http://www.cnr.it/ontology/cnr/individuo/prodotto/ID23832
Multislice Multiecho T2* Cardiovascular Magnetic Resonance for Detection of the Heterogeneous Distribution of Myocardial Iron Overload (Articolo in rivista)
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- Multislice Multiecho T2* Cardiovascular Magnetic Resonance for Detection of the Heterogeneous Distribution of Myocardial Iron Overload (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1002/nbm.1382 (literal)
- Alternative label
Pepe A.; Positano V.; Santarelli M. F.; Sorrentino F.; Cracolici E.; De Marchi D.; Maggio A.; Midiri M.; Landini L.; Lombardi M. (2006)
Multislice Multiecho T2* Cardiovascular Magnetic Resonance for Detection of the Heterogeneous Distribution of Myocardial Iron Overload
in Journal of magnetic resonance imaging (Print); John Wiley & Sons Inc., Hoboken (Stati Uniti d'America)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Pepe A.; Positano V.; Santarelli M. F.; Sorrentino F.; Cracolici E.; De Marchi D.; Maggio A.; Midiri M.; Landini L.; Lombardi M. (literal)
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- In: Journal of Magnetic Resonance Imaging, vol. 23 pp. 662-668. John Wiley & Sons, Inc. (eds.). Wiley-Liss, Inc., 2006. (literal)
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1MRI Laboratory, Institute of Clinical Physiology, Consiglio Nazionale
delle Ricerche, Pisa, Italy.
2Department of Radiology, University of Palermo, Palermo, Italy.
3Department of Cardiology, University of Palermo, Palermo, Italy.
4Hematology II With Thalassemia, V. Cervello Hospital, Palermo, Italy.
5Department of Information Engineering, University of Pisa, Pisa, Italy. (literal)
- Titolo
- Multislice Multiecho T2* Cardiovascular Magnetic Resonance for Detection of the Heterogeneous Distribution of Myocardial Iron Overload (literal)
- Abstract
- Purpose: To assess the tissue iron concentration of the left ventricle (LV) using a multislice, multiecho T2* MR technique and a segmental analysis. Materials and Methods: T2* multiecho MRI was performed in 53 thalassemia major patients. Three short-axis views of the LV were obtained and analyzed with custom-written software. The myocardium was automatically segmented into 12 segments. The T2* value on each segment as well as the global T2* value were calculated. Cine dynamic images were also obtained to evaluate biventricular function parameters by quantitative analysis. Results: For the T2* global value, the coefficient of variation (CoV) for intra-/interobserver and interstudy reproducibility was 3.9% (r == 0.98), 5.5% (r = 0.98), and 4.7% (r == 0.99) respectively. Three groups were identified based on analysis of myocardial T2*: homogeneous (21%), heterogeneous (38%), and no myocardial iron overload (41%). The mean serum ferritin, liver iron concentration, and urinary iron excretion were significantly different among the groups. We did not find significant differences among groups in biventricular function. There was a correlation between the global T2* value and the T2* value in the mid-ventricular septum (r = 0.95, P 0.0001). Conclusion: Multislice multiecho T2* MRI provides a noninvasive, fast, reproducible means of assessing myocardial iron distribution. The single measurement of mid-septal T2* correlated well with the global T2* value. (literal)
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