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Related Experiment Videos

[Carbon dioxide angiography. A new injection system].

A Nicolini1, A Lovaria, D Meregaglia

  • 1Dipartimento di Scienze Radiologiche, Ospedale Maggiore, IRCCS Policlinico, Milano. radzonda@polic.cilea.it

La Radiologia Medica
|May 10, 2000
PubMed
Summary

The new CO2-Angioset system offers a safe and effective method for digital subtraction angiography, especially for patients with contraindications to iodinated contrast media. This carbon dioxide (CO2) angiography tool demonstrated good visualization in 82% of cases with minimal complications.

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Area of Science:

  • Vascular Imaging
  • Interventional Radiology
  • Medical Device Technology

Background:

  • Digital subtraction angiography (DSA) traditionally uses iodinated contrast media.
  • Iodinated contrast media carry risks, including allergic reactions and nephrotoxicity.
  • Alternative contrast agents are needed for specific patient populations.

Purpose of the Study:

  • To assess the utility of a novel carbon dioxide (CO2) intravascular injection system (CO2-Angioset) for DSA.
  • To evaluate the safety and efficacy of CO2 angiography in various vascular beds.
  • To determine the suitability of CO2 angiography for patients with contraindications to iodinated contrast agents.

Main Methods:

  • Thirty-nine patients underwent DSA using the CO2-Angioset system between March 1998 and May 1999.

Related Experiment Videos

  • CO2 angiography was performed on renal arteries, portal vein, and limb vasculature.
  • Patients included those with contraindications to iodinated contrast media or poor prior angiography results.
  • Hemodynamic and oxygen saturation were monitored; subjective sensations were recorded.

    • Main Results:

    • Adequate visualization was achieved in 82% of CO2 angiography procedures.
    • Good depiction of renal arteries and peripheral circulation was noted.
    • Portal vein visualization was adequate in 12/18 cases, with limitations in some due to venous anatomy.
    • A single transient complication (mesenteric ischemia) occurred, resolving spontaneously.

    Conclusions:

    • The CO2-Angioset system is a simple, safe, and effective tool for CO2 angiography.
    • It is particularly beneficial for patients at risk of allergic reactions to iodinated contrast agents or with renal impairment.
    • The system facilitates interventional procedures like arteriovenous fistula embolization and transjugular portosystemic shunting.