Abstract
Secondary heart failure induced by organ siderosis is the main cause of death in patients affected by thalassemia major. At present it cannot be predicted whether heart siderosis is correlated with iron overload and little is known about the real cardiac histological pattern of post transfusional hemochromatosis in patients with thalassemia major and intermedia. The study aim was to evaluate cardiac iron overload by non invasive and invasive techniques. Fifteen thalassemic patients were investigated and endomyocardial biopsy performed in ten revealed different grades of endomyocardial iron overload with histochemical positivity. Non invasive techniques are not able to furnish an exact picture of the cardiac hemochromatosis. There was a significant correlation between serum ferritin and myocardial iron grade.
Patients with elevated ferritin levels and poor compliance to chelating therapy are at high risk of severe heart hemochromatosis. It was seen that endomyocardial biopsy is a useful tool in studying myocardial iron.
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Lombardo, T., Tamburino, C., Bartoloni, G. et al. Cardiac iron overload in thalassemic patients: An endomyocardial biopsy study. Ann Hematol 71, 135–141 (1995). https://doi.org/10.1007/BF01702649
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DOI: https://doi.org/10.1007/BF01702649