M Markl

Summary

Affiliation: Stanford University
Country: USA

Publications

  1. ncbi request reprint Flow effects in balanced steady state free precession imaging
    M Markl
    Department of Radiology, Stanford University, Stanford, California 94304, USA
    Magn Reson Med 50:892-903. 2003
  2. ncbi request reprint Time-resolved three-dimensional phase-contrast MRI
    Michael Markl
    Department of Radiology, Stanford University, Stanford, California 94304, USA
    J Magn Reson Imaging 17:499-506. 2003
  3. ncbi request reprint Balanced phase-contrast steady-state free precession (PC-SSFP): a novel technique for velocity encoding by gradient inversion
    M Markl
    Department of Radiology, Stanford University, Palo Alto, California 94304, USA
    Magn Reson Med 49:945-52. 2003
  4. ncbi request reprint Generalized reconstruction of phase contrast MRI: analysis and correction of the effect of gradient field distortions
    M Markl
    Department of Radiology, Stanford University, Stanford, California 94304, USA
    Magn Reson Med 50:791-801. 2003
  5. ncbi request reprint Steady-state free precession MR imaging: improved myocardial tag persistence and signal-to-noise ratio for analysis of myocardial motion
    Michael Markl
    Department of Radiology, Stanford University, Lucas MRI S Center, 1201 Welch Rd, Rm P 284, Palo Alto, CA 94304, USA
    Radiology 230:852-61. 2004
  6. ncbi request reprint Time-resolved 3-dimensional velocity mapping in the thoracic aorta: visualization of 3-directional blood flow patterns in healthy volunteers and patients
    Michael Markl
    Department of Radiology, Stanford University, Stanford, CA 94304, USA
    J Comput Assist Tomogr 28:459-68. 2004
  7. ncbi request reprint Analysis and generalized correction of the effect of spatial gradient field distortions in diffusion-weighted imaging
    R Bammer
    Lucas MRS I Center, Department of Radiology, Stanford University, Stanford, California 94305, USA
    Magn Reson Med 50:560-9. 2003
  8. ncbi request reprint Time-resolved 3D MR velocity mapping at 3T: improved navigator-gated assessment of vascular anatomy and blood flow
    Michael Markl
    Department of Diagnostic Radiology, Medical Physics, University Hospital Freiburg, Freiburg, Germany
    J Magn Reson Imaging 25:824-31. 2007
  9. ncbi request reprint Visualization of hemodynamics in intracranial arteries using time-resolved three-dimensional phase-contrast MRI
    Shuhei Yamashita
    Department of Radiology, Hamamatsu University School of Medicine, Shizuoka, Japan
    J Magn Reson Imaging 25:473-8. 2007
  10. ncbi request reprint Time-resolved, 3-dimensional magnetic resonance flow analysis at 3 T: visualization of normal and pathological aortic vascular hemodynamics
    Alex Frydrychowicz
    Department of Diagnostic Radiology, University Hospital Freiburg, Freiburg, Germany
    J Comput Assist Tomogr 31:9-15. 2007

Detail Information

Publications41

  1. ncbi request reprint Flow effects in balanced steady state free precession imaging
    M Markl
    Department of Radiology, Stanford University, Stanford, California 94304, USA
    Magn Reson Med 50:892-903. 2003
    ..This results in a frequency dependence of in-flow related signal enhancement and flow artifacts...
  2. ncbi request reprint Time-resolved three-dimensional phase-contrast MRI
    Michael Markl
    Department of Radiology, Stanford University, Stanford, California 94304, USA
    J Magn Reson Imaging 17:499-506. 2003
    ....
  3. ncbi request reprint Balanced phase-contrast steady-state free precession (PC-SSFP): a novel technique for velocity encoding by gradient inversion
    M Markl
    Department of Radiology, Stanford University, Palo Alto, California 94304, USA
    Magn Reson Med 49:945-52. 2003
    ....
