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Related Concept Videos

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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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...
91
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 IV: Nursing Management01:22

Aneurysm IV: Nursing Management

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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...
221
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

209
IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
209
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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Related Experiment Video

Updated: Nov 25, 2025

Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model
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Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model

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Aneurysmatic subarachnoid haemorrhage.

Oezguer A Onur1, Gereon R Fink1, Joji B Kuramatsu2

  • 1Department of Neurology, University Hospital, University of Cologne, Kerpener Str, 62 50937 Köln, Germany.

Neurological Research and Practice
|December 16, 2020
PubMed
Summary

Aneurysmatic Subarachnoid Haemorrhage (aSAH) requires immediate diagnosis via imaging and lumbar puncture. Prompt aneurysm occlusion and careful management of complications like delayed cerebral ischemia improve patient outcomes.

Keywords:
ClippingCoilingDelayed cerebral ischaemiaNimodipineStandard operating procedureVasospasm

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Endovascular Perforation Model for Subarachnoid Hemorrhage Combined with Magnetic Resonance Imaging MRI
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Endovascular Perforation Model for Subarachnoid Hemorrhage Combined with Magnetic Resonance Imaging MRI
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Area of Science:

  • Neurology
  • Neurosurgery
  • Radiology

Background:

  • Aneurysmatic Subarachnoid Haemorrhage (aSAH) results from ruptured aneurysms, posing life-threatening risks and potential for secondary brain damage from delayed cerebral ischemia.
  • Key symptoms include sudden severe headache, altered consciousness, and neurological deficits.

Purpose of the Study:

  • To outline diagnostic and management strategies for aneurysmatic Subarachnoid Haemorrhage.
  • To emphasize timely intervention and complication management for favorable outcomes.

Main Methods:

  • Initial diagnosis involves cerebral imaging (CT, MRI) and lumbar puncture.
  • Digital subtraction angiography identifies aneurysms, followed by interdisciplinary consultation for occlusion (coiling or clipping).

Main Results:

  • Endovascular coiling is preferred over surgical clipping when both are suitable, offering better long-term outcomes.
  • Patient age, aneurysm location, and configuration influence treatment choice.
  • Proactive management of potential complications such as increased intracranial pressure, vasospasm, and electrolyte imbalances is crucial.

Conclusions:

  • Immediate aneurysm treatment and diligent management of post-hemorrhage complications are vital for improving patient prognosis.
  • Nimodipine administration and daily transcranial Doppler monitoring for vasospasm are recommended.
  • Maintaining euvolemia, normotension, and adequate cerebral perfusion pressure is essential.