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Cardiac involvement in sickle beta-thalassemia
Athanasios Aessopos1, Dimitrios Farmakis, Christos Trompoukis
1First Department of Internal Medicine, University of Athens Medical School, Laiko General Hospital, Athens, Greece. aaisopos@cc.uoc.gr
Annals of Hematology
|December 25, 2008
Summary
Cardiovascular issues are common in sickle beta-thalassemia, affecting heart size and function. This study highlights biventricular dysfunction and pulmonary hypertension as key cardiac concerns in these patients.
Area of Science:
- Cardiology
- Hematology
- Genetics
Background:
- Cardiovascular disease is a major cause of death in inherited hemoglobinopathies.
- Cardiac assessment in sickle beta-thalassemia remains limited.
- Understanding cardiac complications is crucial for patient management.
Purpose of the Study:
- To evaluate cardiovascular involvement in sickle beta-thalassemia patients.
- To assess left and right ventricular function and pulmonary hypertension.
- To identify the prevalence and characteristics of cardiac dysfunction.
Main Methods:
- Echocardiography was performed on 115 sickle beta-thalassemia patients and 50 controls.
- Patients with dysfunction or pulmonary hypertension underwent cardiac catheterization and CMR.
- Cardiac dimensions, function, and pulmonary artery pressures were analyzed.
Main Results:
- Sickle beta-thalassemia patients showed significantly enlarged heart chambers and higher cardiac index.
- Reduced left ventricular ejection fraction was observed in 2.9% of patients.
- Pulmonary hypertension (PHT) was present in 27% of patients, with 2.9% having severe PHT.
- Impaired ventricular systolic and diastolic function was noted in patients.
Conclusions:
- Cardiac involvement in sickle beta-thalassemia includes biventricular dilatation and dysfunction.
- Pulmonary hypertension is a significant comorbidity.
- These cardiac issues can lead to congestive heart failure.
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