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Related Concept Videos

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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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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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...
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Aneurysm I: Introduction01:30

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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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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...
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Related Experiment Video

Updated: Aug 28, 2025

Myocardial Infarction by Percutaneous Embolization Coil Deployment in a Swine Model
05:52

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Recurrence pattern predicts aneurysm rupture after coil embolization.

Iku Nambu1, Kouichi Misaki1, Takehiro Uno1

  • 1Department of Neurosurgery, Kanazawa University School of Medicine, Ishikawa, Japan.

Plos One
|September 21, 2022
PubMed
Summary

Hemorrhage risk increases with specific intracranial aneurysm recurrence patterns after coiling. Prompt re-treatment is recommended for Type III and IV recurrences to prevent rupture.

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Area of Science:

  • Neurosurgery
  • Interventional Radiology
  • Vascular Neurology

Background:

  • Hemorrhage from recurrent intracranial aneurysms post-coiling is a significant clinical concern.
  • Understanding aneurysm recurrence patterns is crucial for predicting and preventing hemorrhage.

Purpose of the Study:

  • To identify specific aneurysm recurrence patterns associated with hemorrhage after endovascular coiling.
  • To evaluate the incidence and characteristics of different recurrence types.

Main Methods:

  • Retrospective analysis of radiological data from 173 patients with intracranial aneurysms treated with coiling (2008-2016).
  • Classification of aneurysm recurrence into four types: neck enlargement (I), coil mass cavity (II), wall cavity (III), and daughter sac (IV).
  • Evaluation of recurrence patterns in relation to hemorrhage events.

Main Results:

  • 22% of aneurysms (13%) recurred, requiring re-treatment.
  • Recurrence patterns observed: Type I (4%), Type II (2%), Type III (5%), and Type IV (1%).
  • Hemorrhage occurred in three cases, associated with Type III (one case) and Type IV (two cases) recurrences. Type IV often evolved from Type I.

Conclusions:

  • Type III and Type IV aneurysm recurrences are associated with a higher risk of hemorrhage and warrant prompt re-treatment.
  • Type I recurrence, particularly with neck enlargement, requires careful monitoring as it may progress to a Type IV daughter sac formation.