  4. ncbi request reprint Generalized reconstruction of phase contrast MRI: analysis and correction of the effect of gradient field distortions
    M Markl
    Department of Radiology, Stanford University, Stanford, California 94304, USA
    Magn Reson Med 50:791-801. 2003
    ..Results of phantom measurements demonstrate that effects of gradient field nonuniformity on PC-MRI can be corrected with the proposed method...
  5. ncbi request reprint Steady-state free precession MR imaging: improved myocardial tag persistence and signal-to-noise ratio for analysis of myocardial motion
    Michael Markl
    Department of Radiology, Stanford University, Lucas MRI S Center, 1201 Welch Rd, Rm P 284, Palo Alto, CA 94304, USA
    Radiology 230:852-61. 2004
    ..Increased SNR and tag persistence can be achieved simultaneously with SSFP imaging compared with SPGR tagging methods. As a result, the proposed technique may be useful for analysis of diastolic ventricular function...
  6. ncbi request reprint Time-resolved 3-dimensional velocity mapping in the thoracic aorta: visualization of 3-directional blood flow patterns in healthy volunteers and patients
    Michael Markl
    Department of Radiology, Stanford University, Stanford, CA 94304, USA
    J Comput Assist Tomogr 28:459-68. 2004
    ..Various visualization tools were used to analyze blood flow patterns within a single 3-component velocity volumetric acquisition of the entire thoracic aorta..
  7. ncbi request reprint Analysis and generalized correction of the effect of spatial gradient field distortions in diffusion-weighted imaging
    R Bammer
    Lucas MRS I Center, Department of Radiology, Stanford University, Stanford, California 94305, USA
    Magn Reson Med 50:560-9. 2003
    ..With the proposed correction scheme, most of the errors introduced by gradient nonuniformities can be removed...
  8. ncbi request reprint Time-resolved 3D MR velocity mapping at 3T: improved navigator-gated assessment of vascular anatomy and blood flow
    Michael Markl
    Department of Diagnostic Radiology, Medical Physics, University Hospital Freiburg, Freiburg, Germany
    J Magn Reson Imaging 25:824-31. 2007
    ..To evaluate an improved image acquisition and data-processing strategy for assessing aortic vascular geometry and 3D blood flow at 3T...
  9. ncbi request reprint Visualization of hemodynamics in intracranial arteries using time-resolved three-dimensional phase-contrast MRI
    Shuhei Yamashita
    Department of Radiology, Hamamatsu University School of Medicine, Shizuoka, Japan
    J Magn Reson Imaging 25:473-8. 2007
    ..To visualize the hemodynamics of the intracranial arteries using time-resolved three-dimensional phase-contrast (PC)-MRI (4D-Flow)...
  10. ncbi request reprint Time-resolved, 3-dimensional magnetic resonance flow analysis at 3 T: visualization of normal and pathological aortic vascular hemodynamics
    Alex Frydrychowicz
    Department of Diagnostic Radiology, University Hospital Freiburg, Freiburg, Germany
    J Comput Assist Tomogr 31:9-15. 2007
    ....
  11. ncbi request reprint Accelerated time-resolved 3D contrast-enhanced MR angiography at 3T: clinical experience in 31 patients
    Alex Frydrychowicz
    Department of Diagnostic Radiology and Medical Physics, University Hospital Freiburg, Hugstetter Str 55, 79106 Freiburg, Germany
    MAGMA 19:187-95. 2006
    ....
  12. ncbi request reprint High resolution 3T MRI for the assessment of cervical and superficial cranial arteries in giant cell arteritis
    Michael Markl
    Department of Diagnostic Radiology, Medical Physics, University Hospital Freiburg, Freiburg, Germany
    J Magn Reson Imaging 24:423-7. 2006
    ..1 mmol/kg) contrast agent administration and a dedicated phased-array head and neck coil at 3T...
  13. ncbi request reprint Visualization of vascular hemodynamics in a case of a large patent ductus arteriosus using flow sensitive 3D CMR at 3T
    Alex Frydrychowicz
    Department of Diagnostic Radiology, University Hospital Freiburg Freiburg, Germany
    J Cardiovasc Magn Reson 9:585-7. 2007
    ..These results illustrate the feasibility of flow sensitive 3D CMR at 3T in relation to a potential field of clinical application such as congenital heart disease with abnormal vascular connections or shunt flow...
