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Related Concept Videos

Aneurysm I: Introduction01:30

Aneurysm I: Introduction

An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
The Arch of Aorta01:10

The Arch of Aorta

The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...
Hemorrhagic Stroke l: Introduction01:17

Hemorrhagic Stroke l: Introduction

A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...
Arteries of the Head and Neck01:26

Arteries of the Head and Neck

The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...

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Related Experiment Video

Updated: May 21, 2026

Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
18:50

Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment

Published on: September 25, 2009

Gender differences in cerebral aneurysm location.

Ali J Ghods1, Demetrius Lopes, Michael Chen

  • 1Department of Neurosurgery, Rush University Medical Center Chicago, IL, USA.

Frontiers in Neurology
|June 5, 2012
PubMed
Summary
This summary is machine-generated.

Cerebral aneurysm locations show significant gender differences, with women more frequently developing internal carotid artery (ICA) aneurysms and men developing anterior cerebral artery (ACA) aneurysms. These findings may be linked to hormonal and hemodynamic factors.

Keywords:
aneurysmcomputed fluid dynamicsendovascularsubarachnoid hemorrhagewall shear stress

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Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms
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Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms

Published on: August 11, 2015

Related Experiment Videos

Last Updated: May 21, 2026

Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
18:50

Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment

Published on: September 25, 2009

Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms
11:58

Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms

Published on: August 11, 2015

Area of Science:

  • Neurology
  • Vascular Surgery
  • Radiology

Background:

  • Subarachnoid hemorrhage (SAH) is more prevalent in women than men, with hormonal influences and wall shear stress implicated.
  • Previous studies on aneurysm distribution predominantly focused on ruptured cases.

Purpose of the Study:

  • To investigate gender-based discrepancies in the anatomical distribution of intracranial aneurysms.
  • To analyze a cohort of both ruptured and unruptured intracranial aneurysms.

Main Methods:

  • Retrospective review of consecutive patients undergoing endovascular treatment for saccular cerebral aneurysms.
  • Analysis of aneurysm location, patient demographics, and rupture status.

Main Results:

  • A total of 682 aneurysms were treated; 72% of patients were women.
  • Women predominantly had internal carotid artery (ICA) aneurysms (54%), while men had anterior cerebral artery (ACA) aneurysms (29%).
  • Females presented later in life, with more multiple aneurysms and higher rates of SAH, particularly at the ICA.

Conclusions:

  • Significant gender-based differences exist in cerebral aneurysm anatomical distribution, especially at the ICA and ACA.
  • Hormonal and hemodynamic factors are plausible explanations for these observed gender disparities.
  • Understanding these differences is crucial for managing incidentally discovered aneurysms.