M P Marks

Summary

Affiliation: Stanford University
Country: USA

Publications

  1. doi request reprint Cerebral proliferative angiopathy
    Michael P Marks
    Department of Radiology and Neurosurgery, Stanford University School of Medicine, Stanford, California 94305, USA
    J Neurointerv Surg 4:e25. 2012
  2. ncbi request reprint Evaluation of early computed tomographic findings in acute ischemic stroke
    M P Marks
    Stanford University, Stanford, CA, USA
    Stroke 30:389-92. 1999
  3. doi request reprint Is there a future for endovascular treatment of intracranial atherosclerotic disease after Stenting and Aggressive Medical Management for Preventing Recurrent Stroke and Intracranial Stenosis (SAMMPRIS)?
    Michael P Marks
    Departments of Radiology and Neurosurgery, Stanford University Medical Center, Stanford, CA 94305 5105, USA
    Stroke 43:580-4. 2012
  4. pmc Patients with acute stroke treated with intravenous tPA 3-6 hours after stroke onset: correlations between MR angiography findings and perfusion- and diffusion-weighted imaging in the DEFUSE study
    Michael P Marks
    Department of Radiology, Neurosurgery, Stanford University Medical Center, Stanford, CA 94305 5105, USA
    Radiology 249:614-23. 2008
  5. ncbi request reprint Outcome of angioplasty for atherosclerotic intracranial stenosis
    M P Marks
    Department of Radiology, Stanford Stroke Center, Stanford University Medical Center, California, 94305 5105, USA
    Stroke 30:1065-9. 1999
  6. ncbi request reprint Evaluation of early reperfusion and i.v. tPA therapy using diffusion- and perfusion-weighted MRI
    M P Marks
    Stanford Stroke Center, Stanford University Medical Center, CA 94305 5105, USA
    Neurology 52:1792-8. 1999
  7. ncbi request reprint Relationship between apparent diffusion coefficient and subsequent hemorrhagic transformation following acute ischemic stroke
    D C Tong
    Stanford Stroke Center, Palo Alto, Calif, USA
    Stroke 31:2378-84. 2000
  8. ncbi request reprint Hyperperfusion syndrome with hemorrhage after angioplasty for middle cerebral artery stenosis
    A Y Liu
    Department of Radiology, Stanford Stroke Center, Stanford University School of Medicine, Stanford, CA, USA
    AJNR Am J Neuroradiol 22:1597-601. 2001
  9. ncbi request reprint Yield of diffusion-weighted MRI for detection of potentially relevant findings in stroke patients
    G W Albers
    Stanford Stroke Center, Palo Alto, CA 94304, USA
    Neurology 54:1562-7. 2000
  10. ncbi request reprint Relationship between severity of MR perfusion deficit and DWI lesion evolution
    V N Thijs
    Stanford Stroke Center, Department of Neurology and Neurological Sciences, Stanford University Medical Center, Palo Alto, CA, USA
    Neurology 57:1205-11. 2001

Collaborators

Detail Information

Publications51

  1. doi request reprint Cerebral proliferative angiopathy
    Michael P Marks
    Department of Radiology and Neurosurgery, Stanford University School of Medicine, Stanford, California 94305, USA
    J Neurointerv Surg 4:e25. 2012
    ..This is the first case which documents the progressive proliferative changes seen with this abnormality...
  2. ncbi request reprint Evaluation of early computed tomographic findings in acute ischemic stroke
    M P Marks
    Stanford University, Stanford, CA, USA
    Stroke 30:389-92. 1999
    ..This study assessed the reliability of detection for these findings and their relationship to outcome...
  3. doi request reprint Is there a future for endovascular treatment of intracranial atherosclerotic disease after Stenting and Aggressive Medical Management for Preventing Recurrent Stroke and Intracranial Stenosis (SAMMPRIS)?
    Michael P Marks
    Departments of Radiology and Neurosurgery, Stanford University Medical Center, Stanford, CA 94305 5105, USA
    Stroke 43:580-4. 2012
    ..This article explores possible reasons for these outcomes and discusses some weaknesses of the trial. Against this background endovascular therapy should continue to be explored in the treatment of this disease...