  14. ncbi request reprint Visualization of iliac and proximal femoral artery hemodynamics using time-resolved 3D phase contrast MRI at 3T
    Alex Frydrychowicz
    Department of Diagnostic Radiology, University Hospital Freiburg, Hugstetter Strasse 55, 79106 Freiburg, Germany
    J Magn Reson Imaging 25:1085-92. 2007
    ..To demonstrate the feasibility of time-resolved 3D MR velocity mapping at 3 Tesla for the visualization of vascular hemodynamics in normal iliac and femoral arteries...
  15. ncbi request reprint Comparison of flow patterns in ascending aortic aneurysms and volunteers using four-dimensional magnetic resonance velocity mapping
    Thomas A Hope
    Department of Radiology, Stanford University, Stanford, California 94304, USA
    J Magn Reson Imaging 26:1471-9. 2007
    ..To determine the difference in flow patterns between healthy volunteers and ascending aortic aneurysm patients using time-resolved three-dimensional (3D) phase contrast magnetic resonance velocity (4D-flow) profiling...
  16. ncbi request reprint Plaques in the descending aorta: a new risk factor for stroke? Visualization of potential embolization pathways by 4D MRI
    Andreas Harloff
    Department of Neurology and Clinical Neurophysiology, University Hospital Freiburg, Freiburg, Germany
    J Magn Reson Imaging 26:1651-5. 2007
    ..Our findings indicate that taking plaques of the descending aorta into consideration may help improve the spectrum of pathologies considered as high-risk sources for brain ischemia...
  17. doi request reprint Time-resolved magnetic resonance angiography and flow-sensitive 4-dimensional magnetic resonance imaging at 3 Tesla for blood flow and wall shear stress analysis
    Alex Frydrychowicz
    Department of Diagnostic Radiology and Medical Physics, University Hospital Freiburg, Freiburg, Germany
    J Thorac Cardiovasc Surg 136:400-7. 2008
    ....
  18. ncbi request reprint Optimized 3D bright blood MRI of aortic plaque at 3 T
    Michael Markl
    Department of Diagnostic Radiology, Medical Physics, University Hospital Freiburg, 79106 Freiburg, Germany
    Magn Reson Imaging 26:330-6. 2008
    ....
  19. doi request reprint In vivo visualization and analysis of 3-D hemodynamics in cerebral aneurysms with flow-sensitized 4-D MR imaging at 3 T
    Stephan Meckel
    Department of Neuroradiology, Institute of Radiology, University Hospital Basel, Petersgraben 4, 4031 Basel, Switzerland
    Neuroradiology 50:473-84. 2008
    ..The purpose of this study was to evaluate the feasibility of in vivo flow-sensitized 4-D MR imaging for analysis of intraaneurysmal hemodynamics...
  20. ncbi request reprint Ascending-descending aortic bypass surgery in aortic arch coarctation: four-dimensional magnetic resonance flow analysis
    Alex Frydrychowicz
    Department of Diagnostic Radiology, University Hospital Freiburg, Freiburg, Germany
    J Thorac Cardiovasc Surg 133:260-2. 2007
  21. ncbi request reprint Visualization of tissue velocity data from cardiac wall motion measurements with myocardial fiber tracking: principles and implications for cardiac fiber structures
    Bernd André Jung
    Department of Diagnostic Radiology, Medical Physics, Hugstetterstr 55, D 79106 Freiburg, University of Freiburg, Germany
    Eur J Cardiothorac Surg 29:S158-64. 2006
    ..Fiber orientation is inherently linked to cardiac wall motion, which can be measured with phase contrast magnetic resonance imaging (MRI), also termed tissue phase mapping (TPM)...
