Karsten Alfke

Summary

Affiliation: University of Kiel
Country: Germany

Publications

  1. ncbi Contrast-enhanced magnetic resonance angiography in stroke diagnostics: additional information compared with time-of-flight magnetic resonance angiography?
    K Alfke
    Institute of Radiology and Neuroradiology, HELIOS Kliniken Schwerin, Schwerin, Germany
    Clin Neuroradiol 21:5-10. 2011
  2. ncbi Magnetic resonance imaging of individual cerebral perfusion territories improves the diagnosis of embolic stroke
    Karsten Alfke
    Section of Neuroradiology, University Hospital of Schleswig Holstein, Campus Kiel, Kiel, Germany
    J Comput Assist Tomogr 31:894-5. 2007
  3. ncbi [Endovascular therapy of stroke]
    K Alfke
    Sektion Neuroradiologie, Universitatsklinikum Schleswig Holstein, Schittenhelmstrasse 10, 24105 Kiel
    Hamostaseologie 26:326-33. 2006
  4. ncbi Continuous artery-selective spin labeling (CASSL)
    Richard Werner
    Section of Neuroradiology, Christian Albrechts Universitat, Kiel, Germany
    Magn Reson Med 53:1006-12. 2005
  5. ncbi Superselective pseudocontinuous arterial spin labeling
    Michael Helle
    Institute of Neuroradiology, Christian Albrechts Universitat, Kiel, Germany
    Magn Reson Med 64:777-86. 2010
  6. ncbi Hemodynamic assessment of carotid stenosis by functional magnetic resonance imaging
    Ulf Jensen
    Institute of Neuroradiology, University Hospital of Schleswig Holstein, Campus Kiel, Kiel, Germany
    Cerebrovasc Dis 26:231-6. 2008
  7. ncbi Improving the amplitude-modulated control experiment for multislice continuous arterial spin labeling
    Richard Werner
    Section of Neuroradiology, Christian Albrechts Universitat, Kiel, Germany
    Magn Reson Med 53:1096-102. 2005
  8. ncbi Assessment of thrombus in acute middle cerebral artery occlusion using thin-slice nonenhanced Computed Tomography reconstructions
    Christian H Riedel
    Department of Neuroradiology, UKS H, Campus Kiel, Kiel, Germany
    Stroke 41:1659-64. 2010
  9. ncbi Complication rate in unprotected carotid artery stenting with closed-cell stents
    Marc W K Tietke
    Institute for Neuroradiology, University of Schleswig Holstein, Campus Kiel, Kiel, Germany
    Neuroradiology 52:611-8. 2010
  10. ncbi Subacute stent thrombosis in intracranial stenting
    Christian H Riedel
    Department of Neuroradiology, UKS H, Campus Kiel, Kiel, Germany address
    Stroke 40:1310-4. 2009

