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Comparative study between black blood T2∗ and conventional bright GRE sequences in assessment of myocardial iron concentration

The Egyptian Journal of Radiology and Nuclear Medicine. 2016;47(2):407-412 DOI 10.1016/j.ejrnm.2016.01.006

 

Journal Homepage

Journal Title: The Egyptian Journal of Radiology and Nuclear Medicine

ISSN: 0378-603X (Print); 2090-4762 (Online)

Publisher: SpringerOpen

Society/Institution: Egyptian Society of Radiology and Nuclear Medicine

LCC Subject Category: Medicine: Medicine (General): Medical physics. Medical radiology. Nuclear medicine

Country of publisher: United Kingdom

Language of fulltext: English

Full-text formats available: PDF, HTML

 

AUTHORS


Nivan Hany Khater (Ain Shams University Hospitals, Cairo, Egypt)

Hazem Mohamed El Shahat (Zagazig University Hospitals, Radiology department, Zagazig, Egypt)

Hadeer Safwat Fahmy (Zagazig University Hospitals, Radiology department, Zagazig, Egypt)

Samah Saleh El Hadidy (Mansoura University Hospital, Community Medicine Department, Mansoura, Egypt)

EDITORIAL INFORMATION

Double blind peer review

Editorial Board

Instructions for authors

Time From Submission to Publication: 27 weeks

 

Abstract | Full Text

Purpose: To compare the efficacy and reproducibility of black blood T2∗ to the conventional bright blood sequence in the assessment of myocardial iron concentration. Materials and methods: We performed both conventional bright blood and black blood MRI T2∗ sequences in 50 thalassemia major patients, the results were statistically analyzed to assess the correlation of techniques, study reproducibility and interobserver agreement. Results: Cardiac T2∗ values ranged from 2.39 to 47.9 ms using bright blood sequence and 2.07 to 46.81 using the black blood sequence. There was positive significant correlation of both sequences in all patients. However the black blood technique was superior to bright blood technique as regards the study reproducibility (R2∗1.9 ±  versus 2.4 ± 14.7 p < 0.001) in addition to the better inter-observer agreement of black blood technique compared to the bright blood technique (3.2 ± 1.2 versus 8.3 ± 2.4 p < 0.001). Conclusions: Black blood T2∗ technique provides clearly defined septal borders, avoids bright blood signal contamination of the myocardium, has superior study reproducibility and inter-observer agreement which favors this technique in the assessment of iron myocardial concentration.