Related Experiment Video

Updated: Mar 17, 2026

Adult Mouse Venous Hypertension Model: Common Carotid Artery to External Jugular Vein Anastomosis.
08:27

Adult Mouse Venous Hypertension Model: Common Carotid Artery to External Jugular Vein Anastomosis.

Published on: January 27, 2015

14.8K

Contralateral Hypoplastic Venous Draining Sinuses Are Associated with Elevated Intracranial Pressure in Unilateral

R Farias-Moeller1, R Avery1,2, Y Diab3

  • 1From the Divisions of Child Neurology (R.F.-M., R.A., J.C.).

AJNR. American Journal of Neuroradiology
|July 30, 2016
PubMed

Insights

In pediatric cerebral sinovenous thrombosis, a smaller opposite venous sinus increases the risk of elevated intracranial pressure. This finding highlights potential complications in children with unilateral cerebral sinovenous thrombosis and hypoplastic sinuses.

Area of Science:

  • Neurology
  • Pediatric Radiology
  • Vascular Anatomy

Background:

  • Cerebral venous development variations impact drainage regulation.
  • These variations are linked to elevated intracranial pressure in cerebral sinovenous thrombosis.
  • Unilateral cerebral sinovenous thrombosis presents unique challenges in pressure management.

Purpose of the Study:

  • To investigate the association between contralateral venous sinus size and elevated intracranial pressure in pediatric patients with unilateral cerebral sinovenous thrombosis.
  • To determine if hypoplastic contralateral venous sinuses increase the risk of elevated intracranial pressure.

Main Methods:

  • Retrospective review of pediatric patients diagnosed with unilateral cerebral sinovenous thrombosis.
  • Analysis of institutional radiology database for case identification.
  • Comparison of elevated intracranial pressure occurrence in patients with and without hypoplastic contralateral venous sinuses.

Main Results:

  • Twelve cases of unilateral cerebral sinovenous thrombosis met inclusion criteria.
  • Six patients (50%) had hypoplastic contralateral venous sinuses.
  • Elevated intracranial pressure occurred in 83% of patients with hypoplastic sinuses versus 0% without (P = .015).

Conclusions:

  • Hypoplastic contralateral venous sinuses in pediatric unilateral cerebral sinovenous thrombosis are associated with a significantly higher risk of elevated intracranial pressure.
  • Patients with cerebral sinovenous thrombosis and contralateral venous sinus hypoplasia may require closer monitoring and potentially ophthalmologic screening.
  • Understanding venous anatomy variations is crucial for managing intracranial pressure in pediatric cerebral sinovenous thrombosis.

More Related Videos

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas07:43

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas

Published on: January 17, 2018

20.0K

Related Concept Videos

Veins of Head and Neck01:19

Veins of Head and Neck

The blood drainage from the head and neck is primarily managed by three pairs of veins: the external jugular, internal jugular, and vertebral veins. The external jugular veins drain superficial scalp and face structures, passing over the sternocleidomastoid muscles to empty into the subclavian veins.
On the other hand, the vertebral veins, unlike their arterial counterparts, are not primarily responsible for brain drainage. Instead, they drain the cervical vertebrae, spinal cord, and some small...
6.6K
Overview of Systemic Veins01:11

Overview of Systemic Veins

Systemic veins are crucial blood vessels that return deoxygenated blood from various body tissues back to the heart. There are three systemic veins that return deoxygenated blood to the heart, they are as follows.
The coronary sinus, the heart's principal vein, resides in the coronary sulcus on the heart's posterior aspect. This broad venous channel receives nearly all venous blood from the myocardium, the heart muscle. It is fed by three primary veins: the great cardiac vein, the...
1.6K
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
422
Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
634
Veins of Thorax01:19

Veins of Thorax

The azygos system is a crucial part of the body's circulatory system and drains most of the thorax. It comprises the azygos, hemiazygos, and accessory hemiazygos veins.
The azygos vein, positioned just right of the midline and anterior to the vertebral column, begins at the junction of the right ascending lumbar and subcostal veins, terminating in the superior vena cava. This vein drains blood from the right side of the thoracic wall, thoracic viscera, and posterior abdominal wall.
The...
2.4K
Veins of the Abdomen and Pelvis01:18

Veins of the Abdomen and Pelvis

The human body is a complex system of interconnected parts, and the circulatory system plays a crucial role in maintaining overall health. One key component of this system is the inferior vena cava, a large vein responsible for returning blood from the abdominopelvic viscera and abdominal walls to the heart.
The inferior vena cava is fed by numerous smaller veins. The lumbar veins, for instance, drain the posterior abdominal wall, emptying both directly into the inferior vena cava and into the...
2.0K