Diaper changing-induced reflex seizures in CDKL5-related epilepsy

Roberta Solazzi1, Elena Fiorini1, Elena Parrini2

  • 1Child Neuropsychiatry, Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, University of Verona.

Insights

Diaper changing can trigger reflex seizures in children with CDKL5 gene mutations, a rare cause of early-onset epilepsy. This study documents this unusual seizure reflex in a CDKL5-related epilepsy case.

Area of Science:

  • Genetics and Neurology
  • Epilepsy Research
  • Pediatric Neurology

Background:

  • Cyclin-dependent kinase-like-5 (CDKL5) gene mutations are linked to severe early-onset epilepsy and cognitive impairment.
  • Reflex seizures, triggered by specific stimuli, are documented, with diaper changing being an exceptionally rare trigger.
  • Previous reports of diaper changing-induced seizures include focal, unclassified epilepsies, and Dravet syndrome.

Purpose of the Study:

  • To document diaper changing-induced reflex seizures as a presenting feature in CDKL5-related epilepsy.
  • To provide video-electroencephalogram (EEG) evidence of this rare reflex seizure type.
  • To discuss the underlying neuronal hyperexcitability associated with CDKL5 gene mutations.

Main Methods:

  • Case study of a patient with CDKL5-related epilepsy.
  • Video-electroencephalogram (EEG) recording during a diaper changing event.
  • Clinical observation and analysis of seizure characteristics.

Main Results:

  • Diaper changing was identified as a specific trigger for reflex seizures in the described case.
  • Video-EEG confirmed the epileptic nature of the events induced by diaper changing.
  • The findings highlight a rare but distinct reflex seizure pattern in CDKL5 epilepsy.

Conclusions:

  • Diaper changing-induced reflex seizures can be a presenting feature of CDKL5-related epilepsy.
  • This case underscores the diverse clinical manifestations and potential triggers in CDKL5 encephalopathy.
  • Understanding these specific triggers is crucial for managing hyperexcitability in CDKL5-related epilepsies.

Related Concept Videos

Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
1.3K
Reflex Activity01:08

Reflex Activity

A reflex activity is an automatic, involuntary response to specific stimuli. It is a part of our survival mechanism, designed to protect us from potential harm. For example, when a bright light suddenly shines into our eyes, we instinctively close them or look away. This is a simple reflex activity orchestrated by the nervous system without conscious thought or effort.
A reflex exam is a diagnostic procedure performed by a healthcare professional to evaluate the functionality of a patient's...
3.2K
The Micturition Reflex01:26

The Micturition Reflex

Urination, or micturition involves the coordination of the bladder's detrusor muscle and two sphincters to ensure controlled bladder emptying.
The process begins with bladder filling, where the bladder wall stretches as urine accumulates. This stretching activates the urine storage reflex, mediated by the sacral spinal segments and the pontine storage center. Efferent sympathetic impulses stimulate the detrusor muscle to relax and the internal urethral sphincter to contract, facilitating...
2.7K
Somatic Spinal Reflexes01:22

Somatic Spinal Reflexes

Somatic spinal reflexes are rapid, involuntary muscular responses to external stimuli that involve the somatic musculature and the spinal cord.
One of the most well-known somatic spinal reflexes is the stretch reflex, which is activated by the sudden stretching of a muscle. This reflex involves the activation of specialized sensory receptors called muscle spindles, which are located in the muscle tissue and detect changes in the length and speed of muscle contractions. When a muscle is suddenly...
5.3K
Seizures: Classification01:13

Seizures: Classification

Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
1.6K
Global Climate Change01:50

Global Climate Change

Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
28.9K