Single‐ and Bi‐component T2* analysis of tendon before and during tensile loading, using UTE sequences. Issue 1 (15th September 2014)

• Record Type: Journal Article
• Authors: Chang, Eric Y.; Du, Jiang; Iwasaki, Kenyu; Biswas, Reni; Statum, Sheronda; He, Qun; Bae, Won C.; Chung, Christine B.
• Is Part Of: Journal of magnetic resonance imaging. Volume 42:Issue 1(2015)
• Page Start: 114
• Page End: 120
• Publication Date: 2014-09-15
• Subjects: Magnetic resonance imaging -- Periodicals; 616
• DOI: 10.1002/jmri.24758
• Languages: English
• ISSNs: 1053-1807

Abstract

<abstract abstract-type="main"> <title> <x xml:space="preserve">Abstract</x> </title> <sec id="jmri24758-sec-0001" sec-type="section"> <title>Background</title> <p>To determine if the application of tensile force alters the single‐ or bi‐component T2* values of human tendons as measured on a clinical MRI scanner with ultrashort echo time (UTE sequences and if single‐ or bi‐component T2* values differ when measured with 2D‐UTE, 3D‐UTE, or 3D‐UTE‐Cones sequences.</p> </sec> <sec id="jmri24758-sec-0002" sec-type="section"> <title>Methods</title> <p>Ten tendons were imaged before and during the application of tension using various UTE sequences at 3 Tesla. Single and bi‐component T2* analysis was performed pre‐ and posttension and compared with Bonferroni‐corrected paired Wilcoxon tests.</p> </sec> <sec id="jmri24758-sec-0003" sec-type="section"> <title>Results</title> <p>Range of mean pre‐ and posttension T2* analysis values were: short T2* fraction (78.6–79.7% and 77.3–79.7%, respectively; <italic>P</italic> = 1.0 for all sequences), long T2* fraction (20.3–21.4% and 20.3–22.7%, respectively; <italic>P</italic> = 1.0 for all sequences), short T2* (0.9–1.0 ms and 0.9 ms, respectively; <italic>P</italic> = 1.0 for all sequences), long T2* (19.9–20.4 ms and 21.9–24.0 ms, respectively; <italic>P</italic> = 0.9 for 2D‐UTE and <italic>P</italic> = 1.0 for 3D‐UTE and 3D‐UTE‐Cones), and single‐component T2* (2.3–2.5 ms and 2.5–3.2 ms, respectively; <italic>P</italic> = 1.0 for all sequences).</p> </sec> <sec id="jmri24758-sec-0004" sec-type="section"> <title>Conclusion</title> <p>No significant difference in single‐ or bi‐component results was found after the application of tension to tendons. Results are similar regardless of UTE sequence used for acquisition. <bold>J. Magn. Reson. Imaging 2015;42:114–120</bold>. © <bold>2014 Wiley Periodicals, Inc</bold>.</p> </sec> </abstract>