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Updated: Aug 16, 2026

Fluorescence Angiography for Evaluation of Aneurysm Perfusion and Parent Artery Patency in Rat and Rabbit Aneurysm Models
Published on: July 24, 2019
Abstract:
Amipaque (metrizamide) has proved considerably less uncomfortable than Urografin 310 M in 42 patients submitted to selective or subselective external carotid, subclavian, and spinal angiography. Two out of five patients undergoing selective spinal arteriography developed transient neurological complications during the injection of Urografin 310 M. On repeat examination with Amipaque no complications were encountered.
Insights
Amipaque (metrizamide) is a more comfortable and safer contrast agent than Urografin 310 M for angiography. It significantly reduced discomfort and eliminated neurological complications in spinal arteriography patients.
Area of Science:
- Radiology
- Neuroradiology
- Vascular Imaging
Background:
- Contrast agents are essential for angiography.
- Urografin 310 M has been used, but patient comfort and safety are concerns.
- Amipaque (metrizamide) is a newer alternative.
Purpose of the Study:
- To compare the comfort and safety of Amipaque (metrizamide) versus Urografin 310 M.
- To evaluate complication rates associated with each contrast agent.
Main Methods:
- A comparative study involving 42 patients undergoing selective or subselective external carotid, subclavian, and spinal angiography.
- Direct comparison of patient-reported discomfort and observed neurological complications.
Main Results:
- Amipaque (metrizamide) was considerably less uncomfortable than Urografin 310 M.
- Two of five patients experienced transient neurological complications with Urografin 310 M during spinal arteriography.
- No complications were observed with Amipaque (metrizamide) in repeat examinations.
Conclusions:
- Amipaque (metrizamide) offers improved patient comfort compared to Urografin 310 M.
- Amipaque (metrizamide) demonstrates a superior safety profile, particularly in reducing neurological complications during spinal angiography.
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