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Rett Syndrome: General Information

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Published: 2009-04-05 - Updated: 2023-02-01
Author: Disabled World | Contact: Disabled World (Disabled-World.com)
Peer-Reviewed Publication: N/A
Library of Related Papers: Pediatric Health Concerns Publications

Synopsis: Rett Syndrome is a progressive neurologic disease in girls characterized by normal birth and normal psychomotor development during the first six to 18 months of life. The hallmark of the disease is the loss of purposeful hand use and its replacement with repetitive, stereotyped hand movements. Screaming fits and inconsolable crying are common by age 18-24 months. Currently, there is no cure for RTT. Management is mainly symptomatic, focusing on optimizing the individual's abilities and providing psychosocial support for the family.

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Rett Syndrome alternate names: MECP2 Related Disorder, RTT, RTS.

Rett Syndrome, one of the MECP2 gene-related disorders, is a progressive neurologic disease in girls characterized by normal birth and normal psychomotor development during the first six to 18 months of life.

The U.S. Social Security Administration (SSA) has included Rett Syndrome as a Compassionate Allowance to expedite a disability claim.

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The girls enter a short period of developmental stagnation followed by rapid language and motor skills regression.

The hallmark of the disease is the loss of purposeful hand use and its replacement with repetitive, stereotyped hand movements. Screaming fits and inconsolable crying are common by age 18-24 months.

Additional characteristics include autistic features, panic-like attacks, bruxism (teeth grinding), episodic apnea and hyperpnea, gait ataxia and apraxia, tremors, and acquired microcephaly. After this period of rapid deterioration, the disease becomes relatively stable, though girls will likely develop dystonia and foot and hand deformities as they grow older.

Seizures occur in up to 90% of affected females.

Females with classic Rett syndrome typically survive into adulthood, but the incidence of sudden, unexplained death (which may be caused by cardiac arrhythmias) is significantly higher than in controls of similar age.

The diagnosis of Rett syndrome rests on clinical diagnostic criteria established for the syndrome and molecular testing of the MECP2 gene. Molecular genetic testing identifies MECP2 mutations in approximately 80% of females with Rett syndrome.

Currently, there is no cure for RTT. Management is mainly symptomatic, focusing on optimizing the individual's abilities and providing psychosocial support for the family.

Females with Rett syndrome may survive into adulthood but in a very dependent state.

The sudden, unexplained death incidence is significantly higher than in controls of similar age. It may partly be caused by the higher incidence of longer corrected QT intervals, T-wave abnormalities, and reduced heart rate variability.

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Cite This Page (APA): Disabled World. (2009, April 5). Rett Syndrome: General Information. Disabled World. Retrieved June 1, 2023 from www.disabled-world.com/health/pediatric/rett-syndrome.php

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