Steven W Hetts

Summary

Affiliation: University of California
Country: USA

Publications

  1. ncbi request reprint Bilateral cervical spinal dural arteriovenous fistulas with intracranial venous drainage mimicking a foramen magnum dural arteriovenous fistula
    Steven W Hetts
    Department of Radiology and Biomedical Imaging University of California San Francisco, CA, USA
    Interv Neuroradiol 19:483-8. 2013
  2. doi request reprint Pediatric intracranial nongalenic pial arteriovenous fistulas: clinical features, angioarchitecture, and outcomes
    S W Hetts
    Department of Radiology, University of California San Francisco, San Francisco, California, USA
    AJNR Am J Neuroradiol 33:1710-9. 2012
  3. pmc Delayed transcutaneous extrusion of embolic coils after embolization of facial artery pseudoaneurysm
    S W Hetts
    Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA, USA
    Interv Neuroradiol 18:353-7. 2012
  4. pmc Remote control catheter navigation: options for guidance under MRI
    Leah Muller
    Department of Radiology and Biomedical Imaging, University of California San Francisco, 505 Parnassus Avenue, L 352, San Francisco, CA 94143 0628, USA
    J Cardiovasc Magn Reson 14:33. 2012
  5. doi request reprint Coronary microemboli effects in preexisting acute infarcts in a swine model: cardiac MR imaging indices, injury biomarkers, and histopathologic assessment
    Maythem Saeed
    Department of Radiology and Biomedical Imaging, School of Medicine, University of California San Francisco, 185 Berry St, Suite 350, Campus Box 0946, San Francisco, CA 94107 5705, USA
    Radiology 268:98-108. 2013
  6. pmc RF Heating of MRI-Assisted Catheter Steering Coils for Interventional MRI
    Fabio Settecase
    Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue, L 352, San Francisco, CA 94143 0628, USA
    Acad Radiol 18:277-85. 2011
  7. doi request reprint Safety of retained microcatheters: an evaluation of radiofrequency heating in endovascular microcatheters with nitinol, tungsten, and polyetheretherketone braiding at 1.5 T and 3 T
    Aaron D Losey
    Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
    J Neurointerv Surg 6:314-9. 2014
  8. ncbi request reprint Endovascular biopsy: evaluating the feasibility of harvesting endothelial cells using detachable coils
    Daniel L Cooke
    Department of Radiology and Biomedical Imaging University of California San Francisco, CA, USA
    Interv Neuroradiol 19:399-408. 2013
  9. doi request reprint Density of thrombus on admission CT predicts revascularization efficacy in large vessel occlusion acute ischemic stroke
    Parham Moftakhar
    Departments of Radiology and Biomedical Imaging, University of California, San Francisco, CA 94143, USA
    Stroke 44:243-5. 2013
  10. pmc Magnetic catheter manipulation in the interventional MR imaging environment
    Mark W Wilson
    Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA 94107, USA
    J Vasc Interv Radiol 24:885-91. 2013

