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[Sudden death in Rett syndrome].
Takashi Ohya1, Yushiro Yamashita, Toyojiro Matsuishi
1Department of Pediatrics and Child Health, Kurume University School of Medicine.
Nihon Rinsho. Japanese Journal of Clinical Medicine
|July 9, 2005
Summary
Sudden unexpected death occurs in 26% of girls with Rett syndrome, a neurodevelopmental disorder. Cardiac issues and seizures may be linked, warranting cardiac monitoring in older patients.
Area of Science:
- Neurology
- Genetics
- Pediatrics
Context:
- Rett syndrome is a rare neurodevelopmental disorder primarily affecting girls.
- Characterized by developmental regression after an initial period of normal growth.
- Significant mortality rates, with sudden unexpected death being a concern.
Purpose:
- To highlight the risk of sudden unexpected death in Rett syndrome.
- To identify potential contributing factors to sudden death.
- To recommend specific medical evaluations for patients.
Summary:
- Rett syndrome involves psychomotor deceleration and loss of skills after 6-18 months of normal development.
- A previous study indicated 26% of deaths in Rett syndrome were sudden and unexpected.
- Potential causes include respiratory issues, cardiac arrhythmias, and severe seizures.
- Electrocardiogram (ECG) screening is advised for older patients due to QTc prolongation and T wave abnormalities.
Impact:
- Informing families of Rett syndrome patients about sudden death risks is crucial.
- Regular cardiac monitoring, including ECGs, can help manage risks in older individuals.
- Early identification of cardiac abnormalities may improve patient outcomes and potentially reduce mortality.