Related Experiment Video
Updated: Jul 14, 2026

18:50
Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
Published on: September 25, 2009
Multiple cerebral aneurysms in patients with sickle cell disease
1Department of Medicine, University of Tennessee, Memphis 38103.
Southern Medical Journal
|April 1, 1993
Summary
Patients with sickle cell disease (SCD) have a higher risk of cerebral aneurysms, unrelated to common risk factors. This study explores the link between SCD and brain aneurysms, proposing a potential formation mechanism.
Area of Science:
- Neurology
- Hematology
- Vascular Medicine
Background:
- Sickle cell disease (SCD) is a genetic blood disorder with various complications.
- Cerebral aneurysms are abnormal bulges in brain blood vessels.
- Traditional risk factors for aneurysms include hypertension and connective tissue disorders.
Observation:
- Patients with SCD exhibit a notably high incidence of cerebral aneurysms.
- These aneurysms in SCD patients often lack the typical associated risk factors.
- Two cases of SCD patients with multiple cerebral aneurysms are presented.
Findings:
- A strong association exists between sickle cell disease and the development of cerebral aneurysms.
- The pathogenesis of aneurysms in SCD may differ from conventional causes.
- A potential mechanism linking SCD to aneurysm formation is discussed.
Implications:
- Increased awareness and screening for cerebral aneurysms in sickle cell disease patients are warranted.
- Understanding the unique mechanism could lead to targeted preventative strategies.
- Further research into vascular complications of SCD is crucial for improved patient outcomes.
More Related Videos
Related Concept Videos
Multiple Allele Traits
The Concept of Multiple Allelism
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...
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
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...
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...
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...
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...

