Right Ventricular Cardiac Dysfunction in β-Thalassemia Major FREE

Ariel Koren (Kurlat), MD; Itzhak Garty, MD; Dante Antonelli, MD; Eliahu Katzuni, MD

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Accepted for publication July 14, 1986.

Reprints not available.

Am J Dis Child. 1987;141(1):93-96. doi:10.1001/archpedi.1987.04460010093035.

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ABSTRACT

ABSTRACT | REFERENCES

• In patients with iron overload associated with severe, transfusion-dependent β-thalassemia, congestive heart failure develops during the second decade of life. Biventricular heart function Was studied by multigated radionuclide angiography In 22 patients with β-thalassemia major. Six patients were symptomatic. Congestive heart failure developed in five patients at the time of blood transfusions, and one other patient had been treated for multiple ventricular extrasystole. The mean (±SD) left ventricular ejection fraction was normal (63.0%± 7.6%). Only one patient had a left ventricular ejection fraction under the normal level (<50%). The mean (± SD) right ventricular fraction (RVEF) was 33.3%±9.4%. In only three patients Was the RVEF normal (≥40%); an RVEF under 30% was registered in six patients. We suggest that the early right ventricular dysfunction in patients with β-thalassemia may be due to pulmonary hypertension secondary to iron overload and iron deposits in the ventricles.

(AJDC 1987;141:93-96)

REFERENCES

ABSTRACT | REFERENCES

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