Predictors of seizure onset in Rett syndrome

Jian L., Nagarajan L., de Klerk N., Ravine D., Bower C., Anderson A., Williamson S., Christodoulou J. and Leonard H. (2006) Predictors of seizure onset in Rett syndrome. Journal of Pediatrics, 149 4: 542-547. doi:10.1016/j.jpeds.2006.06.015


Author Jian L.
Nagarajan L.
de Klerk N.
Ravine D.
Bower C.
Anderson A.
Williamson S.
Christodoulou J.
Leonard H.
Title Predictors of seizure onset in Rett syndrome
Journal name Journal of Pediatrics   Check publisher's open access policy
ISSN 0022-3476
Publication date 2006
Sub-type Article (original research)
DOI 10.1016/j.jpeds.2006.06.015
Volume 149
Issue 4
Start page 542
End page 547
Total pages 1
Language eng
Subject 2735 Pediatrics, Perinatology, and Child Health
Abstract Objectives: To investigate risk factors for seizure onset in Rett syndrome. Study design: Information on presence and age at onset of seizures, perinatal and developmental history, and genetic status was abstracted on 275 cases in the Australian Rett Syndrome Database. Cox and Weibull regression were used to investigate and provide a model for predicting the effects of genetic and developmental factors on age at seizure onset. Results: Seizures were reported in 81% of 275 cases; the median age of onset was 48 months. Not having gained the ability to walk (P = .003) and developmental problems in the first 10 months of age (P = .04) were associated with an almost 2-fold increased risk of seizures. Cases without a detectable MECP2 mutation had a higher risk of seizure onset up to 4 years of age (P < .001) but a lower risk after 4 years (P = .08). Conclusions: Seizure onset in Rett syndrome is associated with early developmental factors and with genotype. Information on these factors can be used to predict age at seizure onset after diagnosis.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
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