Comparison of SPAMM and SENC Methods for Evaluating Peak Circumferential Strain at 3T

Hiroyuki SUGIMORI; Noriko OYAMA-MANABE; Kinya ISHIZAKA; Hiroyuki HAMAGUCHI; Motomichi SAKATA

doi:10.2463/mrms.2012-0045

Technical Notes

Comparison of SPAMM and SENC Methods for Evaluating Peak Circumferential Strain at 3T

Hiroyuki SUGIMORI, Noriko OYAMA-MANABE, Kinya ISHIZAKA, Hiroyuki HAMAGUCHI, Motomichi SAKATA

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Keywords: magnetic resonance imaging, myocardial strain, peak circumferential strain, spatial modulation of magnetization, strain-encoded

JOURNAL OPEN ACCESS

2013 Volume 12 Issue 1 Pages 69-75

DOI https://doi.org/10.2463/mrms.2012-0045

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Abstract

We compared peak circumferential strain (Ecc) values with spatial modulation of magnetization (SPAMM) and strain-encoded (SENC) magnetic resonance (MR) imaging at 3 tesla. Correlation coefficients of the averaged peak Ecc values of the 2 methods were statistically significant. However, the average peak Ecc value was significantly lower with SPAMM (−13.5%±3.3%) than with SENC (−21.6%±3.4%) (P<0.0001). The SENC method showed higher circumferential strain than the SPAMM method at 3T.

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