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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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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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Updated: Mar 29, 2026

Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms
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Retractorless surgery for intracranial aneurysms.

H Sun1, S Safavi-Abbasi, R F Spetzler

  • 1Department of Neurosurgery Barrow Neurological Institute, St. Joseph's Hospital and Medical Center Phoenix, Arizona - Neuropub@dignityhealth.org.

Journal of Neurosurgical Sciences
|November 26, 2015
PubMed
Summary
This summary is machine-generated.

Dynamic retraction techniques avoid brain injury during microsurgical clipping of intracranial aneurysms. This approach, combined with optimal patient positioning and neuroprotection, ensures adequate surgical visualization and excellent outcomes.

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Area of Science:

  • Neurosurgery
  • Cerebrovascular Surgery

Background:

  • Microsurgical clipping of intracranial aneurysms necessitates deep brain access via the subarachnoid space.
  • Conventional fixed retractors used for surgical corridor maintenance are associated with documented brain injuries.

Purpose of the Study:

  • To introduce dynamic retraction strategies as an alternative to fixed retractors in aneurysm surgery.
  • To evaluate the efficacy of dynamic retraction in preventing brain injury and ensuring surgical success.

Main Methods:

  • Implementation of dynamic retraction techniques, eliminating constant pressure from fixed retractors.
  • Integration of optimal patient positioning and neuroprotective anesthetic protocols.
  • Assessment of surgical corridor adequacy and aneurysm visualization.

Main Results:

  • Dynamic retraction successfully provided adequate visualization of intracranial aneurysms.
  • Excellent surgical outcomes were achieved without the use of fixed retractors.
  • The proposed strategy mitigates the risk of brain injury associated with traditional retraction methods.

Conclusions:

  • Dynamic retraction is a viable and effective alternative to fixed retractors for microsurgical aneurysm clipping.
  • Combining dynamic retraction with optimized patient positioning and neuroprotection enhances surgical safety and efficacy.
  • This approach offers a promising strategy for reducing iatrogenic brain injury in deep brain access surgeries.