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Radial cardiac T 2 mapping with alternating T 2 preparation intrinsically introduces motion correction

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T2 map of volunteer acquired with the alternating (a) and sequential (b) method. Note that consistent with the quantitative findings, the antero-lateral myocardium is thicker when acquired with the alternating method (arrows).
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Figure 2: T2 map of volunteer acquired with the alternating (a) and sequential (b) method. Note that consistent with the quantitative findings, the antero-lateral myocardium is thicker when acquired with the alternating method (arrows).

Mentions: The alternating sequence was as robust to heart rate variation as its sequential counterpart (Figure 1c), while its accuracy was confirmed in the phantoms (T2 = 45.4 ± 0.7 ms for the alternating method, vs 45.3 ± 0.7 ms for the sequential method and 45.1 ± 0.7 ms for the gold-standard). The myocardial surface area was increased in the alternated T2 maps of the volunteers (128 ± 24 cm2 vs. 111 ± 20 cm2, p = 0.04) (Figure 2), while the average midventricular T2 value slightly differed between the alternated and sequential methods (T2 = 37.6 ± 6.6 ms alternated vs. 40.4 ± 6.1 ms sequential, p = 0.01).


Radial cardiac T 2 mapping with alternating T 2 preparation intrinsically introduces motion correction
T2 map of volunteer acquired with the alternating (a) and sequential (b) method. Note that consistent with the quantitative findings, the antero-lateral myocardium is thicker when acquired with the alternating method (arrows).
© Copyright Policy - open-access
Related In: Results  -  Collection

License 1 - License 2
Show All Figures
getmorefigures.php?uid=PMC4042471&req=5

Figure 2: T2 map of volunteer acquired with the alternating (a) and sequential (b) method. Note that consistent with the quantitative findings, the antero-lateral myocardium is thicker when acquired with the alternating method (arrows).
Mentions: The alternating sequence was as robust to heart rate variation as its sequential counterpart (Figure 1c), while its accuracy was confirmed in the phantoms (T2 = 45.4 ± 0.7 ms for the alternating method, vs 45.3 ± 0.7 ms for the sequential method and 45.1 ± 0.7 ms for the gold-standard). The myocardial surface area was increased in the alternated T2 maps of the volunteers (128 ± 24 cm2 vs. 111 ± 20 cm2, p = 0.04) (Figure 2), while the average midventricular T2 value slightly differed between the alternated and sequential methods (T2 = 37.6 ± 6.6 ms alternated vs. 40.4 ± 6.1 ms sequential, p = 0.01).

View Article: PubMed Central - HTML

No MeSH data available.