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Computer-Assisted Microcatheter Shaping for Intracranial Aneurysm Embolization.

Heng Yang1,2,3,4, Liquan Xu1,2,3,4, Yanjiang Li1,2,3,4

  • 1Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai 200040, China.

Brain Sciences
|September 28, 2023
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Computer-assisted microcatheter shaping significantly speeds up intracranial aneurysm coiling procedures compared to manual methods. This innovative technique enhances accuracy and safety, potentially revolutionizing endovascular treatments.

Keywords:
computer-assistedintracranial aneurysmmicrocatheter shaping

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Area of Science:

  • Neurosurgery
  • Medical Devices
  • Interventional Radiology

Background:

  • Intracranial aneurysms pose significant risks, necessitating advanced treatment modalities.
  • Traditional microcatheter shaping for endovascular coiling can be time-consuming and operator-dependent.
  • Improving the precision and efficiency of microcatheter manipulation is crucial for successful aneurysm treatment.

Purpose of the Study:

  • To evaluate the accuracy, stability, and safety of computer-assisted microcatheter shaping (CAMS) versus manual microcatheter shaping (MMS).
  • To compare the procedural efficiency of CAMS and MMS in endovascular aneurysm embolization.
  • To assess the clinical outcomes of CAMS in patients undergoing intracranial aneurysm coiling.

Main Methods:

  • A comparative study using solid models and patient trials to assess microcatheter shaping techniques.
  • Forty-eight patients were randomized into either the CAMS group or the MMS group.
  • Key metrics included speed of microcatheter positioning, accuracy, stability, safety, and clinical outcomes like mRS score and aneurysm regrowth.

Main Results:

  • Computer-assisted microcatheter shaping (CAMS) demonstrated significantly faster microcatheter positioning times both in vitro and in vivo compared to manual microcatheter shaping (MMS).
  • In vitro, CAMS positioning was 114.4s vs. MMS 201.9s (p=0.015); in vivo, CAMS positioning was 2.48 min vs. MMS 5.16 min (p=0.0001).
  • No significant differences were observed in modified Rankin Scale (mRS) scores or aneurysm regrowth rates between the CAMS and MMS groups at 6-month follow-up.

Conclusions:

  • Computer-assisted microcatheter shaping is a safe and accurate novel method for treating intracranial aneurysms.
  • CAMS offers significant advantages in procedural speed, particularly for less experienced operators.
  • Computer assistance has the potential to revolutionize endovascular aneurysm treatment, improving patient outcomes.