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Related Concept Videos

The Arch of Aorta01:10

The Arch of Aorta

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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...
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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

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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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Anastomoses01:19

Anastomoses

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In human anatomy, anastomosis refers to a connection or opening between two things, particularly between blood vessels or other tubular structures. The term is derived from the Greek term 'anastomosis,' which means 'outlet' or 'opening.' This natural network of connections plays a critical role in the survival and functionality of the human body.
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Related Experiment Video

Updated: Jul 23, 2025

Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
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Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment

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Sequential rupture of two concomitant cerebral aneurysms.

Joseph Yoon1, Ryan Goh1, Craig Winter1

  • 1Kenneth Jamieson Department of Neurosurgery, Royal Brisbane and Women's Hospital, Brisbane, Australia.

British Journal of Neurosurgery
|July 12, 2023
PubMed
Summary

A rare case of sequential aneurysmal subarachnoid hemorrhage (SAH) occurred in a young woman. She experienced a second SAH from a different cerebral aneurysm 16 days after the first, highlighting this uncommon phenomenon.

Keywords:
Cerebral aneurysmSubarachnoid haemorrhagesequential rupture

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Area of Science:

  • Neurology
  • Neurosurgery
  • Vascular Neurology

Background:

  • Multiple cerebral aneurysms are frequently diagnosed in patients with subarachnoid hemorrhage (SAH).
  • Rupture of a second aneurysm during recovery from an initial bleed is exceptionally rare.

Purpose of the Study:

  • To report a rare case of sequential aneurysmal subarachnoid hemorrhage.
  • To contribute to the limited literature on simultaneous and sequential SAH.

Main Methods:

  • Case report of a 21-year-old female with WFNS grade 1 SAH.
  • Initial treatment involved clipping of a right posterior communicating artery aneurysm.
  • Second SAH occurred 16 days later from a left anterior choroidal artery aneurysm, treated with coiling.
  • Digital subtraction angiography was used for aneurysm comparison.

Main Results:

  • The patient experienced two separate SAH events from distinct cerebral aneurysms within 16 days.
  • The second aneurysm showed significant growth (from 2.7x2 mm to 4.4x2.3 mm) between events.
  • Literature review on simultaneous and sequential SAH was conducted.

Conclusions:

  • Sequential aneurysmal subarachnoid hemorrhage, though rare, can occur shortly after an initial event.
  • This case underscores the importance of vigilance and potential for rapid aneurysm growth in specific clinical scenarios.