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Abstract #3839

Different Patterns of Myocardial Iron Overload by T2* Cardiovascular MR as Markers of Risk for Cardiac Complication in Thalassemia Major.

Antonella Meloni1, Vincenzo Positano1, Petra Keilberg1, Brunella Favilli1, Cristina Salvatori2, Letizia Gulino1, Gennaro Restaino3, Gianluca Valeri4, Massimo Midiri<su

1Cardiovascular MR Unit, Fondazione G. Monasterio CNR-Regione Toscana and Institute of Clinical Physiology, Pisa, Italy; 2Fondazione G. Monasterio CNR-Regione Toscana , Pisa, Italy; 3Centro di Ricerca e Formazione ad Alta Tecnologia nelle Scienze Biomediche "Giovanni Paolo II", Universit Cattolica del Sacro Cuore, Campobasso, Italy; 4Dipartimento di Radiologia, Azienda Ospedaliero-Universitaria Ospedali Riuniti "Umberto I-Lancisi-Salesi", Ancona, Italy; 5Istituto di Radiologia, Policlinico "Paolo Giaccone", Palermo, Italy; 6Centro trasfusionale e di microcitemia, Ospedale civile, Olbia, Italy

Homogeneous myocardial iron overload detected by multislice multiecho T2* MRI technique predicts a significantly higher risk to develop cardiac complications, especially heart failure, suggesting an intensive chelation therapy in this group of thalassemia major patients.

Keywords

among appropriate arrhythmias assessment axis burden cardiac cardiovascular cause central chelation clinical clinically cohort collected complication complications conservative considered defined detecting develop diagnosed disease documented ejection electrocardiogram especially failure fractions gender global greater heart heterogeneous history homogeneous hypertension identified inform institute instituted instrumentally intensive iron known limit mainly major markers materials medication medications model morbidity mortality myocardial myocardium normalized odds others overload particular partly patients patterns percentage permitted physiology positive predicts pulmonary quantify related remain requiring reversible risk segment segmental segmented segments short significantly standardized suggesting table therapy trans transfusion treatable unit validated velocity ventricle verify versus views years