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The "blue toe" syndrome with renal atheroembolism and failure

J Zatuchni, H K Patel, S Chiemchanya

    Angiology
    |April 1, 1985
    PubMed

    Insights

    Atheromatous embolization, a complication of cardiac procedures, can cause toe discoloration and kidney failure. This condition may be underdiagnosed due to its varied symptoms mimicking other diseases.

    Area of Science:

    • Cardiovascular Medicine
    • Nephrology
    • Pathology

    Background:

    • Cardiac catheterization and coronary artery bypass surgery are common invasive cardiovascular procedures.
    • Atheromatous embolization is a known but potentially underrecognized complication.
    • Early identification is crucial for patient outcomes.

    Observation:

    • A case is presented where atheromatous embolization manifested as bluish discoloration of the toes, initially mistaken for vasospasm.
    • Progressive renal failure was a subsequent and critical clinical sign.
    • Diagnosis was definitively established through renal biopsy.

    Findings:

    • The syndrome of multiple atheromatous or cholesterol emboli can present with diverse and misleading symptoms.
    • The condition's ability to mimic other illnesses contributes to diagnostic challenges.
    • Renal biopsy confirmed the presence of atheromatous emboli.

    Implications:

    • Increased clinical awareness of atheromatous embolization is necessary, especially post-cardiac procedures.
    • Consideration of this diagnosis can improve patient management and prevent delayed treatment.
    • Further research may be warranted to understand the true incidence and optimal diagnostic strategies.

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