Collaborators

Detail Information

Publications33

  1. ncbi request reprint Bilateral cervical spinal dural arteriovenous fistulas with intracranial venous drainage mimicking a foramen magnum dural arteriovenous fistula
    Steven W Hetts
    Department of Radiology and Biomedical Imaging University of California San Francisco, CA, USA
    Interv Neuroradiol 19:483-8. 2013
    ..The mechanism of myelopathy through venous hypertension produced by spinal dural fistulas is also emphasized. ..
  2. doi request reprint Pediatric intracranial nongalenic pial arteriovenous fistulas: clinical features, angioarchitecture, and outcomes
    S W Hetts
    Department of Radiology, University of California San Francisco, San Francisco, California, USA
    AJNR Am J Neuroradiol 33:1710-9. 2012
    ..NGAVFs are rare vascular malformations usually presenting in infancy or childhood. We sought to identify clinical and angiographic predictors of clinical outcome for these lesions...
  3. pmc Delayed transcutaneous extrusion of embolic coils after embolization of facial artery pseudoaneurysm
    S W Hetts
    Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA, USA
    Interv Neuroradiol 18:353-7. 2012
    ..We review the literature for related cases of coil extrusion in the head and neck, and discuss the implications for pseudoaneurysm surveillance...
  4. pmc Remote control catheter navigation: options for guidance under MRI
    Leah Muller
    Department of Radiology and Biomedical Imaging, University of California San Francisco, 505 Parnassus Avenue, L 352, San Francisco, CA 94143 0628, USA
    J Cardiovasc Magn Reson 14:33. 2012
    ..Steering catheters by remote control under MRI guidance offers unique challenges and opportunities...
  5. doi request reprint Coronary microemboli effects in preexisting acute infarcts in a swine model: cardiac MR imaging indices, injury biomarkers, and histopathologic assessment
    Maythem Saeed
    Department of Radiology and Biomedical Imaging, School of Medicine, University of California San Francisco, 185 Berry St, Suite 350, Campus Box 0946, San Francisco, CA 94107 5705, USA
    Radiology 268:98-108. 2013
    ....
  6. pmc RF Heating of MRI-Assisted Catheter Steering Coils for Interventional MRI
    Fabio Settecase
    Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue, L 352, San Francisco, CA 94143 0628, USA
    Acad Radiol 18:277-85. 2011
    ..The aim of this study was too assess magnetic resonance imaging (MRI) radiofrequency (RF)-related heating of conductive wire coils used in magnetically steerable endovascular catheters...
  7. doi request reprint Safety of retained microcatheters: an evaluation of radiofrequency heating in endovascular microcatheters with nitinol, tungsten, and polyetheretherketone braiding at 1.5 T and 3 T
    Aaron D Losey
    Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
    J Neurointerv Surg 6:314-9. 2014
    ..Heating of nitinol, tungsten, and polyetheretherketone (PEEK) braided microcatheters was assessed and compared using a phantom model...
  8. ncbi request reprint Endovascular biopsy: evaluating the feasibility of harvesting endothelial cells using detachable coils
    Daniel L Cooke
    Department of Radiology and Biomedical Imaging University of California San Francisco, CA, USA
    Interv Neuroradiol 19:399-408. 2013
    ..Given the widespread use of coils and their well-described safety profile their potential as an endovascular biopsy device would expand the availability of tissue for cellular and molecular analysis. ..
  9. doi request reprint Density of thrombus on admission CT predicts revascularization efficacy in large vessel occlusion acute ischemic stroke
    Parham Moftakhar
    Departments of Radiology and Biomedical Imaging, University of California, San Francisco, CA 94143, USA
    Stroke 44:243-5. 2013
    ..Can lysability of large vessel thrombi in acute ischemic stroke be predicted by measuring clot density on admission nonenhanced CT (NECT), postcontrast enhanced CT, or CT angiogram (CTA)?..
  10. pmc Magnetic catheter manipulation in the interventional MR imaging environment
    Mark W Wilson
    Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA 94107, USA
    J Vasc Interv Radiol 24:885-91. 2013
    ..To evaluate deflection capability of a prototype endovascular catheter, which is remotely magnetically steerable, for use in the interventional magnetic resonance (MR) imaging environment...
  11. doi request reprint Comparing deflection measurements of a magnetically steerable catheter using optical imaging and MRI
    Prasheel Lillaney
    Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California 94143
    Med Phys 41:022305. 2014
