Related Experiment Video

Updated: May 10, 2026

Multi-system Monitoring for Identification of Seizures, Arrhythmias and Apnea in Conscious Restrained Rabbits
10:25

Multi-system Monitoring for Identification of Seizures, Arrhythmias and Apnea in Conscious Restrained Rabbits

Published on: March 27, 2021

Cardiopulmonary complications during pediatric seizures: a prelude to understanding SUDEP

Kanwaljit Singh1, Eliot S Katz, Marcin Zarowski

  • 1Division of Clinical Neurophysiology, Department of Neurology, Harvard Medical School, Children's Hospital, Boston, Massachusetts 02115, USA.

Epilepsia
|June 5, 2013
PubMed

Insights

Pediatric epileptic seizures can cause dangerous cardiopulmonary events like bradycardia and apnea. These events are linked to specific seizure types, longer seizure duration, and certain patient factors, offering insights into Sudden Unexpected Death in Epilepsy (SUDEP).

Area of Science:

  • Pediatric Neurology
  • Epileptology
  • Cardiorespiratory Medicine

Background:

  • Sudden Unexpected Death in Epilepsy (SUDEP) is a significant, unexplained cause of mortality in epilepsy patients.
  • The role of cardiopulmonary abnormalities in the pathophysiology of SUDEP, particularly in the pediatric population, remains unclear.

Purpose of the Study:

  • To assess cardiopulmonary abnormalities during epileptic seizures in children.
  • To identify potential mechanisms contributing to SUDEP in pediatric epilepsy.

Main Methods:

  • Prospective recording of cardiopulmonary functions using pulse-oximetry, electrocardiography (ECG), and respiratory inductance plethysmography (RIP).
  • Logistic regression analysis to determine associations between cardiorespiratory findings, seizure characteristics, and demographics.

Main Results:

  • 101 seizures in 26 children were analyzed; central apnea was linked to younger age, temporal lobe seizures, longer duration, desaturation, and bradycardia.
  • Bradycardia correlated with male gender, longer seizures, desaturation, and increased antiepileptic drug (AED) use.
  • Desaturation was associated with longer seizures, ictal apnea, ictal bradycardia, and higher AED counts.

Conclusions:

  • Potentially life-threatening cardiopulmonary abnormalities, including bradycardia, apnea, and hypoxemia, occur during pediatric epileptic seizures.
  • These events are associated with predictable patient and seizure characteristics, such as seizure subtype and duration.
  • Findings provide insights into SUDEP mechanisms and may inform risk stratification and monitoring strategies.
Abstract

More Related Videos

Implantation of Electroencephalogram and Electrocardiogram Telemetry Devices in Neonatal Rabbit Kits06:46

Implantation of Electroencephalogram and Electrocardiogram Telemetry Devices in Neonatal Rabbit Kits

Published on: February 28, 2025

Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy09:57

Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy

Published on: September 20, 2024

Related Concept Videos

Seizures l: Introduction01:20

Seizures l: Introduction

Understanding seizures and epilepsy relies on key definitions that help in recognizing, classifying, and managing these disorders. These definitions provide a framework for recognizing, classifying, and managing seizure disorders.DefinitionsA seizure is a sudden, abnormal burst of electrical activity in the brain that can cause changes in awareness, movement, sensation, or behavior, depending on the area involved. Epilepsy is a chronic condition characterized by recurrent, unprovoked seizures,...
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...
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:
Epilepsy ll: Types01:22

Epilepsy ll: Types

Recurrent seizures, stemming from abnormal electrical activity in the brain, are the defining characteristic of epilepsy, a chronic neurological condition. Because seizure features vary greatly, epilepsy is classified using two systems: by seizure type and by epilepsy syndromes. These classifications enable clinicians to describe seizure patterns and select suitable treatment strategies.I. Classification by Seizure Type1. Focal EpilepsyFocal epilepsy begins in one hemisphere of the brain.
Pulmonary Embolism I: Introduction01:29

Pulmonary Embolism I: Introduction

Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
Pulmonary Embolism I: Introduction01:19

Pulmonary Embolism I: Introduction

A blood clot, or thrombus, is a semi-solid mass composed of fibrin, platelets, and red blood cells. When it forms within a vessel, it can obstruct blood flow, known as thrombosis. If part of the clot detaches, it becomes an embolus that can travel and block distant vessels. When this occurs in the pulmonary arteries, it causes a condition known as pulmonary embolism (PE).Origin and ImpactMost often, the embolus originates from a thrombus in the deep veins of the lower limbs, a condition called...