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A Novel Approach to Monitoring Graft Neovascularization in the Human Gingiva
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A Novel Approach to Monitoring Graft Neovascularization in the Human Gingiva

Published on: January 12, 2019

Intravenous digital subtraction angiography in diagnosis of vascular graft occlusion

L M Boxt, P D Murray, L M Perlmutt

    Cardiovascular and Interventional Radiology
    |January 1, 1985
    PubMed

    Insights

    Digital subtraction angiography (DSA) safely and accurately diagnoses vascular graft occlusion after surgery. This imaging technique helps differentiate graft issues from disease progression in patients, aiding clinical decisions.

    Area of Science:

    • Vascular Surgery
    • Diagnostic Imaging
    • Interventional Radiology

    Background:

    • Distinguishing vascular graft occlusion from underlying disease progression post-surgery is clinically challenging.
    • Existing diagnostic methods may be insufficient or invasive for routine postoperative monitoring.

    Purpose of the Study:

    • To evaluate the safety and efficacy of digital subtraction angiography (DSA) in diagnosing vascular graft occlusion.
    • To assess DSA's utility in differentiating graft failure from underlying disease progression in patients post-vascular surgery.

    Main Methods:

    • A cohort of 57 patients undergoing vascular surgery for arterial occlusion or anomalies were examined using a commercial DSA unit.
    • Indications for DSA included symptoms like pain, diminished pulse, or failed prior catheter angiography.
    • Graft patency was assessed by visualizing anastomoses; occlusion was diagnosed if the graft or vascular stump was not imaged.

    Main Results:

    • No complications were reported during DSA examinations.
    • DSA successfully diagnosed graft occlusion in 31 out of 57 grafts.
    • Surgical confirmation validated DSA diagnoses in 24 patients; other cases were confirmed via angiography or Doppler ultrasound.

    Conclusions:

    • Digital subtraction angiography (DSA) is a safe and specific imaging modality for monitoring postoperative vascular grafts.
    • DSA effectively diagnoses vascular graft occlusion, aiding in clinical management decisions.

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