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Related Experiment Video

Updated: Jun 10, 2026

Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms
11:58

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Endovascular Approach vs Microsurgical Approach for Posterior Circulation Aneurysms.

K Nakabayashi1, M Negoro, Y Itou

  • 1Department of Neurosurgery, Yokkaichi Municipal Hospital; Yokkaichi, Mie, Japan.

Interventional Neuroradiology : Journal of Peritherapeutic Neuroradiology, Surgical Procedures and Related Neurosciences
|August 4, 2010
PubMed
Summary
This summary is machine-generated.

Detachable coil embolization is a less invasive treatment for posterior circulation aneurysms compared to surgical clipping. Early embolization for ruptured aneurysms may lead to better clinical outcomes.

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Area of Science:

  • Neurosurgery
  • Interventional Neurology
  • Vascular Neurology

Background:

  • Posterior circulation aneurysms pose significant management challenges.
  • Surgical clipping and endovascular embolization are primary treatment modalities.
  • Comparing outcomes is crucial for optimizing patient care.

Purpose of the Study:

  • To compare the clinical outcomes of detachable coil embolization versus surgical clipping for posterior circulation aneurysms.
  • To evaluate the efficacy and safety of endovascular techniques in this patient cohort.

Main Methods:

  • Retrospective analysis of patients with posterior circulation aneurysms.
  • Comparison of outcomes between surgical clipping (31 patients) and detachable coil embolization using Guglielmi detachable coil (GDC) and interlocking detachable coil (IDC) (31 patients).
  • Assessment of clinical outcomes at discharge: good recovery (GR), moderate deficits (MD), severe deficits (SD), and death (D).

Main Results:

  • Surgical clipping resulted in GR (14), MD (11), SD (2), and D (4).
  • Detachable coil embolization resulted in GR (19), MD (4), SD (1), and D (1).
  • Embolization demonstrated a higher rate of good recovery and lower rates of deficits and death.

Conclusions:

  • Detachable coil embolization is a less invasive and potentially more effective treatment for posterior circulation aneurysms than surgical clipping.
  • Early endovascular embolization of ruptured posterior circulation aneurysms, especially in early stages of subarachnoid hemorrhage (SAH), may improve clinical outcomes.