  22. ncbi request reprint Fast phase contrast cardiac magnetic resonance imaging: improved assessment and analysis of left ventricular wall motion
    Michael Markl
    University of Freiburg, Department of Radiology, Section of Medical Physics, Freiburg, Germany
    J Magn Reson Imaging 15:642-53. 2002
    ....
  23. ncbi request reprint Multicoil Dixon chemical species separation with an iterative least-squares estimation method
    Scott B Reeder
    Department of Radiology, Stanford University Medical Center, Stanford, California 94304, USA
    Magn Reson Med 51:35-45. 2004
    ..An analysis of the noise performance of this method is described, and methods to improve noise performance through multicoil acquisition and field map smoothing are discussed...
  24. ncbi request reprint Images in cardiovascular medicine. Four-dimensional magnetic resonance velocity mapping in a healthy volunteer with pseudocoarctation of the thoracic aorta
    Michael D Hope
    Department of Radiology, Stanford University School of Medicine, Stanford, Calif 94305 5488, USA
    Circulation 109:3221-2. 2004
  25. ncbi request reprint Quantification of vessel wall motion and cyclic strain using cine phase contrast MRI: in vivo validation in the porcine aorta
    Mary T Draney
    Department of Mechanical Engineering, Stanford University, Stanford, California 94305 5431, USA
    Magn Reson Med 52:286-95. 2004
    ..6%. This study demonstrates that it is feasible to accurately quantify strain from low wall velocities in vivo and that the porcine thoracic aorta does not deform uniformly...
  26. ncbi request reprint On flow effects in balanced steady-state free precession imaging: pictorial description, parameter dependence, and clinical implications
    Michael Markl
    Department of Radiology, Stanford University, Stanford, California, USA
    J Magn Reson Imaging 20:697-705. 2004
    ....
  27. ncbi request reprint Measurement of left ventricular velocities: phase contrast MRI velocity mapping versus tissue-doppler-ultrasound in healthy volunteers
    Bernd Jung
    Department of Radiology, Section of Medical Physics, University of Freiburg, Freiburg, Germany
    J Cardiovasc Magn Reson 6:777-83. 2004
    ..97. The in vivo study in 29 healthy volunteers demonstrates a high validity of time-resolved phase contrast measurements for the analysis of left ventricular myocardial velocities...
  28. ncbi request reprint Time-resolved three-dimensional magnetic resonance velocity mapping of aortic flow in healthy volunteers and patients after valve-sparing aortic root replacement
    Michael Markl
    Department of Radiology, Stanford University, CA 94304, USA
    J Thorac Cardiovasc Surg 130:456-63. 2005
    ..To provide more complete characterization of ascending aortic blood flow, including vortex formation behind the valve cusps, in healthy subjects and patients after valve-sparing aortic root replacement (David reimplantation)...
  29. ncbi request reprint Rapid vessel prototyping: vascular modeling using 3t magnetic resonance angiography and rapid prototyping technology
    Michael Markl
    Department of Diagnostic Radiology, Medical Physics, University Hospital Freiburg, Hugstetter Strasse 55, Freiburg, 79106, Germany
    MAGMA 18:288-92. 2005
    ..Conversion of thoracic aortic vasculature as measured by Magnetic Resonance Imaging into a real physical replica...
  30. ncbi request reprint Navigator gated high temporal resolution tissue phase mapping of myocardial motion
    Bernd Jung
    Department of Diagnostic Radiology, Medical Physics, University Hospital, Freiburg, Germany
    Magn Reson Med 55:937-42. 2006
    ....
  31. ncbi request reprint Investigating myocardial motion by MRI using tissue phase mapping
    Bernd Jung
    Department of Diagnostic Radiology, Medical Physics, University Hospital, Freiburg University, Hugstetterstr 55, 79106 Freiburg, Germany
    Eur J Cardiothorac Surg 29:S150-7. 2006
    ..In contrast to other imaging modalities such as echocardiography left ventricular performance can be assessed without limited anatomical or functional coverage...
