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Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload
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Published on: March 14, 2017

Cardiac hemochromatosis: beneficial effects of iron removal therapy. An echocardiographic study

J Candell-Riera, L Lu, L Serés

    The American Journal of Cardiology
    |October 1, 1983
    PubMed

    Insights

    Idiopathic hemochromatosis (IH) causes significant heart abnormalities, including increased left ventricular mass and impaired systolic function. Iron removal therapy through phlebotomy can significantly improve these cardiac issues in patients with IH.

    Area of Science:

    • Cardiology
    • Hematology
    • Medical Imaging

    Background:

    • Idiopathic hemochromatosis (IH) is a genetic disorder characterized by excessive iron absorption and deposition.
    • Iron overload can lead to multi-organ damage, including the heart, potentially causing cardiomyopathy.
    • Echocardiography is a crucial non-invasive tool for assessing cardiac structure and function.

    Purpose of the Study:

    • To investigate the echocardiographic features of cardiac involvement in patients with idiopathic hemochromatosis.
    • To compare echocardiographic findings in IH patients with a control group.
    • To evaluate the impact of iron removal therapy on cardiac function in IH patients.

    Main Methods:

    • Retrospective analysis of echocardiographic data from 22 patients with idiopathic hemochromatosis.
    • Comparison with a control group of 22 individuals without heart disease.
    • Assessment of cardiac parameters including left ventricular mass, dimensions, and systolic function indexes before and after iron removal therapy (phlebotomy) in a subset of patients.

    Main Results:

    • Patients with IH exhibited statistically significant increases in left ventricular mass, end-diastolic and end-systolic diameters, and left atrial dimension compared to controls.
    • Systolic function was impaired in IH patients, evidenced by decreased fractional shortening and ejection fraction, and increased E point to septum distance.
    • Iron removal therapy led to significant improvements in left ventricular dimensions, systolic function (fractional shortening, ejection fraction), LV mass, and left atrial dimension in patients with initially impaired function.

    Conclusions:

    • Idiopathic hemochromatosis is associated with distinct echocardiographic abnormalities, primarily affecting left ventricular size and systolic function.
    • These cardiac abnormalities are more pronounced in patients with electrocardiogram changes.
    • Phlebotomy-induced iron reduction therapy can effectively reverse cardiac dysfunction and structural changes in patients with IH, highlighting the importance of early diagnosis and treatment.

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