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Related Concept Videos

Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

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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...
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Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

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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...
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Aneurysm I: Introduction01:30

Aneurysm I: Introduction

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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...
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  11. Concomitant Subarachnoid Hemorrhage And Ischemic Stroke Associated With Ruptured Aneurysms: Case Reports

Concomitant Subarachnoid Hemorrhage and Ischemic Stroke Associated With Ruptured Aneurysms: Case Reports

Patrice Finet1, Michel Bojanowski2

  • 1Neurosurgery, UCLouvain, Bruxelles, BEL.

Cureus
|July 14, 2025

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Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model
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Endovascular Perforation Model for Subarachnoid Hemorrhage Combined with Magnetic Resonance Imaging MRI
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View abstract on PubMed

Summary
This summary is machine-generated.

Simultaneous aneurysmal rupture and acute ischemic stroke (IS) are reported for the first time. Two proposed mechanisms involve clot formation or mobilization from the aneurysm causing vessel occlusion and subsequent IS.

Area of Science:

  • Neurology
  • Vascular Surgery
  • Neurosurgery

Background:

  • Aneurysmal subarachnoid hemorrhage (aSAH) and acute ischemic stroke (IS) are distinct neurological emergencies.
  • The simultaneous occurrence of aSAH and IS, unrelated to vasospasm, has not been previously documented.

Observation:

  • This report details three unique cases presenting with concurrent aSAH and acute IS.
  • The ischemic stroke involved vessel occlusion distal to the ruptured aneurysm.

Findings:

  • Two potential mechanisms are proposed for this dual pathology.
  • Mechanism 1: A clot originating from the aneurysm causes distal vessel occlusion, increasing intra-aneurysmal pressure and leading to rupture.
  • Mechanism 2: Rupture of a partially thrombosed aneurysm releases a clot, causing distal vessel occlusion and IS.
Keywords:
aneurysmischemic lesionsrupturestroke

Related Experiment Videos

Double Direct Injection of Blood into the Cisterna Magna as a Model of Subarachnoid Hemorrhage
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Implications:

  • These findings may elucidate the complex pathophysiology linking aneurysmal rupture and ischemic stroke.
  • Recognizing these mechanisms is crucial for accurate diagnosis and potentially novel therapeutic strategies.
  • Further research into these concurrent events could advance understanding of cerebrovascular disease.
subarachnoid hemorrhage