PEHO syndrome: Difference between revisions
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{{Infobox medical condition | {{Infobox medical condition | ||
| name = PEHO syndrome | | name = PEHO syndrome | ||
| | | synonyms = Progressive encephalopathy with edema, hypsarrhythmia, and optic atrophy | ||
| field = [[Neurology]], [[Genetics]] | |||
| symptoms = [[Developmental delay]], [[seizures]], [[optic atrophy]], [[cerebellar atrophy]], [[hypotonia]], [[edema]] | |||
| field = | | onset = Infancy | ||
| symptoms = | | duration = Lifelong | ||
| causes = [[Genetic mutation]] | |||
| onset = | | risks = [[Family history]] | ||
| duration = | | diagnosis = [[Clinical diagnosis]], [[genetic testing]] | ||
| differential = [[Aicardi syndrome]], [[West syndrome]], [[Lennox-Gastaut syndrome]] | |||
| causes = | | treatment = [[Supportive care]], [[antiepileptic drugs]] | ||
| risks = | | prognosis = Poor | ||
| diagnosis = | | frequency = Rare | ||
| differential = | |||
| treatment = | |||
| prognosis = | |||
| frequency = | |||
}} | }} | ||
{{Short description|A rare genetic disorder}} | |||
'''PEHO syndrome''' is a | {{Medical resources}} | ||
'''PEHO syndrome''' (Progressive Encephalopathy with Edema, Hypsarrhythmia, and Optic atrophy) is a rare [[genetic disorder]] characterized by a combination of neurological and developmental abnormalities. It was first described in 1991 by Finnish researchers. | |||
==Presentation== | |||
PEHO syndrome typically presents in infancy, with symptoms appearing within the first few months of life. The hallmark features of the syndrome include: | |||
* '''Progressive encephalopathy''': This refers to the progressive deterioration of brain function, leading to severe developmental delays and intellectual disability. | |||
* '''Edema''': Swelling, particularly in the face and extremities, is a common feature. | |||
* '''Hypsarrhythmia''': A specific pattern of chaotic brain wave activity seen on an [[electroencephalogram]] (EEG), often associated with [[infantile spasms]]. | |||
* '''Optic atrophy''': Degeneration of the [[optic nerve]], leading to vision impairment or blindness. | |||
Additional symptoms may include [[seizures]], [[hypotonia]] (reduced muscle tone), and [[ataxia]] (lack of voluntary coordination of muscle movements). | |||
==Genetics== | |||
PEHO syndrome is believed to be inherited in an [[autosomal recessive]] manner, meaning that two copies of the mutated gene, one from each parent, are required for a child to be affected. The specific genetic mutations responsible for PEHO syndrome have not been fully elucidated, but research suggests involvement of genes related to [[neuronal development]] and function. | |||
==Diagnosis== | ==Diagnosis== | ||
Diagnosis of PEHO syndrome is primarily clinical, based on the characteristic symptoms and neurological findings. [[Magnetic resonance imaging]] (MRI) of the brain may show specific patterns of brain atrophy and other abnormalities. Genetic testing may be used to support the diagnosis, although specific genetic markers for PEHO syndrome are not always identifiable. | |||
==Management== | |||
There is currently no cure for PEHO syndrome, and treatment is primarily supportive and symptomatic. Management strategies may include: | |||
* | * [[Anticonvulsant]] medications to control seizures. | ||
* | * Physical and occupational therapy to address motor skills and muscle tone. | ||
* | * Vision and hearing support, including the use of assistive devices. | ||
* Nutritional support and management of feeding difficulties. | |||
==Prognosis== | |||
The prognosis for individuals with PEHO syndrome is generally poor, with most affected children experiencing severe developmental delays and significant health challenges. Life expectancy is often reduced, with many children not surviving beyond early childhood. | |||
==Related pages== | |||
== | * [[Genetic disorder]] | ||
* [[Infantile spasms]] | |||
* [[Optic atrophy]] | |||
* [[Seizure disorder]] | |||
[[Category:Genetic disorders]] | |||
[[Category:Neurological disorders]] | |||
[[Category:Pediatric diseases]] | |||
[[Category: | |||
Latest revision as of 03:56, 4 April 2025
| PEHO syndrome | |
|---|---|
| Synonyms | Progressive encephalopathy with edema, hypsarrhythmia, and optic atrophy |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Developmental delay, seizures, optic atrophy, cerebellar atrophy, hypotonia, edema |
| Complications | N/A |
| Onset | Infancy |
| Duration | Lifelong |
| Types | N/A |
| Causes | Genetic mutation |
| Risks | Family history |
| Diagnosis | Clinical diagnosis, genetic testing |
| Differential diagnosis | Aicardi syndrome, West syndrome, Lennox-Gastaut syndrome |
| Prevention | N/A |
| Treatment | Supportive care, antiepileptic drugs |
| Medication | N/A |
| Prognosis | Poor |
| Frequency | Rare |
| Deaths | N/A |
A rare genetic disorder
PEHO syndrome (Progressive Encephalopathy with Edema, Hypsarrhythmia, and Optic atrophy) is a rare genetic disorder characterized by a combination of neurological and developmental abnormalities. It was first described in 1991 by Finnish researchers.
Presentation[edit]
PEHO syndrome typically presents in infancy, with symptoms appearing within the first few months of life. The hallmark features of the syndrome include:
- Progressive encephalopathy: This refers to the progressive deterioration of brain function, leading to severe developmental delays and intellectual disability.
- Edema: Swelling, particularly in the face and extremities, is a common feature.
- Hypsarrhythmia: A specific pattern of chaotic brain wave activity seen on an electroencephalogram (EEG), often associated with infantile spasms.
- Optic atrophy: Degeneration of the optic nerve, leading to vision impairment or blindness.
Additional symptoms may include seizures, hypotonia (reduced muscle tone), and ataxia (lack of voluntary coordination of muscle movements).
Genetics[edit]
PEHO syndrome is believed to be inherited in an autosomal recessive manner, meaning that two copies of the mutated gene, one from each parent, are required for a child to be affected. The specific genetic mutations responsible for PEHO syndrome have not been fully elucidated, but research suggests involvement of genes related to neuronal development and function.
Diagnosis[edit]
Diagnosis of PEHO syndrome is primarily clinical, based on the characteristic symptoms and neurological findings. Magnetic resonance imaging (MRI) of the brain may show specific patterns of brain atrophy and other abnormalities. Genetic testing may be used to support the diagnosis, although specific genetic markers for PEHO syndrome are not always identifiable.
Management[edit]
There is currently no cure for PEHO syndrome, and treatment is primarily supportive and symptomatic. Management strategies may include:
- Anticonvulsant medications to control seizures.
- Physical and occupational therapy to address motor skills and muscle tone.
- Vision and hearing support, including the use of assistive devices.
- Nutritional support and management of feeding difficulties.
Prognosis[edit]
The prognosis for individuals with PEHO syndrome is generally poor, with most affected children experiencing severe developmental delays and significant health challenges. Life expectancy is often reduced, with many children not surviving beyond early childhood.
