Dynamic ASL and T2*‐weighted MRI in exercising calf muscle at 7 T: A feasibility study

The aim of this study was to develop a measurement protocol for noninvasive simultaneous perfusion quantification and T2*‐weighted MRI acquisition in the exercising calf muscle at 7 Tesla.

[1]  E. Moser,et al.  Dynamic interleaved 1H/31P STEAM MRS at 3 Tesla using a pneumatic force-controlled plantar flexion exercise rig , 2005, Magnetic Resonance Materials in Physics, Biology and Medicine.

[2]  Theodore F. Towse,et al.  Effect of physical activity on MRI-measured blood oxygen level-dependent transients in skeletal muscle after brief contractions. , 2005, Journal of applied physiology.

[3]  Theodore F. Towse,et al.  BOLD MRI mapping of transient hyperemia in skeletal muscle after single contractions , 2004, NMR in biomedicine.

[4]  Jan M Warnking,et al.  Bandwidth‐modulated adiabatic RF pulses for uniform selective saturation and inversion , 2004, Magnetic resonance in medicine.

[5]  J T Vaughan,et al.  Determination of skeletal muscle perfusion using arterial spin labeling NMRI: Validation by comparison with venous occlusion plethysmography , 2001, Magnetic resonance in medicine.

[6]  R. Weisskoff,et al.  Perfusion changes in human skeletal muscle during reactive hyperemia measured by echo‐planar imaging , 1996, Magnetic resonance in medicine.

[7]  Carolynn Patten,et al.  T2 mapping of muscle. , 2003, Seminars in musculoskeletal radiology.

[8]  L. Gaal,et al.  Assessing the impact of complications on the costs of Type II diabetes , 2002, Diabetologia.

[9]  Seong-Gi Kim Quantification of relative cerebral blood flow change by flow‐sensitive alternating inversion recovery (FAIR) technique: Application to functional mapping , 1995, Magnetic resonance in medicine.

[10]  J K Kim,et al.  Tracking oxygen effects on MR signal in blood and skeletal muscle during hyperoxia exposure , 1999, Journal of magnetic resonance imaging : JMRI.

[11]  B. Prior,et al.  Functional Magnetic Resonance Imaging of Muscle , 2000, Exercise and sport sciences reviews.

[12]  P. Carlier,et al.  Simultaneous measurement of perfusion and oxygenation changes using a multiple gradient-echo sequence: application to human muscle study. , 1998, Magnetic resonance imaging.

[13]  David L. Thomas,et al.  Measuring Cerebral Blood Flow Using Magnetic Resonance Imaging Techniques , 1999, Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism.

[14]  John C Gore,et al.  Comparison of MRI with EMG to study muscle activity associated with dynamic plantar flexion. , 2003, Magnetic resonance imaging.

[15]  Ewald Moser,et al.  Exercising calf muscle changes correlate with pH, PCr recovery and maximum oxidative phosphorylation , 2014, NMR in biomedicine.

[16]  P. Carlier,et al.  Influence of vascular filling and perfusion on BOLD contrast during reactive hyperemia in human skeletal muscle , 2006, Magnetic resonance in medicine.

[17]  R B Buxton,et al.  Dynamic imaging of perfusion in human skeletal muscle during exercise with arterial spin labeling , 1999, Magnetic resonance in medicine.

[18]  K. Uğurbil,et al.  Magnetic field and tissue dependencies of human brain longitudinal 1H2O relaxation in vivo , 2007, Magnetic resonance in medicine.

[19]  E. Moser,et al.  Automatic model‐based analysis of skeletal muscle BOLD‐MRI in reactive hyperemia , 2013, Journal of Magnetic Resonance Imaging.

[20]  P. Carlier,et al.  Evidence of muscle BOLD effect revealed by simultaneous interleaved gradient‐echo NMRI and myoglobin NMRS during leg ischemia , 1998, Magnetic resonance in medicine.

[21]  P. Carlier,et al.  Multiparametric NMR-based assessment of skeletal muscle perfusion and metabolism during exercise in elderly persons: preliminary findings. , 2009, The journals of gerontology. Series A, Biological sciences and medical sciences.

[22]  V. Gulani,et al.  Intracellular acidification and volume increases explain R2 decreases in exercising muscle , 2002, Magnetic resonance in medicine.

[23]  J Wang,et al.  Effects of the apparent transverse relaxation time on cerebral blood flow measurements obtained by arterial spin labeling , 2005, Magnetic resonance in medicine.

[24]  M. Noseworthy,et al.  BOLD Magnetic Resonance Imaging of Skeletal Muscle , 2003, Seminars in musculoskeletal radiology.

[25]  Ewald Moser,et al.  A form‐fitted three channel 31P, two channel 1H transceiver coil array for calf muscle studies at 7 T , 2015, Magnetic resonance in medicine.

[26]  P. Bandettini,et al.  QUIPSS II with thin‐slice TI1 periodic saturation: A method for improving accuracy of quantitative perfusion imaging using pulsed arterial spin labeling , 1999, Magnetic resonance in medicine.

[27]  Ewald Moser,et al.  7‐T MR—from research to clinical applications? , 2012, NMR in biomedicine.

[28]  G. Heinze,et al.  Heme arginate improves reperfusion patterns after ischemia: a randomized, placebo-controlled trial in healthy male subjects , 2012, Journal of Cardiovascular Magnetic Resonance.

[29]  Ewald Moser,et al.  Comparing localized and nonlocalized dynamic 31P magnetic resonance spectroscopy in exercising muscle at 7T , 2012, Magnetic resonance in medicine.

[30]  F. Schick,et al.  Quantitative ASL muscle perfusion imaging using a FAIR‐TrueFISP technique at 3.0 T , 2006, NMR in biomedicine.

[31]  R W Cox,et al.  Simultaneous gradient‐echo/spin‐echo EPI of graded ischemia in human skeletal muscle , 1998, Journal of magnetic resonance imaging : JMRI.

[32]  T. Floyd,et al.  Hyperemic flow heterogeneity within the calf, foot, and forearm measured with continuous arterial spin labeling MRI. , 2008, American journal of physiology. Heart and circulatory physiology.

[33]  J. Gore,et al.  Physiological basis of muscle functional MRI: predictions using a computer model. , 2005, Journal of applied physiology.

[34]  L. White,et al.  T2*-weighted and arterial spin labeling MRI of calf muscles in healthy volunteers and patients with chronic exertional compartment syndrome: preliminary experience. , 2009, AJR. American journal of roentgenology.

[35]  J. Mallow,et al.  A form-fitted 3 channel 31P, two channel 1H transceive coil for calf muscle studies at 7 T , 2013 .