  32. ncbi request reprint Images in cardiovascular medicine. Time-resolved 3-dimensional magnetic resonance velocity mapping at 3 T reveals drastic changes in flow patterns in a partially thrombosed aortic arch
    Alex Frydrychowicz
    Department of Diagnostic Radiology, University Hospital, Albert Ludwigs University, Freiburg, Germany
    Circulation 113:e460-1. 2006
  33. doi request reprint Images in cardiovascular medicine. In vivo 3-dimensional flow connectivity mapping after extracardiac total cavopulmonary connection
    Alex Frydrychowicz
    University Hospital Freiburg, Department of Diagnostic Radiology and Medical Physics, Hugstetter Str 55, 79106 Freiburg, Germany
    Circulation 118:e16-7. 2008
  34. pmc Multidirectional flow analysis by cardiovascular magnetic resonance in aneurysm development following repair of aortic coarctation
    Alex Frydrychowicz
    Department of Diagnostic Radiology, Medical Physics, University Hospital Freiburg, Germany
    J Cardiovasc Magn Reson 10:30. 2008
    ....
  35. ncbi request reprint T2-weighted balanced SSFP imaging (T2-TIDE) using variable flip angles
    Dominik Paul
    Department of Diagnostic Radiology, Medical Physics, University Hospital Freiburg, Freiburg, Germany
    Magn Reson Med 56:82-93. 2006
    ..T2-TIDE is a robust technique for acquiring T2-weighted images while exploiting the advantages of b-SSFP imaging, such as high signal-to-noise ratio (SNR) and short TRs...
  36. ncbi request reprint Three-dimensional magnetic resonance flow analysis in a ventricular assist device
    Michael Markl
    Department of Diagnostic Radiology, Medical Physics, University Hospital Freiburg, Germany
    J Thorac Cardiovasc Surg 134:1471-6. 2007
    ..Combination with flow-sensitive magnetic resonance imaging at 3 T permitted the detailed analysis of local and global 3-dimensional flow dynamics in a realistic environment...
  37. ncbi request reprint Detailed analysis of myocardial motion in volunteers and patients using high-temporal-resolution MR tissue phase mapping
    Bernd Jung
    Department of Diagnostic Radiology, Medical Physics, University Hospital, Freiburg, Germany
    J Magn Reson Imaging 24:1033-9. 2006
    ..To detect and investigate details in left ventricular (LV) motion patterns with a temporal resolution comparable to that of echocardiography...
  38. ncbi request reprint MRI myocardial motion and fiber tracking: a confirmation of knowledge from different imaging modalities
    Gerald D Buckberg
    Option on Bioengineering, California Institute of Technology, Pasadena, CA, USA
    Eur J Cardiothorac Surg 29:S165-77. 2006
    ....
  39. ncbi request reprint Sclerotic aortic valve: flow-sensitive 4-dimensional magnetic resonance imaging reveals 3 distinct flow-pattern changes
    Michael Markl
    University Hospital Freiburg, Department of Diagnostic Radiology Medical Physics, Hugstetter Strasse 55, 79106 Freiburg, Germany
    Circulation 116:e336-7. 2007
  40. ncbi request reprint Cardiac CINE imaging with IDEAL water-fat separation and steady-state free precession
    Scott B Reeder
    Department of Radiology, Stanford University Medical Center, Stanford, California, USA
    J Magn Reson Imaging 22:44-52. 2005
    ..To decompose multicoil CINE steady-state free precession (SSFP) cardiac images acquired at short echo time (TE) increments into separate water and fat images, using an iterative least-squares "Dixon" (IDEAL) method...
  41. ncbi request reprint Bilateral ce-MR angiography of the hands at 3.0 T and 1.5 T: intraindividual comparison of quantitative and qualitative image parameters in healthy volunteers
    Jan Thorsten Winterer
    Department of Diagnostic Radiology, University of Freiburg, Hugstetter Str 55, 79106, Freiburg, Germany
    Eur Radiol 18:658-64. 2008
    ..Saturation affects more the SNR of the perivascular tissue than the contrast-enhanced blood, and thus leads to a marked increase of CNR at 3.0...