Related Experiment Video
Updated: Jun 16, 2026
10:34
Double Direct Injection of Blood into the Cisterna Magna as a Model of Subarachnoid Hemorrhage
Published on: August 30, 2020
[Aneurysmal subarachnoid hemorrhage - therapy and complications]
Martin A Seule1, Martin N Stienen, Dieter Cadosch
1Neurochirurgie am Kantonsspital St. Gallen. Seine Schwerpunkte sind das Neuromonitoring und zerebrovaskuläre Erkrankungen. martin.seule@kssg.ch
Summary
Managing aneurysmal subarachnoid hemorrhage (SAH) involves preventing rebleeding and stabilizing patients. Postoperative care focuses on cardiopulmonary function and managing complications like cerebral vasospasm and hydrocephalus.
Area of Science:
- Neurosurgery
- Neurology
- Critical Care Medicine
Context:
- Aneurysmal subarachnoid hemorrhage (SAH) presents significant management challenges.
- Effective patient care necessitates understanding disease pathophysiology, treatment modalities, and potential complications.
Purpose:
- To provide a comprehensive overview of the pre-, peri-, and postoperative management strategies for aneurysmal subarachnoid hemorrhage (SAH).
- To highlight key interventions for preventing rebleeding, managing acute complications, and optimizing patient outcomes.
Summary:
- Preoperative management focuses on blood pressure control, pain and anxiety management, cardiopulmonary stabilization, and immediate treatment of acute hydrocephalus.
- Therapeutic options include microsurgical clipping and endovascular coiling.
- Postoperative care emphasizes cardiopulmonary support and vigilant monitoring for neurological (cerebral vasospasm, hydrocephalus, epilepsy) and systemic complications (electrolyte disturbances, cardiac dysfunction).
Impact:
- Optimized management protocols can reduce rebleeding rates and improve patient survival and functional recovery after SAH.
- This overview serves as a guide for clinicians managing SAH patients, promoting evidence-based practice.
- Understanding and addressing potential complications is crucial for mitigating morbidity and mortality associated with SAH.
Related Concept Videos
01:26Aneurysm 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...
01:17Hemorrhagic 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...
01:29Hemorrhagic Stroke ll: Pathophysiology
A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...
01:22Aneurysm IV: Nursing Management
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...
01:22Cerebral 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...
01:21Aneurysm 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...