Measures of ventricles and evans' index: from neonate to adolescent

Erkan Sarı1, Sebahattin Sarı, Veysel Akgün

  • 1Department of Pediatrics, Gülhane Military Medical Academy, Ankara, Turkey.

Pediatric Neurosurgery
|January 24, 2015
PubMed

Insights

This study provides normative ventricle size data for children aged 0-18 years. These findings aid in the early diagnosis of hydrocephalus and monitoring ventriculostomy outcomes.

Area of Science:

  • Pediatric Radiology
  • Neuroimaging
  • Cranial Anatomy

Background:

  • Ventricle size is crucial for diagnosing hydrocephalus and managing ventriculostomy.
  • Ventricle dimensions can change significantly during childhood.
  • Establishing normative data is essential for accurate clinical assessment.

Purpose of the Study:

  • To establish normative data for ventricle diameters in Turkish children aged 0-18 years.
  • To provide reference values for clinical use in pediatric neuroimaging.
  • To support the early diagnosis and management of conditions like hydrocephalus.

Main Methods:

  • Retrospective analysis of 517 cranial MRI scans from children aged 0-18 years.
  • Standardized measurement protocols were used by trained radiologists.
  • Interobserver variation was assessed and confirmed to be minimal.

Main Results:

  • Normative data for third ventricle width and Evans' index were established.
  • The third ventricle to basilar artery width ratio was consistently between 1 and 2.
  • A decrease in the ventricle volume to cerebral parenchyma ratio with age was observed.

Conclusions:

  • The study provides valuable normative ventricle size data for pediatric populations.
  • These data can assist clinicians in the early diagnosis of hydrocephalus.
  • Findings support the use of these measurements in routine clinical practice for children.

Related Concept Videos

Anatomy of the Brain: Ventricles01:18

Anatomy of the Brain: Ventricles

There are hollow fluid-filled cavities known as ventricles deep inside the human brain. There are two lateral ventricles, one in each cerebral hemisphere, and each has three different projections — the anterior, inferior, and posterior horns visible from the lateral side. A thin membrane called the septum pellucidum separates the two lateral ventricles. The slender third ventricle in the diencephalon is connected to each lateral ventricle via a channel called the interventricular foramen.
11.9K
Cardiac Output and Stroke Volume01:11

Cardiac Output and Stroke Volume

Cardiac output (CO) is an integral aspect of human physiology, reflecting the heart's efficiency and responsiveness to the body's needs. It represents the volume of blood that the left or right ventricle ejects into the aorta or pulmonary trunk each minute. The CO is calculated by multiplying the heart rate (HR)—the number of heartbeats per minute—by the stroke volume (SV)—the amount of blood pumped out with each heartbeat.
In an average resting adult male, the typical cardiac...
7.6K
Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
894
Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
941