Absence status associated with focal activity and polydipsia-induced hyponatremia

Hideki Azuma, Tatsuo Akechi, Toshi A FurukawaDepartment of Psychiatry and Cognitive-Behavioral Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, JapanAbstract: We report a case of de novo absence status associated with focal discharge and polydipsia-induced hyponatremia....

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Autores principales:	Hideki Azuma, Tatsuo Akechi, Toshi A Furukawa
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2008
Materias:	Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429
Acceso en línea:	https://doaj.org/article/c1452750486c4afc91eb332c627d54b0
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spelling	oai:doaj.org-article:c1452750486c4afc91eb332c627d54b02021-12-02T02:11:27ZAbsence status associated with focal activity and polydipsia-induced hyponatremia1176-63281178-2021https://doaj.org/article/c1452750486c4afc91eb332c627d54b02008-04-01T00:00:00Zhttp://www.dovepress.com/absence-status-associated-with-focal-activity-and-polydipsia-induced-h-a1024https://doaj.org/toc/1176-6328https://doaj.org/toc/1178-2021Hideki Azuma, Tatsuo Akechi, Toshi A FurukawaDepartment of Psychiatry and Cognitive-Behavioral Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, JapanAbstract: We report a case of de novo absence status associated with focal discharge and polydipsia-induced hyponatremia. Nonconvulsive status epilepticus (NCSE) is classified as absence status or complex partial status. Absence status is characterized by bilateral synchronized spike and wave complex bursts and a variety of conscious disturbances. Possible precipitating factors for NCSE include benzodiazepine withdrawal, excessive use of psychotropic drugs, and electrolyte imbalances. Hyponatremia is a rare precipitating factor. In this case, the patient was 59 years old and had suffered from primary insomnia but had no history of epilepsy. NCSE improved by means of saline infusion. However after recovery from NCSE EEG revealed some spikes in the left frontal area. Absence seizures can also show generalized spike and slow waves, and cases of focal lesion-associated absence seizures have been reported. Although absence seizures and absence status are two distinct conditions, they should not be considered together. We assumed that hyponatremia induced by polydipsia precipitated epileptogenicity in the left frontal area, and then focal activity secondarily generalized and resulted in absence status.Keywords: nonconvulsive status epilepticus, absence status, focal activity, hyponatremia Hideki AzumaTatsuo AkechiToshi A FurukawaDove Medical PressarticleNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571Neurology. Diseases of the nervous systemRC346-429ENNeuropsychiatric Disease and Treatment, Vol 2008, Iss Issue 2, Pp 495-498 (2008)
institution	DOAJ
collection	DOAJ
language	EN
topic	Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429
spellingShingle	Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429 Hideki Azuma Tatsuo Akechi Toshi A Furukawa Absence status associated with focal activity and polydipsia-induced hyponatremia
description	Hideki Azuma, Tatsuo Akechi, Toshi A FurukawaDepartment of Psychiatry and Cognitive-Behavioral Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, JapanAbstract: We report a case of de novo absence status associated with focal discharge and polydipsia-induced hyponatremia. Nonconvulsive status epilepticus (NCSE) is classified as absence status or complex partial status. Absence status is characterized by bilateral synchronized spike and wave complex bursts and a variety of conscious disturbances. Possible precipitating factors for NCSE include benzodiazepine withdrawal, excessive use of psychotropic drugs, and electrolyte imbalances. Hyponatremia is a rare precipitating factor. In this case, the patient was 59 years old and had suffered from primary insomnia but had no history of epilepsy. NCSE improved by means of saline infusion. However after recovery from NCSE EEG revealed some spikes in the left frontal area. Absence seizures can also show generalized spike and slow waves, and cases of focal lesion-associated absence seizures have been reported. Although absence seizures and absence status are two distinct conditions, they should not be considered together. We assumed that hyponatremia induced by polydipsia precipitated epileptogenicity in the left frontal area, and then focal activity secondarily generalized and resulted in absence status.Keywords: nonconvulsive status epilepticus, absence status, focal activity, hyponatremia
format	article
author	Hideki Azuma Tatsuo Akechi Toshi A Furukawa
author_facet	Hideki Azuma Tatsuo Akechi Toshi A Furukawa
author_sort	Hideki Azuma
title	Absence status associated with focal activity and polydipsia-induced hyponatremia
title_short	Absence status associated with focal activity and polydipsia-induced hyponatremia
title_full	Absence status associated with focal activity and polydipsia-induced hyponatremia
title_fullStr	Absence status associated with focal activity and polydipsia-induced hyponatremia
title_full_unstemmed	Absence status associated with focal activity and polydipsia-induced hyponatremia
title_sort	absence status associated with focal activity and polydipsia-induced hyponatremia
publisher	Dove Medical Press
publishDate	2008
url	https://doaj.org/article/c1452750486c4afc91eb332c627d54b0
work_keys_str_mv	AT hidekiazuma absencestatusassociatedwithfocalactivityandpolydipsiainducedhyponatremia AT tatsuoakechi absencestatusassociatedwithfocalactivityandpolydipsiainducedhyponatremia AT toshiafurukawa absencestatusassociatedwithfocalactivityandpolydipsiainducedhyponatremia
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Absence status associated with focal activity and polydipsia-induced hyponatremia

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