  4. pmc Patients with acute stroke treated with intravenous tPA 3-6 hours after stroke onset: correlations between MR angiography findings and perfusion- and diffusion-weighted imaging in the DEFUSE study
    Michael P Marks
    Department of Radiology, Neurosurgery, Stanford University Medical Center, Stanford, CA 94305 5105, USA
    Radiology 249:614-23. 2008
    ..To study magnetic resonance (MR) angiography findings in patients with acute stroke treated with intravenous tissue plasminogen activator (tPA) in relationship to perfusion- and diffusion-weighted imaging changes and clinical outcome...
  5. ncbi request reprint Outcome of angioplasty for atherosclerotic intracranial stenosis
    M P Marks
    Department of Radiology, Stanford Stroke Center, Stanford University Medical Center, California, 94305 5105, USA
    Stroke 30:1065-9. 1999
    ..We sought to assess the long-term outcome and efficacy of percutaneous transluminal angioplasty in the treatment of symptomatic intracranial atherosclerotic stenoses...
  6. ncbi request reprint Evaluation of early reperfusion and i.v. tPA therapy using diffusion- and perfusion-weighted MRI
    M P Marks
    Stanford Stroke Center, Stanford University Medical Center, CA 94305 5105, USA
    Neurology 52:1792-8. 1999
    ..To characterize the effects of recombinant tissue plasminogen activator (rt-PA) therapy and early reperfusion on diffusion-weighted (DWI) and perfusion-weighted imaging (PWI) changes observed following acute ischemic injury...
  7. ncbi request reprint Relationship between apparent diffusion coefficient and subsequent hemorrhagic transformation following acute ischemic stroke
    D C Tong
    Stanford Stroke Center, Palo Alto, Calif, USA
    Stroke 31:2378-84. 2000
    ..We hypothesized that diffusion-weighted MRI might aid in the identification of such patients...
  8. ncbi request reprint Hyperperfusion syndrome with hemorrhage after angioplasty for middle cerebral artery stenosis
    A Y Liu
    Department of Radiology, Stanford Stroke Center, Stanford University School of Medicine, Stanford, CA, USA
    AJNR Am J Neuroradiol 22:1597-601. 2001
    ..To our knowledge, this is the first report of hyperperfusion syndrome after intracranial angioplasty of a distal MCA branch...
  9. ncbi request reprint Yield of diffusion-weighted MRI for detection of potentially relevant findings in stroke patients
    G W Albers
    Stanford Stroke Center, Palo Alto, CA 94304, USA
    Neurology 54:1562-7. 2000
    ..To determine whether diffusion-weighted imaging (DWI) could identify potentially clinically relevant findings in patients presenting more than 6 hours after stroke onset when compared with conventional MRI...
  10. ncbi request reprint Relationship between severity of MR perfusion deficit and DWI lesion evolution
    V N Thijs
    Stanford Stroke Center, Department of Neurology and Neurological Sciences, Stanford University Medical Center, Palo Alto, CA, USA
    Neurology 57:1205-11. 2001
    ....
  11. ncbi request reprint Prediction of hemorrhagic transformation following acute stroke: role of diffusion- and perfusion-weighted magnetic resonance imaging
    D C Tong
    Stanford Stroke Center, Palo Alto, CA 94304, USA
    Arch Neurol 58:587-93. 2001
    ..This information could be of value, particularly in individuals being considered for thrombolytic therapy...
  12. ncbi request reprint Is early ischemic lesion volume on diffusion-weighted imaging an independent predictor of stroke outcome? A multivariable analysis
    V N Thijs
    Stanford Stroke Center, Department of Neurology and Neurological Sciences, Stanford University Medical Center, Palo Alto, CA 94304 0117, USA
    Stroke 31:2597-602. 2000
    ..We investigated whether the volume of early ischemic brain lesions assessed with diffusion-weighted imaging (DWI) was an independent predictor of functional outcome...
  13. ncbi request reprint Neurologic complications of arteriovenous malformation embolization using liquid embolic agents
    M V Jayaraman
    Department of Radiology, Stanford University Medical Center, Stanford, Calif, USA
    AJNR Am J Neuroradiol 29:242-6. 2008
    ..The purpose of this study was to examine the overall neurologic complication rate in patients undergoing AVM embolization and analyze the factors that may determine increased risk...
