Related Experiment Video
Updated: Oct 4, 2025
11:58
Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms
Published on: August 11, 2015
15.7K
Complex Intracranial Aneurysms
Shuntaro Togashi1, Hiroaki Shimizu2
1Department of Neurosurgery, Akita University Graduate School of Medicine, Akita, Akita, Japan. togashi@med.akita-u.ac.jp.
Advances and Technical Standards in Neurosurgery
|February 2, 2022
Summary
Complex intracranial aneurysms pose treatment challenges. This chapter outlines microsurgical "Standards," "Advances," and "Controversies," focusing on bypass strategies for effective aneurysm management.
Area of Science:
- Neurosurgery
- Vascular Surgery
Background:
- Complex intracranial aneurysms are difficult to treat with standard microsurgical or endovascular methods.
- Effective treatment often necessitates combined deconstructive and reconstructive procedures, including bypass surgery.
Purpose of the Study:
- To delineate the microsurgical treatment strategies for complex intracranial aneurysms.
- To categorize current approaches into established "Standards," emerging "Advances," and unresolved "Controversies."
Main Methods:
- Review and categorization of microsurgical techniques for complex intracranial aneurysms.
- Discussion of bypass selection criteria based on vessel anatomy and occlusion site.
Main Results:
- "Standards" encompass frequently used, consensus-supported procedures.
- "Advances" include less common, complex, or debated techniques.
- "Controversies" highlight ongoing debates and unsolved issues in treatment.
Conclusions:
- Microsurgical strategies for complex intracranial aneurysms involve a spectrum of established and evolving techniques.
- Careful consideration of bypass type is crucial for successful outcomes.
- Ongoing research and debate are essential for advancing treatment paradigms.
Keywords:
Balloon test occlusionBlind-alley formationBypass surgeryComplex intracranial aneurysmFlow alterationPatent artery occlusionMore Related Videos
Related Concept Videos
01:26Aneurysm III: Interprofessional Care
45
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...
45
01:30Aneurysm I: Introduction
37
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...
37
01:21Aneurysm II: Clinical Manifestations and Diagnostic Studies
43
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...
43
01:26Arteries of the Head and Neck
1.9K
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...
1.9K
01:10The Arch of Aorta
1.1K
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...
Encircling the heart, the coronary arteries form a ring-like structure before...
1.1K
01:22Aneurysm IV: Nursing Management
33
Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...
33