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Related Experiment Video

Updated: May 11, 2026

Creation of Two Saccular Elastase-Digested Aneurysms with Different Hemodynamics in One Rabbit
07:04

Creation of Two Saccular Elastase-Digested Aneurysms with Different Hemodynamics in One Rabbit

Published on: April 15, 2021

An improved elastase-based method to create a saccular aneurysm rabbit model.

Yubo Wang1, Chi Ma, Ning Xu

  • 1Department of Neurosurgery, The First Hospital of Jilin University , Changchun , P. R. China.

British Journal of Neurosurgery
|May 30, 2013
PubMed
Summary
This summary is machine-generated.

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Researchers developed a simple elastase method to create rabbit aneurysm models. This technique successfully induced aneurysms in 93% of experimental rabbits within 3 weeks.

Area of Science:

  • Vascular Surgery
  • Animal Models

Background:

  • Cerebral aneurysm models are crucial for studying pathogenesis and testing treatments.
  • Existing methods for creating animal aneurysm models can be complex or invasive.

Purpose of the Study:

  • To establish a safe, effective, and straightforward method for inducing aneurysms in rabbits.
  • To provide a reliable animal model for aneurysm research.

Main Methods:

  • Twelve New Zealand rabbits were divided into experimental (n=9) and control (n=3) groups.
  • The right external carotid artery was temporarily occluded, ligated distally, and infused with elastase (experimental) or saline (control).
  • Angiography and histological analysis were performed 3 weeks post-procedure.

Main Results:

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Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit
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Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit

Published on: May 14, 2020

Microsurgical Creation of Giant Bifurcation Aneurysms in Rabbits for the Evaluation of Endovascular Devices
07:21

Microsurgical Creation of Giant Bifurcation Aneurysms in Rabbits for the Evaluation of Endovascular Devices

Published on: September 8, 2023

Related Experiment Videos

Last Updated: May 11, 2026

Creation of Two Saccular Elastase-Digested Aneurysms with Different Hemodynamics in One Rabbit
07:04

Creation of Two Saccular Elastase-Digested Aneurysms with Different Hemodynamics in One Rabbit

Published on: April 15, 2021

Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit
06:11

Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit

Published on: May 14, 2020

Microsurgical Creation of Giant Bifurcation Aneurysms in Rabbits for the Evaluation of Endovascular Devices
07:21

Microsurgical Creation of Giant Bifurcation Aneurysms in Rabbits for the Evaluation of Endovascular Devices

Published on: September 8, 2023

  • All experimental rabbits (9/9) developed aneurysms with an average size of 5.2 x 3.5 mm.
  • Histology revealed minimal tunica media in the aneurysmal wall.
  • No aneurysms formed in the control group; instead, the artery stump closed.

Conclusions:

  • An effective and simple elastase-based method for creating rabbit aneurysm models has been established.
  • This technique is easy to perform and avoids complex interventional procedures.
  • The method does not compromise brain blood supply by ligating the internal carotid artery.