  14. ncbi request reprint Association of early CT abnormalities, infarct size, and apparent diffusion coefficient reduction in acute ischemic stroke
    Diederik M Somford
    Stanford Stroke Center, Palo Alto, CA 94304, USA
    AJNR Am J Neuroradiol 25:933-8. 2004
    ..We examined the relationship between early CT findings, ischemic lesion volume on DW images, and edema subtype...
  15. ncbi request reprint Clinical importance of microbleeds in patients receiving IV thrombolysis
    W Kakuda
    Stanford Stroke Center, Stanford University Medical Center, Palo Alto, CA, USA
    Neurology 65:1175-8. 2005
    ..Cerebral microbleeds (MBs) detected on gradient echo (GRE) imaging may be a risk factor for hemorrhagic complications in patients with stroke treated with IV tissue plasminogen activator (tPA)...
  16. doi request reprint Intraoperative angiography for cranial dural arteriovenous fistula
    P Pandey
    Department of Radiology, Stanford University School of Medicine, California, USA
    AJNR Am J Neuroradiol 32:1091-5. 2011
    ..IA is a valuable adjunct during surgery for a variety of neurovascular diseases; however, there are no reported series describing IA for DAVFs. This study was undertaken to evaluate the safety and efficacy of IA for DAVFs...
  17. pmc Relationships between infarct growth, clinical outcome, and early recanalization in diffusion and perfusion imaging for understanding stroke evolution (DEFUSE)
    Jean Marc Olivot
    Department of Neurology and Neurological Sciences and the Stanford Stroke Center, Stanford University Medical Center, 701 Welch Road, Suite 325, Palo Alto, CA 94304, USA
    Stroke 39:2257-63. 2008
    ..The purpose of this study was to determine the relationships between ischemic lesion growth, recanalization, and clinical response in stroke patients with and without a perfusion/diffusion mismatch...
  18. ncbi request reprint Risk factors of symptomatic intracerebral hemorrhage after tPA therapy for acute stroke
    Maarten G Lansberg
    Stanford University, Stanford Stroke Center, Palo Alto, California 94304, USA
    Stroke 38:2275-8. 2007
    ..MRI-based variables have generally not been included in predictive models, and little is known about the influence of reperfusion on SICH risk...
  19. pmc Optimal Tmax threshold for predicting penumbral tissue in acute stroke
    Jean Marc Olivot
    Department of Neurology and Neurological Sciences and the Stanford Stroke Center, Stanford University Medical Center, Palo Alto, CA 94304, USA
    Stroke 40:469-75. 2009
    ..We sought to assess whether the volume of the ischemic penumbra can be estimated more accurately by altering the threshold selected for defining perfusion-weighting imaging (PWI) lesions...
  20. pmc Relationships between cerebral perfusion and reversibility of acute diffusion lesions in DEFUSE: insights from RADAR
    Jean Marc Olivot
    Department of Neurology, Stanford Stroke Center, Stanford University Medical Center, Palo Alto, CA 94304, USA
    Stroke 40:1692-7. 2009
    ..Acute ischemic lesions with restricted diffusion can resolve after early recanalization. The impact of superimposed perfusion abnormalities on the fate of acute diffusion lesions is unclear...
  21. doi request reprint Magnetic resonance imaging in the evaluation of acute stroke
    Jean Marc Olivot
    Department of Neurology and Neuroscience, Stanford Stroke Center, Stanford University Medical Center, Stanford, CA 94305, USA
    Top Magn Reson Imaging 19:225-30. 2008
    ..Computed tomographic perfusion parameters have also been calculated to optimize final infarct prediction. Both techniques await further study to prove their capability of selecting cases for short-term recanalization/reperfusion therapy...
  22. pmc Geography, structure, and evolution of diffusion and perfusion lesions in Diffusion and perfusion imaging Evaluation For Understanding Stroke Evolution (DEFUSE)
    Jean Marc Olivot
    Department of Neurology, Neurological Sciences and the Stanford Stroke Center, Stanford University Medical Center, Stanford, CA, USA
    Stroke 40:3245-51. 2009
    ..We investigated spatial relationships between final infarcts and early DWI/PWI lesions before and after intravenous thrombolysis in the Diffusion and perfusion imaging Evaluation For Understanding Stroke Evolution (DEFUSE) study...
