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Figure 1 | Journal of Cardiovascular Magnetic Resonance

Figure 1

From: Nonlinear myocardial perfusion imaging with motion corrected reconstruction: validation via quantitative flow mapping

Figure 1

N = 16 patients were scanned with FLASH (N = 8) and SSFP (N = 8) protocols which had moderate resolution: SR prepared FLASH/SSFP, 14°/50° flip angle, FOV 360 × 270 mm2, 8 mm slice thickness, 3 SAX slices, interleaved parallel acceleration R = 3, acquired matrix 192 × 111, ¾ partial Fourier, single shot imaging duration 53/67 ms. Pixel-wise MBF maps were computed inline for linear and nonlinear reconstruction using a L1 model free deconvolution method. A ROI was drawn in the myocardium for every SAX slice. The mean MBF values for all FLASH rest/stress cases are 1.16 ± 0.19/2.65 ± 0.31 (linear) and 1.13 ± 0.19/2.65 ± 0.32 (nonlinear). For SSFP, mean MBF are 1.06 ± 0.30/2.58 ± 0.43 (linear) and 1.05 ± 0.29/2.58 ± 0.43 (nonlinear). No significant differences were found between linear and nonlinear flow values.

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