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Related Experiment Videos

Carbon dioxide digital subtraction arteriography: a pilot study.

F A Weaver1, M J Pentecost, A E Yellin

  • 1Department of Surgery, LAC/USC Medical Center 90033.

Annals of Vascular Surgery
|September 1, 1990
PubMed
Summary

Carbon dioxide arteriography offers a safe and effective alternative for diagnosing peripheral vascular disease when standard contrast agents are risky. This technique successfully guided interventions in patients with renal insufficiency or other contraindications.

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Area of Science:

  • Vascular Surgery
  • Diagnostic Imaging
  • Interventional Radiology

Background:

  • Peripheral vascular disease (PVD) diagnosis often relies on contrast arteriography.
  • Standard contrast agents pose risks for patients with renal insufficiency, heart failure, or contrast allergies.
  • Alternative imaging modalities are needed for high-risk PVD patients.

Purpose of the Study:

  • To evaluate the diagnostic utility of carbon dioxide digital subtraction arteriography (CO2-DSA) in patients with PVD.
  • To assess the safety and efficacy of CO2-DSA in patients for whom standard contrast arteriography is contraindicated.

Main Methods:

  • Ten patients with PVD and contraindications for standard contrast arteriography underwent CO2-DSA.
  • Indications included lower extremity ischemia or severe hypertension with renal insufficiency.

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  • CO2-DSA was used to guide percutaneous transluminal angioplasty and reconstructive procedures.

    • Main Results:

    • CO2-DSA provided adequate visualization of critical arterial segments in most patients.
    • The infrapopliteal arteries required supplemental nonionic contrast in three cases.
    • Four percutaneous transluminal angioplasties and three reconstructive procedures were successfully performed.
    • No adverse events were attributed to carbon dioxide use; one patient had transient renal function decline after nonionic contrast.

    Conclusions:

    • Carbon dioxide digital subtraction arteriography is a clinically useful diagnostic tool for PVD patients.
    • It serves as a safe alternative when standard contrast agents are contraindicated.
    • CO2-DSA facilitates successful endovascular and surgical interventions in select patient populations.