  23. pmc Combined arterial spin label and dynamic susceptibility contrast measurement of cerebral blood flow
    Greg Zaharchuk
    Department of Radiology, Stanford University, Stanford, California 94305 5488, USA
    Magn Reson Med 63:1548-56. 2010
    ..These findings suggest that combining ASL and DSC perfusion measurements improves quantitative CBF measurements in patients with cerebrovascular disease...
  24. doi request reprint The MRA-DWI mismatch identifies patients with stroke who are likely to benefit from reperfusion
    Maarten G Lansberg
    Stanford Stroke Center, 701 Welch Road, Suite B325, Palo Alto, CA 94304 9705, USA
    Stroke 39:2491-6. 2008
    ....
  25. ncbi request reprint Magnetic resonance imaging profiles predict clinical response to early reperfusion: the diffusion and perfusion imaging evaluation for understanding stroke evolution (DEFUSE) study
    Gregory W Albers
    Department of Neurology and Neurological Sciences and the Stanford Stroke Center, Stanford University Medical Center, Stanford, CA 94304, USA
    Ann Neurol 60:508-17. 2006
    ..To determine whether prespecified baseline magnetic resonance imaging (MRI) profiles can identify stroke patients who have a robust clinical response after early reperfusion when treated 3 to 6 hours after symptom onset...
  26. ncbi request reprint Diffusion-weighted MR imaging in acute ischemia: value of apparent diffusion coefficient and signal intensity thresholds in predicting tissue at risk and final infarct size
    Dong Gyu Na
    Department of Radiology, Stanford University Medical Center, Stanford, CA 94305 5105, USA
    AJNR Am J Neuroradiol 25:1331-6. 2004
    ..This study was performed to determine whether pixel-based apparent diffusion coefficient (ADC) and signal intensity ratio are helpful diffusion-weighted (DW) imaging metrics to predict tissue at risk for infarction...
  27. ncbi request reprint Angioplasty for symptomatic intracranial stenosis: clinical outcome
    Michael P Marks
    Department of Radiology, Stanford University Medical Center, CA 94305 5105, USA
    Stroke 37:1016-20. 2006
    ..Medical treatment of symptomatic intracranial stenosis carries a high risk of stroke. This study was done to evaluate the clinical and angiographic outcomes after intracranial angioplasty for this disease...
  28. ncbi request reprint Treatment of traumatic cervical arteriovenous fistulas with N-butyl-2-cyanoacrylate
    M V Jayaraman
    Department of Radiology, Stanford University Medical Center, Stanford, Calif, USA
    AJNR Am J Neuroradiol 28:352-4. 2007
    ..Both fistulas were successfully treated with n-BCA embolization. To our knowledge, these are the first 2 such cases reported of high-flow cervical arteriovenous fistulas treated with n-BCA embolization...
  29. doi request reprint Experimental study of intracranial hematoma detection with flat panel detector C-arm CT
    H Arakawa
    Department of Radiology, Stanford University Medical Center, 300 Pasteur Dr, Stanford, CA 94305 5105, USA
    AJNR Am J Neuroradiol 29:766-72. 2008
    ..We evaluated its ability to detect small intracranial hematomas in a swine model...
  30. ncbi request reprint Intracranial angioplasty without stenting for symptomatic atherosclerotic stenosis: long-term follow-up
    Michael P Marks
    Department of Radiology, Stanford University Medical Center, Stanford, CA 94305, USA
    AJNR Am J Neuroradiol 26:525-30. 2005
    ..This study was undertaken to assess the efficacy and long-term clinical outcome of angioplasty without stent placement for patients with symptomatic intracranial stenosis...
  31. ncbi request reprint Endovascular embolization of the swine rete mirabile with Eudragit-E 100 polymer
    H Arakawa
    Department of Radiology, Stanford University Medical Center, Stanford, CA, USA
    AJNR Am J Neuroradiol 28:1191-6. 2007
    ..Both adhesive and nonabrasive embolic agents are available for arteriovenous malformation (AVM) embolization. The purpose of this study was to evaluate a novel ethanol-based nonadhesive liquid embolic material in a swine AVM model...
