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Integrated treadmill stress testing and MR relaxometry (T1, T2, T2*): response in healthy calf muscles

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Examples of significant correlations (p < 0.05) observed in relaxometric measures with age (a-c) and treadmill test duration (d-f).
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Figure 2: Examples of significant correlations (p < 0.05) observed in relaxometric measures with age (a-c) and treadmill test duration (d-f).

Mentions: T1, T2 and T2* demonstrated a significant increase from rest with exercise, followed by gradual recovery. T2 at rest (r2_TA = 0.48, r2_Sol = 0.47, r2_MG = 0.44, r2_LG = 0.53), peak T1, T2 and T2* (r2 = 0.49, 0.52, and -0.52) in Sol, end of exercise T2 in Sol, MG and LG (r2 = 0.66, 0.47, and 0.57) and T2 decay rate for TA (r2 = 0.47) were related to age. The peak-rest differences of T1, T2 and T2* in MG (r2 = 0.46, 0.53, and 0.61) and LG (r2 = 0.58, 0.50, and 0.47) were correlated with test duration (Figure 2).


Integrated treadmill stress testing and MR relaxometry (T1, T2, T2*): response in healthy calf muscles
Examples of significant correlations (p < 0.05) observed in relaxometric measures with age (a-c) and treadmill test duration (d-f).
© Copyright Policy - open-access
Related In: Results  -  Collection

License 1 - License 2
Show All Figures
getmorefigures.php?uid=PMC4043357&req=5

Figure 2: Examples of significant correlations (p < 0.05) observed in relaxometric measures with age (a-c) and treadmill test duration (d-f).
Mentions: T1, T2 and T2* demonstrated a significant increase from rest with exercise, followed by gradual recovery. T2 at rest (r2_TA = 0.48, r2_Sol = 0.47, r2_MG = 0.44, r2_LG = 0.53), peak T1, T2 and T2* (r2 = 0.49, 0.52, and -0.52) in Sol, end of exercise T2 in Sol, MG and LG (r2 = 0.66, 0.47, and 0.57) and T2 decay rate for TA (r2 = 0.47) were related to age. The peak-rest differences of T1, T2 and T2* in MG (r2 = 0.46, 0.53, and 0.61) and LG (r2 = 0.58, 0.50, and 0.47) were correlated with test duration (Figure 2).

View Article: PubMed Central - HTML

No MeSH data available.