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← Older revision		Revision as of 01:57, 6 April 2025
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	[[File:Autosomal_recessive_inheritance.gif\|~~Autosomal~~ recessive ~~inheritance~~\|~~thumb~~]] '''EAST syndrome''' (also known as '''SeSAME syndrome''') is a rare genetic disorder characterized by a combination of [[epilepsy]], [[ataxia]], [[sensorineural hearing loss]], and [[tubulopathy]]. The acronym EAST stands for Epilepsy, Ataxia, Sensorineural deafness, and Tubulopathy. This condition is caused by mutations in the [[KCNJ10]] gene, which encodes an inwardly rectifying potassium channel.		{{SI}}
			{{Infobox medical condition
			\| name = EAST syndrome
			\| image = [[File:Autosomal_recessive_inheritance.gif\|200px]]
			\| caption = EAST syndrome is inherited in an [[autosomal recessive]] pattern.
			\| synonyms = SeSAME syndrome
			\| pronounce =
			\| specialty = [[Neurology]], [[Nephrology]]
			\| symptoms = [[Epilepsy]], [[ataxia]], [[sensorineural hearing loss]], [[tubulopathy]]
			\| onset = Childhood
			\| duration = Lifelong
			\| causes = Mutations in the ''[[KCNJ10]]'' gene
			\| risks = Family history of the condition
			\| diagnosis = [[Genetic testing]], clinical evaluation
			\| differential = Other causes of epilepsy and ataxia
			\| treatment = [[Antiepileptic drugs]], [[physical therapy]], [[hearing aids]]
			\| prognosis = Variable, depends on severity
			\| frequency = Rare
			}}
			'''EAST syndrome''' (also known as '''SeSAME syndrome''') is a rare genetic disorder characterized by a combination of [[epilepsy]], [[ataxia]], [[sensorineural hearing loss]], and [[tubulopathy]]. The acronym EAST stands for Epilepsy, Ataxia, Sensorineural deafness, and Tubulopathy. This condition is caused by mutations in the [[KCNJ10]] gene, which encodes an inwardly rectifying potassium channel.
	== Clinical Features ==		== Clinical Features ==
	Individuals with EAST syndrome typically present with the following clinical features:		Individuals with EAST syndrome typically present with the following clinical features:
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	* Sensorineural hearing loss: Hearing impairment is usually present from birth or early childhood.		* Sensorineural hearing loss: Hearing impairment is usually present from birth or early childhood.
	* Tubulopathy: This refers to a dysfunction of the renal tubules, leading to issues such as electrolyte imbalances and metabolic acidosis.		* Tubulopathy: This refers to a dysfunction of the renal tubules, leading to issues such as electrolyte imbalances and metabolic acidosis.

	== Genetics ==		== Genetics ==
	EAST syndrome is inherited in an [[autosomal recessive]] manner. Mutations in the [[KCNJ10]] gene disrupt the function of the potassium channel, which is crucial for maintaining the electrical excitability of neurons and the function of the renal tubules.		EAST syndrome is inherited in an [[autosomal recessive]] manner. Mutations in the [[KCNJ10]] gene disrupt the function of the potassium channel, which is crucial for maintaining the electrical excitability of neurons and the function of the renal tubules.

	== Diagnosis ==		== Diagnosis ==
	The diagnosis of EAST syndrome is based on clinical evaluation, family history, and genetic testing to identify mutations in the [[KCNJ10]] gene. Additional tests may include:		The diagnosis of EAST syndrome is based on clinical evaluation, family history, and genetic testing to identify mutations in the [[KCNJ10]] gene. Additional tests may include:
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	* [[Magnetic resonance imaging]] (MRI) to examine brain structure.		* [[Magnetic resonance imaging]] (MRI) to examine brain structure.
	* Blood and urine tests to detect electrolyte imbalances and renal function.		* Blood and urine tests to detect electrolyte imbalances and renal function.

	== Management ==		== Management ==
	There is no cure for EAST syndrome, and treatment is primarily supportive and symptomatic. Management strategies may include:		There is no cure for EAST syndrome, and treatment is primarily supportive and symptomatic. Management strategies may include:
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	* Hearing aids or cochlear implants for sensorineural hearing loss.		* Hearing aids or cochlear implants for sensorineural hearing loss.
	* Monitoring and treatment of renal issues, including electrolyte supplementation and dietary modifications.		* Monitoring and treatment of renal issues, including electrolyte supplementation and dietary modifications.

