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Kifafa seizure disorder

MedGen UID:
208655
Concept ID:
C0796010
Disease or Syndrome
Synonyms: Complex familial seizure disorder; Parkinsonian features and neurologic abnormalities, mental retardation and transient psychotic episodes; Vitsala
 
Monarch Initiative: MONDO:0009497
OMIM®: 245180

Definition

A convulsive seizure disorder observed in an isolated tribe in the interior of Tanzania. It is a chronic degenerative disorder of the central nervous system associated with seizures and other neurological complications, characteristic facies, psychomotor retardation, and pachyderma. Kifafa is a Swahili word meaning ""being half-dead and rigid."" [from MCA/MR]

Clinical features

From HPO
Seizure
MedGen UID:
20693
Concept ID:
C0036572
Sign or Symptom
A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.
Intellectual disability
MedGen UID:
811461
Concept ID:
C3714756
Mental or Behavioral Dysfunction
Intellectual disability, previously referred to as mental retardation, is characterized by subnormal intellectual functioning that occurs during the developmental period. It is defined by an IQ score below 70.
Transient psychotic episodes
MedGen UID:
870511
Concept ID:
C4024958
Mental or Behavioral Dysfunction
Relatively short-lived periods of psychosis are characterized by the sudden onset of severe disturbances in perception, thinking, and behavior. These episodes typically last for a brief duration, generally ranging from a few days to a few weeks, and are often triggered by a significant stressor or traumatic event.

Recent clinical studies

Etiology

Neuman RJ, Kwon JM, Jilek-Aall L, Rwiza HT, Rice JP, Goodfellow PJ
Am J Hum Genet 1995 Oct;57(4):902-10. PMID: 7573052Free PMC Article
Snow RW, Williams RE, Rogers JE, Mung'ala VO, Peshu N
Trop Geogr Med 1994;46(3):175-9. PMID: 7941011

Diagnosis

van Bemmel K, van der Weegen K
Anthropol Med 2019 Aug;26(2):177-196. Epub 2017 Oct 30 doi: 10.1080/13648470.2017.1361652. PMID: 29081237
Jilek-Aall L, Rwiza HT
Epilepsia 1992 Jul-Aug;33(4):645-50. doi: 10.1111/j.1528-1157.1992.tb02341.x. PMID: 1628578

Therapy

Jilek-Aall L, Rwiza HT
Epilepsia 1992 Jul-Aug;33(4):645-50. doi: 10.1111/j.1528-1157.1992.tb02341.x. PMID: 1628578

Prognosis

Jilek-Aall L, Rwiza HT
Epilepsia 1992 Jul-Aug;33(4):645-50. doi: 10.1111/j.1528-1157.1992.tb02341.x. PMID: 1628578

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