    ..The focus of this study was to mechanically characterize deflections of two different prototypes of the magnetically steerable catheter in vitro to better understand their efficacy...
  12. doi request reprint Supernova hemorrhage: obliterative hemorrhage of brain arteriovenous malformations following γ knife radiosurgery
    Matthew D Alexander
    Santa Clara Valley Medical Center, Department of Radiology, San Jose, California, USA
    J Neurointerv Surg 4:364-7. 2012
    ..That the pathophysiology of these hemorrhages involves progressive venous outflow occlusion is speculated and the possible mechanistic link to subsequent vascular rupture is discussed...
  13. doi request reprint Utility of MRI in spinal arteriovenous fistula
    Shahed Toossi
    Departments of Neurology, University of California San Francisco, CA, USA
    Neurology 79:25-30. 2012
    ..The diagnostic accuracy of MRI for detecting SAVF is unknown. Our objective was to determine the sensitivity and specificity of MRI in the diagnosis SAVF and characterize its radiographic features...
  14. doi request reprint Spinal dural arteriovenous fistulas and intrathecal venous drainage: correlation between digital subtraction angiography, magnetic resonance imaging, and clinical findings
    Steven W Hetts
    Departments of Radiology and Biomedical Imaging, University of California, San Francisco, CA, USA
    J Neurosurg Spine 16:433-40. 2012
    ..The authors hypothesized that the craniocaudal extent of engorgement of intrathecal draining veins between the fistula site and the point of drainage out of the thecal sac correlates with the degree of myelopathy...
  15. doi request reprint MRI study on volume effects of coronary emboli on myocardial function, perfusion and viability
    Maythem Saeed
    Interventional Radiology Laboratory, Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, United States
    Int J Cardiol 165:93-9. 2013
    ..The purpose of this study was to determine the impact of two volumes of <120 μm microemboli on LV function, perfusion and viability using magnetic resonance imaging (MRI)...
  16. doi request reprint Multiple intracranial aneurysms and moyamoya disease associated with microcephalic osteodysplastic primordial dwarfism type II: surgical considerations
    James S Waldron
    Department of Neurological Surgery, University of California, San Francisco, California 94143 0112, USA
    J Neurosurg Pediatr 4:439-44. 2009
    ....
  17. ncbi request reprint Contrast staining on CT after DSA in ischemic stroke patients progresses to infarction and rarely hemorrhages
    Matthew R Amans
    Department of Radiology and Biomedical Imaging, University of California San Francisco, California, USA
    Interv Neuroradiol 20:106-15. 2014
    ..17, 95% CI 0.017 - 0.98, p = 0.02). Brain parenchyma with contrast staining on CT after DSA in AIS patients was likely to infarct and unlikely to hemorrhage. ..
  18. doi request reprint Current trends in endovascular management of traumatic cerebrovascular injury
    Akash P Kansagra
    Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California, USA
    J Neurointerv Surg 6:47-50. 2014
    ..The role of catheter angiography in the diagnosis and management of traumatic cerebrovascular injury has evolved rapidly with advances in CT and MR angiography and continued development of endovascular techniques...
  19. doi request reprint MDCT has the potential to predict percutaneous coronary intervention outcome in swine model: microscopic validation
    Maythem Saeed
    Interventional Radiology Laboratory, Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, USA
    Acta Radiol 53:987-94. 2012
    ..Volumes and sizes of dislodged coronary microemboli vary during PCI so their effects at the left ventricular (LV) and cellular levels cannot be quantified. Furthermore, biopsy for tissue characterization is not an option in PCI patients...
  20. doi request reprint Angiographic features help predict outcome after stereotactic radiosurgery for the treatment of pediatric arteriovenous malformations
    Sunil A Sheth
    Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
    Childs Nerv Syst 30:241-7. 2014
    ..The goal of this study is to evaluate the influence of angiographic features of AVMs on the rate of obliteration following treatment with SRS...
  21. doi request reprint System architecture for a magnetically guided endovascular microcatheter
    Ryan S Sincic
    Department of Radiology and Biomedical Imaging, University of California, San Francisco, 1001 Potrero Avenue, Room 1X57, San Francisco, CA, 94110, USA
    Biomed Microdevices 16:97-106. 2014
    ..The center of the artifact created by the energized microcatheter solenoid was a reliable marker for determining the degree of microcatheter deflection and auto-locating the in vivo microcatheter tip...