  32. ncbi request reprint MRI characteristics of cerebral air embolism from a venous source
    A Finley Caulfield
    Department of Neurology and Neurological Sciences, Stroke Center, Stanford University Medical Center, Palo Alto, CA, USA
    Neurology 66:945-6. 2006
  33. pmc MRI profile of the perihematomal region in acute intracerebral hemorrhage
    Jean Marc Olivot
    Department of Neurology and Neurological Sciences, Stanford Stroke Center, Stanford University Medical Center, Palo Alto, CA 94304, USA
    Stroke 41:2681-3. 2010
    ....
  34. ncbi request reprint Surgical and endovascular management of symptomatic posterior circulation fusiform aneurysms
    Bert A Coert
    Department of Neurosurgery, Stanford University School of Medicine, Stanford, California, USA
    J Neurosurg 106:855-65. 2007
    ..To evaluate the effects of their treatments, the authors retrospectively analyzed a consecutive series of patients with posterior circulation fusiform aneurysms treated at Stanford University Medical Center between 1991 and 2005...
  35. ncbi request reprint Mechanical thrombectomy following intravenous thrombolysis in the treatment of acute stroke
    Maarten G Lansberg
    Department of Neurology, Stanford University Medical Center, Stanford, Calif 94305, USA
    Arch Neurol 62:1763-5. 2005
    ..Treatment with intravenous thrombolytics followed by mechanical thrombectomy is a novel approach that may increase recanalization rates without compromising time to initiation of treatment...
  36. ncbi request reprint Parent vessel occlusion for vertebrobasilar fusiform and dissecting aneurysms
    R Leibowitz
    Stanford University Medical Center, CA 94305, USA
    AJNR Am J Neuroradiol 24:902-7. 2003
    ..We undertook this study to evaluate the perioperative (within 30 days) and follow-up outcomes for patients treated with permanent occlusion of the vertebral artery for vertebrobasilar fusiform and dissecting aneurysms...
  37. ncbi request reprint Morphologic assessment of middle cerebral artery aneurysms for endovascular treatment
    Mahesh V Jayaraman
    Department of Radiology, Brown University Rhode Island Hospital, Providence, RI 02903, USA
    J Stroke Cerebrovasc Dis 16:52-6. 2007
    ..The purpose of our study was to evaluate the incidence of specific morphologic features of MCA bifurcation aneurysms that may affect suitability for endovascular treatment...
  38. pmc Capsular warning syndrome caused by middle cerebral artery stenosis
    Jun Lee
    Department Neurology and Neurological Sciences and the Stanford Stroke Center, Stanford University Medical Center, 701 Welch Road, Suite 325, Palo Alto, Stanford, CA 94304, USA
    J Neurol Sci 296:115-20. 2010
    ..In select cases intracranial angioplasty, may be an effective treatment for patients with capsular warning syndrome...
  39. doi request reprint Multimodality treatment of posterior fossa arteriovenous malformations
    Michael E Kelly
    Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA 94305 5327, USA
    J Neurosurg 108:1152-61. 2008
    ..The authors present their experience with multimodality treatment of 76 posterior fossa AVMs, with an emphasis on Spetzler-Martin Grades III-V AVMs...
  40. ncbi request reprint Multimodality treatment of giant intracranial arteriovenous malformations
    Steven D Chang
    Department of Neurosurgery and the Stanford Stroke Center, Stanford University School of Medicine, Stanford, California 94305, USA
    Neurosurgery 53:1-11; discussion 11-3. 2003
    ..In this study, we reviewed the treatment, angiographic results, and clinical outcomes in 53 patients with giant AVMs who were treated at Stanford between 1987 and 2001...
  41. ncbi request reprint Aneurysmal subarachnoid hemorrhage in patients with Hunt and Hess grade 4 or 5: treatment using the Guglielmi detachable coil system
    Raymond U Weir
    Department of Radiology, Stanford University Medical Center, CA 94305 5105, USA
    AJNR Am J Neuroradiol 24:585-90. 2003
    ..We assessed the outcome of patients with Hunt and Hess grade 4 or 5 who were treated with Guglielmi detachable coil (GDC) embolization...
