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Related Concept Videos

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Aneurysm 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...
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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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Related Experiment Video

Updated: Jun 1, 2026

Microsurgical Venous Pouch Arterial-Bifurcation Aneurysms in the Rabbit Model: Technical Aspects
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Published on: May 11, 2011

Microsurgical technique for previously coiled aneurysms.

R Romani1, H Lehto, A Laakso

  • 1Department of Neurosurgery, Helsinki University Central Hospital, Helsinki, Finland. rossana.romani@hus.fi

Journal of Neurosurgical Sciences
|May 31, 2011
PubMed
Summary
This summary is machine-generated.

Microsurgical treatment of coiled intracranial aneurysms is complex. Late surgery and posterior circulation location increase risks, necessitating specialized neurovascular care for better outcomes.

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Area of Science:

  • Neurosurgery
  • Endovascular Surgery
  • Cerebrovascular Disease

Background:

  • Endovascular coiling for intracranial aneurysms has increased since 1991.
  • This has led to a rise in residual and recurrent aneurysms requiring microsurgical intervention.
  • Microsurgical occlusion is a critical treatment option for previously coiled aneurysms.

Purpose of the Study:

  • To retrospectively analyze outcomes of microsurgical treatment for previously coiled intracranial aneurysms.
  • To identify factors influencing the difficulty and outcomes of these complex neurosurgical procedures.
  • To evaluate the safety and efficacy of microsurgical occlusion versus other options.

Main Methods:

  • Retrospective analysis of 81 patients with 82 previously coiled aneurysms treated microsurgically.
  • Data collected from two Finnish Neurosurgical University Hospitals between July 1995 and August 2009.
  • Analysis included aneurysm location, timing of surgery (early vs. late), coil removal, and clinical outcomes.

Main Results:

  • Good clinical outcome (71/81 patients, 88%) was achieved, but 6 patients died.
  • Complete or partial coil removal was more difficult in late surgery (P<0.001).
  • Poor outcomes were associated with intraoperative rupture, larger aneurysm size, and posterior circulation location.

Conclusions:

  • Complete microsurgical occlusion of residual coiled aneurysms is high-risk, especially for large/giant aneurysms.
  • Referral to dedicated neurovascular centers is recommended to minimize complications.
  • Bypass procedures may be optimal for complex lesions, particularly in the posterior circulation.