  22. pmc Steerable catheter microcoils for interventional MRI reducing resistive heating
    Anthony Bernhardt
    Lawrence Livermore National Laboratory, Livermore, CA, USA
    Acad Radiol 18:270-6. 2011
    ....
  23. doi request reprint Vascular myelopathies
    Parham Moftakhar
    Department of Radiology and Biomedical Imaging, UCSF Medical Center, University of California, San Francisco, California 94143 0114, USA
    Semin Neurol 32:146-53. 2012
    ..The authors review clinical diagnoses, novel imaging, and advanced treatment modalities for the most common causes of vascular myelopathy...
  24. doi request reprint Assessment of microembolization associated with revascularization in acute myocardial infarction: MDCT cardiac perfusion and function study
    Maythem Saeed
    University of California San Francisco, San Francisco, CA, USA
    Int J Cardiovasc Imaging 29:1861-9. 2013
    ..Furthermore, it has the potential to visualize patchy microinfarct, detect perfusion deficits and dysfunction at the border zone after microembolization of pre-existing AMI...
  25. doi request reprint Pediatric intracranial aneurysms
    Brian J Jian
    Department of Neurological Surgery, University of California San Francisco, 505 Parnassus Avenue, Room M779, San Francisco, CA 94143 0112, USA
    Neurosurg Clin N Am 21:491-501. 2010
    ..The patient population, clinical presentation, complications, and trends in treatments are discussed in this article...
  26. pmc Silent intralesional microhemorrhage as a risk factor for brain arteriovenous malformation rupture
    Yi Guo
    University of California, San Francisco, CA 94110, USA
    Stroke 43:1240-6. 2012
    ....
  27. doi request reprint Embolization of skull base meningiomas and feeding vessels arising from the internal carotid circulation
    James S Waldron
    Department of Neurological Surgery, University of California, San Francisco, San Francisco, California 94123, USA
    Neurosurgery 68:162-9; discussion 169. 2011
    ..Practice patterns regarding the preoperative embolization of skull base tumors vary widely among institutions and are driven by surgeon preference and concerns about safety...
  28. doi request reprint Neuropyschological profile of reversible cognitive impairment in a patient with a dural arteriovenous fistula
    Caroline A Racine
    Department of Neurology, University of California, San Francisco, CA 94143 0114, USA
    Neurocase 14:231-8. 2008
    ..Patients with dural arteriovenous fistulas (dAVFs) may present with cognitive impairment secondary to venous hypertension or ischemia...
  29. doi request reprint Acute neurointerventional therapies
    Steven W Hetts
    UCSF Medical Center, 505 Parnassus Avenue, L 352, San Francisco, CA 94143, USA
    Neuroimaging Clin N Am 20:493-510. 2010
    ..This article reviews some of the principal areas in which these techniques can be applied successfully in acute emergencies of the brain, head, and neck...
  30. doi request reprint Spinal dural arteriovenous fistulae: clinical features and long-term results
    Jared Narvid
    School of Medicine, University of California, San Francisco, California, USA
    Neurosurgery 62:159-66; discussion 166-7. 2008
    ....
  31. doi request reprint Evaluation of the acute effects of distal coronary microembolization using multidetector computed tomography and magnetic resonance imaging
    Maythem Saeed
    Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California 94107 5705, USA
    Magn Reson Med 67:1747-57. 2012
    ..Although microembolization resulted in no mortality, it caused left ventricular dysfunction, perfusion deficit, cellular damage increase in cardiac injury enzymes, and arrhythmias...
  32. doi request reprint Cavernous and inferior petrosal sinus sampling and dynamic magnetic resonance imaging in the preoperative evaluation of Cushing's disease
    Matthew B Potts
    Department of Neurosurgery, University of California, San Francisco, 505 Parnassus Ave, M 779, San Francisco, CA, 94143 0112, USA
    J Neurooncol 116:593-600. 2014
    ..CVS, however, remains an important tool in the workup of Cushing's syndrome...
  33. pmc Superselective intra-arterial melphalan therapy for newly diagnosed and refractory retinoblastoma: results from a single institution
    Sheila Thampi
    Department of Pediatrics, University of California, San Francisco School of Medicine, San Francisco, CA, USA
    Clin Ophthalmol 7:981-9. 2013
    ..This report describes our results using superselective intra-arterial melphalan in patients with newly diagnosed retinoblastoma and those who were treated for progression after systemic chemotherapy...