  42. ncbi request reprint Neurophysiological monitoring in the endovascular therapy of aneurysms
    Amon Y Liu
    Stanford University Medical Center, Stanford, CA, USA
    AJNR Am J Neuroradiol 24:1520-7. 2003
    ..We undertook this study to evaluate the efficacy of neurophysiological monitoring (NPM) techniques in the detection of ischemic changes that may be seen during endovascular treatment of cerebral aneurysms...
  43. doi request reprint Clinical outcome after 450 revascularization procedures for moyamoya disease. Clinical article
    Raphael Guzman
    Department of Neurosurgery, Stanford University School of Medicine, Stanford, California 94305 5487, USA
    J Neurosurg 111:927-35. 2009
    ..They report on a consecutive series of patients treated for MMD and detail their demographics, clinical characteristics, and long-term surgical outcomes...
  44. ncbi request reprint Mechanical thrombectomy for acute stroke
    Eric J Versnick
    Department of Radiology, Stanford University Medical Center, Stanford, CA 94305, USA
    AJNR Am J Neuroradiol 26:875-9. 2005
    ..We evaluated a mechanical thrombectomy protocol to treat acute stroke and report the angiographic results and clinical outcomes...
  45. ncbi request reprint Progression of unilateral moyamoya disease: A clinical series
    Michael E Kelly
    Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA 94305 5327, USA
    Cerebrovasc Dis 22:109-15. 2006
    ..The natural history of unilateral moyamoya disease (MMD) in adult patients is not clearly described in the literature. We present a series of 18 patients with unilateral MMD and analyze the risk factors for progression to bilateral disease...
  46. ncbi request reprint Hemorrhage rate in patients with Spetzler-Martin grades IV and V arteriovenous malformations: is treatment justified?
    Mahesh V Jayaraman
    Department of Radiology, Stanford University Medical Center, Room S 047, 300 Pasteur Dr, Stanford, CA 94305 5105, USA
    Stroke 38:325-9. 2007
    ..We sought to examine the prospective annual risk of hemorrhage in patients harboring Spetzler-Martin grades IV and V arteriovenous malformations (AVMs) before and after initiation of treatment...
  47. ncbi request reprint Deep arteriovenous malformations of the basal ganglia and thalamus: natural history
    Ian G Fleetwood
    Department of Neurosurgery, Division of Neuroradiology, and Stanford Stroke Center, Stanford University, California 94305 5327, USA
    J Neurosurg 98:747-50. 2003
    ..Despite this, the natural history of AVMs of the basal ganglia and thalamus has not been well studied...
  48. ncbi request reprint Safety and efficacy of mechanical embolectomy in acute ischemic stroke: results of the MERCI trial
    Wade S Smith
    Department of Neurology, University of California, 505 Parnassus Avenue, San Francisco, CA 94143 0114, USA
    Stroke 36:1432-8. 2005
    ..An alternative strategy for opening intracranial vessels during stroke is mechanical embolectomy, especially for patients ineligible for intravenous tPA...
  49. doi request reprint Optimal definition for PWI/DWI mismatch in acute ischemic stroke patients
    Wataru Kakuda
    Department of Rehabilitation Medicine, Jikei University School of Medicine, Minato ku, Tokyo, Japan
    J Cereb Blood Flow Metab 28:887-91. 2008
    ..Defining mismatch with a larger PWI/DWI ratio may provide greater power for detecting beneficial effects of reperfusion...
  50. doi request reprint Predictors and outcomes of intraprocedural rupture in patients treated for ruptured intracranial aneurysms: the CARAT study
    Lucas Elijovich
    Department of Neurology, University of California San Francisco, San Francisco, CA 94143 0114, USA
    Stroke 39:1501-6. 2008
    ..Intraprocedural rupture (IPR) is a well known complication of intracranial aneurysm treatment. Risks and predictors of IPR and its impact on outcome have not been clearly established...
  51. ncbi request reprint Dissection of the V4 segment of the vertebral artery: clinicoradiologic manifestations and endovascular treatment
    Woong Yoon
    Department of Radiology, Chonnam National University Hospital, Chonnam National University Medical School, 501 757Dong gu, Gwangju, 501 757, South Korea
    Eur Radiol 17:983-93. 2007
    ..Endovascular treatment, such as stent-assisted angioplasty or coil occlusion at the dissection site, can be performed in selected patients with posterior fossa ischemic symptoms...