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Left main stem rupture caused by methicillin resistant Staphylococcus aureus infection of left main stent treated by

Eugene B Wu, Wilson W M Chan, Cheuk-Man Yu

    International Journal of Cardiology
    |January 30, 2009
    PubMed

    Insights

    Coronary artery infection following stenting is rare but serious, often caused by Staphylococcus aureus. A successful stent graft treatment for a ruptured left main stent due to methicillin-resistant Staphylococcus aureus is reported.

    Area of Science:

    • Cardiology
    • Infectious Diseases
    • Interventional Cardiology

    Background:

    • Coronary artery infection is a rare but severe complication post-percutaneous coronary intervention (PCI).
    • Staphylococcus aureus accounts for 80% of these infections, leading to potential rupture, abscess, or aneurysm.
    • Traditional surgical treatment for coronary artery infection carries a high mortality rate.

    Observation:

    • A high-risk patient presented with methicillin-resistant Staphylococcus aureus (MRSA) infection of a left main stem stent.
    • The infection resulted in coronary artery rupture and pseudoaneurysm formation.
    • The patient had undergone previous angioplasty and stent implantation.

    Findings:

    • Successful treatment of MRSA coronary artery infection with a stent graft was achieved.
    • This approach offered a less invasive alternative to conventional surgery.
    • The stent graft successfully excluded the pseudoaneurysm and sealed the rupture.

    Implications:

    • Stent graft placement is a viable and potentially life-saving option for managing complex coronary artery infections with rupture or pseudoaneurysm.
    • This case highlights the importance of considering novel endovascular techniques for rare PCI complications.
    • Further research into endovascular management of infected coronary pseudoaneurysms is warranted.

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