Related Experiment Video

Updated: Jun 27, 2026

Non-invasive Optical Measurement of Cerebral Metabolism and Hemodynamics in Infants
11:39

Non-invasive Optical Measurement of Cerebral Metabolism and Hemodynamics in Infants

Published on: March 14, 2013

Brain water content in sudden unexpected infant death

Johanna Marie Lundesgaard Eidahl1,2, Torleiv Ole Rognum3, Arne Stray-Pedersen4,3

  • 1Division of Laboratory Medicine, Department of Forensic Sciences, Oslo University Hospital, Oslo, Norway. joheid@ous-hf.no.

Forensic Science, Medicine, and Pathology
|February 3, 2023
PubMed
Summary

Brain water content and brain weight decrease with age in infants. However, brain weight relative to head circumference increases, potentially indicating brain edema in infants. This study explores infant brain development and its relation to sudden infant death syndrome.

Keywords:
Aquaporin-4Brain edemaBrain water contentSIDSSudden infant death syndrome

More Related Videos

How to Administer Near-Infrared Spectroscopy in Critically ill Neonates, Infants, and Children07:27

How to Administer Near-Infrared Spectroscopy in Critically ill Neonates, Infants, and Children

Published on: August 19, 2020

A Piglet Perinatal Asphyxia Model to Study Cardiac Injury and Hemodynamics after Cardiac Arrest, Resuscitation, and the Return of Spontaneous Circulation10:55

A Piglet Perinatal Asphyxia Model to Study Cardiac Injury and Hemodynamics after Cardiac Arrest, Resuscitation, and the Return of Spontaneous Circulation

Published on: January 13, 2023

Related Concept Videos

Cerebrospinal Fluid01:21

Cerebrospinal Fluid

Cerebrospinal fluid (CSF) is a colorless liquid that flows around the brain and the spinal cord, playing a vital role in the protection, support, and overall function of the central nervous system (CNS). CSF production, circulation, and absorption are tightly regulated processes essential for the brain and spinal cord to function properly.
CSF Production
CSF is produced mainly in the choroid plexus, a network of capillaries and ependymal cells located within the ventricular system of the brain.
Body Water Content and Fluid Compartments01:19

Body Water Content and Fluid Compartments

Life's biochemical processes occur within aqueous solutions. Solutes are substances that are dissolved within these solutions. The human body contains a variety of solutes, which can differ across various body parts. These can encompass proteins—such as those responsible for clotting and carbohydrate transport—as well as electrolytes. In medicine, an electrolyte is often described as a mineral ion derived from a salt possessing an electric charge. Examples include sodium ions (Na+) and chloride...
Cerebral Edema l: Introduction01:19

Cerebral Edema l: Introduction

Cerebral edema is a pathological increase in brain water content that disrupts intracranial pressure regulation and impairs neurological function. Because the cranial vault is rigid, even modest increases in tissue volume can compromise cerebral perfusion, distort neural structures, and initiate secondary injury. Cerebral edema develops through four principal mechanisms: vasogenic, cytotoxic, interstitial, and ionic.Vasogenic EdemaVasogenic edema arises from disruption of the blood–brain...
Cerebral Edema ll: Pathophysiology01:22

Cerebral Edema ll: Pathophysiology

Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this barrier loses...