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Angelman Syndrome
Angelman syndrome is a genetic disorder that mainly affects the nervous system. Characteristic of this condition include delayed development, intellectual disability, speech impairment, and ataxia which is problems with balance and movement. Most affected children also have epilepsy and microcephaly meaning relatively small heads. Delayed development becomes noticeable by the age of 6 to 12 months, and more common signs and symptoms usually appear in early childhood.

Children with Angelman syndrome typically have a happy, excitable demeanor with frequent smiling, laughter, and happy hand movements. Hyperactivity, a short attention span, and a fascination with water are common. Most affected children also have difficulty sleeping and need less sleep than usual. With age, these symptoms seem to improve and get better over time. However, affected individuals continue to have intellectual disability, severe speech impairment, and seizures all throughout their lives. Adults with Angelman syndrome have distinctive facial features that may be described as “coarse”, Where they have larger facial features but their head is slightly smaller than normal. Other common features include unusually fair skin with light-colored hair and scoliosis which is an abnormal side-to-side curvature of the spine. The life expectancy of people with this condition appears to be nearly normal.

Angelman syndrome is usually diagnosed by a healthcare provider. If they are suspecting they will usually do a physical examination and check personal medical history along with the child’s family medical history along with a few lab tests like genetics testing. Molecular, chromosomal, and biochemical genetic testing could also be used to diagnose genetic disorders. Other laboratory tests that measure the levels of a particular substance in blood and urine can also help suggest a diagnosis.

The prognosis of a genetic condition depends on many factors, including the specific diagnosis and an individual’s particular signs and symptoms. Sometimes the associated genetic change, if known, can also give clues to the prognosis. Additionally, the course and outcome of a condition depends on the availability and effectiveness of treatment and management approaches. The prognosis of very rare diseases can be difficult to predict because so few affected individuals have been identified. Prognosis may also be difficult or impossible to establish if a person’s diagnosis is unknown.
The prognoses of genetic disorders vary widely, often even among people with the same condition. Some genetic disorders cause physical and developmental problems that are so severe they are incompatible with life. These conditions may cause a miscarriage of an affected embryo or fetus, or an affected infant may be stillborn or die shortly after birth. People with less severe genetic conditions may live into childhood or adulthood but have a shortened lifespan due to health problems related to their disorder. Genetic conditions with a milder course may be associated with a normal lifespan and few related health issues.
The prognosis of a disease is based on probability, which means that it is likely but not certain that the disorder will follow a particular course. Your healthcare provider is the best resource for information about the prognosis of your specific genetic condition. He or she can assess your medical history and signs and symptoms to give you the most accurate estimate of your prognosis.

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