hereditary Spastic
- Familial Spastic Paraplegia
- FSP
- HSP
- Spastic Spinal Familial Paralysis
- Strumpell Disease
- Strumpell-Lorraine Syndrome
- Strumpell-Lorrain Familial Spasmodic Paraplegia
- Strumpell's Familial Paraplegia
Disorder Subdivisions
- Hereditary spastic paraplegia, complicated
- Hereditary spastic paraplegia, uncomplicated ("pure")
General Discussion
Hereditary spastic paraplegia (HSP) is a group of inherited neurological disorders characterized by progressive weakness (paraplegia) and increased muscle tone and stiffness (spasticity) of leg muscles. HSP is also sometimes referred to as familial spastic paraplegia (FSP) or Strumpell-Lorraine syndrome. The age at symptom onset and the degree of muscle weakness and spasticity may be extremely variable from case to case, including among individuals within the same family (kindred). According to reports in the medical literature, symptom onset may occur as early as infancy or as late as the eighth or ninth decade of life; however, symptoms may most often develop during early to mid-adulthood. Initial findings typically include stiffness and relatively mild weakness of leg muscles, balance difficulties, unexplained tripping and falls, and an unusually "clumsy" manner of walking (gait). As the disorder progresses, walking may become increasingly difficult. However, complete loss of the ability to walk is relatively rare.
HSP may be classified into two major subtypes: "uncomplicated" or "complicated" HSP. In individuals with uncomplicated (or "pure") HSP, progressive spastic paraplegia occurs as an isolated, primary finding. In those with complicated HSP, additional neurologic abnormalities are present. Some individuals with uncomplicated HSP may develop muscle spasms and difficulties with bladder control. In those with complicated HSP, associated symptoms and findings may include visual and/or hearing impairment, mental retardation, impaired control of voluntary movements (ataxia), and/or other abnormalities.
According to researchers, changes (mutations) of many different genes may cause HSP. In most cases, such mutations appear to be transmitted as an autosomal dominant trait. More rarely, mutations for HSP may be inherited as an autosomal recessive or X-linked recessive trait. The basic underlying defect or defects in HSP are unknown. However, associated symptoms appear to result from progressive degenerative changes of regions of the spinal cord (corticospinal tracts) that convey motor impulses from the brain to muscles involved in controlling certain voluntary movements
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Organizations related to Paraplegia, Hereditary Spastic
- Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg MD 20898-8126
Phone #: 301-251-4925
800 #: 888-205-2311
e-mail: ordr@od.nih.gov
Home page: http://rarediseases.info.nih.gov/Default.aspx
- MUMS (Mothers United for Moral Support, Inc) National Parent-to-Parent Network
150 Custer Court
Green Bay WI 54301-1243
Phone #: 920-336-5333
800 #: 877-336-5333
e-mail: mums@netnet.net
Home page: http://www.netnet.net/mums/
- National Institute of Neurological Disorders and Stroke (NINDS)
P.O. Box 5801
Bethesda MD 20824
Phone #: 301-496-5751
800 #: 800-352-9424
e-mail: me20t@nih.gov
Home page: http://www.ninds.nih.gov/
- Spastic Paraplegia Foundation
212 Farm Rd
Woburn MA Sherborn
Phone #: N/A
800 #: 877-773-4483
e-mail: info@sp-foundation.org
Home page: http://sp-foundation.org
- Tom Wahlig Foundation - JENA
Veghestrasse 22
Muenster Intl 48149
Phone #: 49 -251- 2007 9120
800 #: --
e-mail: info@fsp-info.de
Home page: http://www.fsp-info.de
- WE MOVE (Worldwide Education and Awareness for Movement Disorders)
204 West 84th Street
New York NY 10024
Phone #: 212-875-8312
800 #: N/A
e-mail: wemove@wemove.org
Home page: http://www.wemove.org
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