National Organization for Rare Disorders, Inc.
- CHARGE association
- choanal atresia, posterior
- coloboma, heart, atresia of the choanae, retardation of growth and
- development, genital and urinary anomalies, and ear anomalies
CHARGE syndrome is a rare disorder that arises during early fetal development and affects multiple organ systems. The term CHARGE comes from the first letter of some of the more common features seen in these children:
(C) = coloboma (usually retinochoroidal) and cranial nerve defects (80-90%)
(H) = heart defects in 75-85%, especially tetralogy of Fallot
(A) = atresia of the choanae (blocked nasal breathing passages) (50-60%)
(R) = retardation of growth (70-80%) and development
(G) = genital underdevelopment due to hypogonadotropic hypogonadism
(E) = ear abnormalities and sensorineural hearing loss (>90%)
Diagnosis is based on a specific set of features (see below). In addition to the CHARGE features above, most children with CHARGE syndrome have other features, including characteristic facial features: asymmetric facial nerve palsy, cleft lip or palate, esophageal atresia (blind-ending food pipe) or tracheoesophageal fistula (connection between the wind pipe and the food pipe). The symptoms of CHARGE syndrome vary greatly from one child to another. The cause of CHARGE is usually a new mutation (change) in the CHD7gene, or rarely, genomic alterations in the region of chromosome 8 where the CHD7 gene is located.
1825 K Street NW, Suite 1200
Washington, DC 20006
National Association for Parents of Children with Visual Impairments (NAPVI)
P.O. Box 317
Watertown, MA 02272-0317
CHARGE Syndrome Foundation, Inc.
141 Middle Neck Rd
Sand Point, NY 11050
American Speech-Language-Hearing Association
2200 Research Boulevard
Rockville, MD 20850-3289
American Foundation for the Blind
2 Penn Plaza
New York, NY 10121
Birth Defect Research for Children, Inc.
976 Lake Baldwin Lane
Orlando, FL 32814
Helen Keller National Center for Deaf-Blind Youths and Adults
141 Middle Neck Road
Sands Point, NY 11050
Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
PO Box 241956
Los Angeles, CA 90024
Let Them Hear Foundation
1900 University Avenue, Suite 101
East Palo Alto, CA 94303
American Academy of Audiology
11730 Plaza America Drive, Suite 300
Reston, VA 20190
Perkins School for the Blind
175 North Beacon Street
Watertown, MA 02472
National Consortium on Deaf-Blindness
The Teaching Research Institute
345 N. Monmouth Avenue
Monmouth, OR 97361
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Last Updated: 4/9/2012
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