	== Prognosis ==		== Prognosis ==
	The prognosis for individuals with EAST syndrome varies depending on the severity of the symptoms and the effectiveness of the management strategies. Early diagnosis and intervention can improve the quality of life for affected individuals.		The prognosis for individuals with EAST syndrome varies depending on the severity of the symptoms and the effectiveness of the management strategies. Early diagnosis and intervention can improve the quality of life for affected individuals.

	== See Also ==		== See Also ==
	* [[Epilepsy]]		* [[Epilepsy]]
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	* [[Tubulopathy]]		* [[Tubulopathy]]
	* [[KCNJ10]]		* [[KCNJ10]]
			== See Also ==
	== ~~Related Pages~~ ==
	* [[Genetic disorder]]		* [[Genetic disorder]]
	* [[Autosomal recessive inheritance]]		* [[Autosomal recessive inheritance]]
	* [[Potassium channel]]		* [[Potassium channel]]

	[[Category:Genetic disorders]]		[[Category:Genetic disorders]]
	[[Category:Neurological disorders]]		[[Category:Neurological disorders]]
	[[Category:Renal diseases]]		[[Category:Renal diseases]]
	[[Category:Hearing loss]]		[[Category:Hearing loss]]

	{{Genetic-disorder-stub}}		{{Genetic-disorder-stub}}
	{{medicine-stub}}		{{medicine-stub}}

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[[File:Autosomal_recessive_inheritance.gif|Autosomal recessive inheritance|thumb]] '''EAST syndrome''' (also known as '''SeSAME syndrome''') is a rare genetic disorder characterized by a combination of [[epilepsy]], [[ataxia]], [[sensorineural hearing loss]], and [[tubulopathy]]. The acronym EAST stands for Epilepsy, Ataxia, Sensorineural deafness, and Tubulopathy. This condition is caused by mutations in the [[KCNJ10]] gene, which encodes an inwardly rectifying potassium channel.

== Clinical Features ==
Individuals with EAST syndrome typically present with the following clinical features:
* **Epilepsy**: Seizures are a common manifestation and can vary in type and severity.
* **Ataxia**: Patients often exhibit difficulties with coordination and balance.
* **Sensorineural hearing loss**: Hearing impairment is usually present from birth or early childhood.
* **Tubulopathy**: This refers to a dysfunction of the renal tubules, leading to issues such as electrolyte imbalances and metabolic acidosis.

== Genetics ==
EAST syndrome is inherited in an [[autosomal recessive]] manner. Mutations in the [[KCNJ10]] gene disrupt the function of the potassium channel, which is crucial for maintaining the electrical excitability of neurons and the function of the renal tubules.

== Diagnosis ==
The diagnosis of EAST syndrome is based on clinical evaluation, family history, and genetic testing to identify mutations in the [[KCNJ10]] gene. Additional tests may include:
* [[Electroencephalogram]] (EEG) to assess seizure activity.
* [[Audiometry]] to evaluate hearing loss.
* [[Magnetic resonance imaging]] (MRI) to examine brain structure.
* Blood and urine tests to detect electrolyte imbalances and renal function.

== Management ==
There is no cure for EAST syndrome, and treatment is primarily supportive and symptomatic. Management strategies may include:
* [[Antiepileptic drugs]] to control seizures.
* Physical therapy and occupational therapy to address ataxia and improve motor skills.
* Hearing aids or cochlear implants for sensorineural hearing loss.
* Monitoring and treatment of renal issues, including electrolyte supplementation and dietary modifications.

== Prognosis ==
The prognosis for individuals with EAST syndrome varies depending on the severity of the symptoms and the effectiveness of the management strategies. Early diagnosis and intervention can improve the quality of life for affected individuals.

== See Also ==
* [[Epilepsy]]
* [[Ataxia]]
* [[Sensorineural hearing loss]]
* [[Tubulopathy]]
* [[KCNJ10]]

== Related Pages ==
* [[Genetic disorder]]
* [[Autosomal recessive inheritance]]
* [[Potassium channel]]

[[Category:Genetic disorders]]
[[Category:Neurological disorders]]
[[Category:Renal diseases]]
[[Category:Hearing loss]]

{{Genetic-disorder-stub}}
{{medicine-stub}}

EAST syndrome - Revision history

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