Collaborators

Detail Information

Publications17

  1. ncbi Contrast-enhanced magnetic resonance angiography in stroke diagnostics: additional information compared with time-of-flight magnetic resonance angiography?
    K Alfke
    Institute of Radiology and Neuroradiology, HELIOS Kliniken Schwerin, Schwerin, Germany
    Clin Neuroradiol 21:5-10. 2011
    ..The hypothesis was that CE-MRA has at least the same diagnostic value as the commonly used TOF-MRA...
  2. ncbi Magnetic resonance imaging of individual cerebral perfusion territories improves the diagnosis of embolic stroke
    Karsten Alfke
    Section of Neuroradiology, University Hospital of Schleswig Holstein, Campus Kiel, Kiel, Germany
    J Comput Assist Tomogr 31:894-5. 2007
    ..Imaging findings suggested that all acute embolic lesions in both hemispheres had arisen from one symptomatic internal carotid artery stenosis...
  3. ncbi [Endovascular therapy of stroke]
    K Alfke
    Sektion Neuroradiologie, Universitatsklinikum Schleswig Holstein, Schittenhelmstrasse 10, 24105 Kiel
    Hamostaseologie 26:326-33. 2006
    ..Larger studies are needed to compare those tools. Apart from recanalization of a cerebral vessel occlusion implantation of a stent might be necessary for prophylaxis of recurrent stroke...
  4. ncbi Continuous artery-selective spin labeling (CASSL)
    Richard Werner
    Section of Neuroradiology, Christian Albrechts Universitat, Kiel, Germany
    Magn Reson Med 53:1006-12. 2005
    ..The results show the method's flexibility for different geometries and flow velocities. Potential applications include perfusion territory imaging of smaller cerebral arteries, and selective angiography techniques...
  5. ncbi Superselective pseudocontinuous arterial spin labeling
    Michael Helle
    Institute of Neuroradiology, Christian Albrechts Universitat, Kiel, Germany
    Magn Reson Med 64:777-86. 2010
    ..This shows the method's flexibility for dealing with complicated arterial geometries and its ability to superselectively label small intracranial arteries...
  6. ncbi Hemodynamic assessment of carotid stenosis by functional magnetic resonance imaging
    Ulf Jensen
    Institute of Neuroradiology, University Hospital of Schleswig Holstein, Campus Kiel, Kiel, Germany
    Cerebrovasc Dis 26:231-6. 2008
    ....
  7. ncbi Improving the amplitude-modulated control experiment for multislice continuous arterial spin labeling
    Richard Werner
    Section of Neuroradiology, Christian Albrechts Universitat, Kiel, Germany
    Magn Reson Med 53:1096-102. 2005
    ..The efficiency increases were realized in a volunteer study, showing the practical application of the suggested optimization...
  8. ncbi Assessment of thrombus in acute middle cerebral artery occlusion using thin-slice nonenhanced Computed Tomography reconstructions
    Christian H Riedel
    Department of Neuroradiology, UKS H, Campus Kiel, Kiel, Germany
    Stroke 41:1659-64. 2010
    ..We sought to evaluate how accurately length and volume of thrombotic clots occluding cerebral arteries of patients with acute ischemic stroke can be assessed from nonenhanced CT (NECT) scans reconstructed with different slice widths...
  9. ncbi Complication rate in unprotected carotid artery stenting with closed-cell stents
    Marc W K Tietke
    Institute for Neuroradiology, University of Schleswig Holstein, Campus Kiel, Kiel, Germany
    Neuroradiology 52:611-8. 2010
    ..While many reviews and reports with retrospective data analysis do promote the use of PDs the most recent multi-centre trials are showing advantages for unprotected CAS combined with closed-cell stent designs...
  10. ncbi Subacute stent thrombosis in intracranial stenting
    Christian H Riedel
    Department of Neuroradiology, UKS H, Campus Kiel, Kiel, Germany address
    Stroke 40:1310-4. 2009
    ..We sought to determine the safety of intracranial stenting with respect to subacute stent thrombosis in patients being treated with standardized antiplatelet therapy...
  11. ncbi Neuropsychological consequences of endarterectomy and endovascular angioplasty with stent placement for treatment of symptomatic carotid stenosis: a prospective randomised study
    Karsten Witt
    Department of Neurology, University Medical Center Schleswig Holstein, Campus Kiel, Schittenhelmstrasse 10, 24105 Kiel, Germany
    J Neurol 254:1524-32. 2007
    ..The clinical relevance of these differences remains unknown. We therefore compared the neuropsychological consequences of CAS and CEA and additionally measured the S100beta protein, a marker of cerebral damage...
  12. ncbi Brain perfusion territory imaging applying oblique-plane arterial spin labeling with a standard send/receive head coil
    Richard Werner
    Section of Neuroradiology, Christian Albrechts Universitat, Kiel, Germany
    Magn Reson Med 52:1443-7. 2004
    ..The obtained perfusion-weighted images showed a clear delineation of the perfusion territories of the selected arteries in the anterior circulation of the brain and good gray/white matter contrast...
  13. ncbi Treatment of intracranial broad-neck aneurysms with a new self-expanding stent and coil embolization
    Karsten Alfke
    Section of Neuroradiology, University of Schleswig-Holstein, Campus Kiel, Germany
    AJNR Am J Neuroradiol 25:584-91. 2004
    ..Access to smaller vessels was easy, but the mechanism of deployment had to be improved. Follow-up MR imaging was sufficient...
  14. ncbi Clinical and angiographic risk factors for stroke and death within 30 days after carotid endarterectomy and stent-protected angioplasty: a subanalysis of the SPACE study
    Robert Stingele
    Department of Neurology, University Hospital Schleswig Holstein, Kiel, Germany
    Lancet Neurol 7:216-22. 2008
    ..Better knowledge of risk factors could improve assignment of patients to these procedures and reduce overall risk. We aimed to assess the risk of stroke or death associated with CEA and CAS in patients with different risk factors...
  15. ncbi Evolution of hippocampal CA-1 diffusion lesions in transient global amnesia
    Thorsten Bartsch
    Department of Neurology, University Hospital Schleswig Holstein, Kiel, Germany
    Ann Neurol 62:475-80. 2007
    ..As several imaging and epidemiological findings point to a vascular origin an analysis of the temporal evolution of the hippocampal apparent diffusion coefficient (ADC) changes may offer new understanding of the pathomechanisms of TGA...
  16. ncbi Aggressive therapy with intravenous abciximab and intra-arterial rtPA and additional PTA/stenting improves clinical outcome in acute vertebrobasilar occlusion: combined local fibrinolysis and intravenous abciximab in acute vertebrobasilar stroke treatment
    Bernd Eckert
    Department of Neuroradiology, University Hospital Hamburg Eppendorf, Germany
    Stroke 36:1160-5. 2005
    ....
  17. ncbi The Penumbra System: a mechanical device for the treatment of acute stroke due to thromboembolism
    A Bose
    Lenox Hill Hospital, New York, NY, USA
    AJNR Am J Neuroradiol 29:1409-13. 2008
    ..The purpose of this study was to assess the safety and performance of the Penumbra System (PS): a novel mechanical device designed to reduce clot burden in acute stroke due to large-vessel occlusive disease...