Ozgur Kocaturk

Summary

Affiliation: National Institutes of Health
Country: USA

Publications

  1. pmc Active two-channel 0.035'' guidewire for interventional cardiovascular MRI
    Ozgur Kocaturk
    Translational Medicine Branch, Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892 1061, USA
    J Magn Reson Imaging 30:461-5. 2009
  2. pmc Whole shaft visibility and mechanical performance for active MR catheters using copper-nitinol braided polymer tubes
    Ozgur Kocaturk
    Translational Medicine Branch, Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
    J Cardiovasc Magn Reson 11:29. 2009
  3. pmc Limitations of closing percutaneous transthoracic ventricular access ports using a commercial collagen vascular closure device
    Israel M Barbash
    Translational Medicine Branch, Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892 1538, USA
    Catheter Cardiovasc Interv 77:1079-85. 2011
  4. pmc Direct percutaneous left ventricular access and port closure: pre-clinical feasibility
    Israel M Barbash
    Cardiovascular and Pulmonary Branch, Division of Intramural Research, the National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
    JACC Cardiovasc Interv 4:1318-25. 2011
  5. pmc MRI active guidewire with an embedded temperature probe and providing a distinct tip signal to enhance clinical safety
    Merdim Sonmez
    Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
    J Cardiovasc Magn Reson 14:38. 2012
  6. pmc Active delivery cable tuned to device deployment state: enhanced visibility of nitinol occluders during preclinical interventional MRI
    Jamie A Bell
    Cardiovascular and Pulmonary Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
    J Magn Reson Imaging 36:972-8. 2012
  7. pmc A deflectable guiding catheter for real-time MRI-guided interventions
    Jamie A Bell
    Cardiovascular and Pulmonary Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
    J Magn Reson Imaging 35:908-15. 2012
  8. pmc Mitral cerclage annuloplasty, a novel transcatheter treatment for secondary mitral valve regurgitation: initial results in swine
    June Hong Kim
    Translational Medicine Branch, Division of Intramural Research, National Heart Lung and Blood Institute, NIH, Bethesda, MD 20892 1538, USA
    J Am Coll Cardiol 54:638-51. 2009
  9. pmc Closed-chest transthoracic magnetic resonance imaging-guided ventricular septal defect closure in swine
    Kanishka Ratnayaka
    Cardiovascular and Pulmonary Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
    JACC Cardiovasc Interv 4:1326-34. 2011
  10. pmc Real-time MRI-guided right heart catheterization in adults using passive catheters
    Kanishka Ratnayaka
    Division of Intramural Research, Cardiovascular and Pulmonary Branch, National Heart Lung and Blood Institute, National Institutes of Health, Building 10, Room 2c713, MSC 1538, Bethesda, MD 20892 1538, USA
    Eur Heart J 34:380-9. 2013

Collaborators

Detail Information

Publications20

  1. pmc Active two-channel 0.035'' guidewire for interventional cardiovascular MRI
    Ozgur Kocaturk
    Translational Medicine Branch, Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892 1061, USA
    J Magn Reson Imaging 30:461-5. 2009
    ....
  2. pmc Whole shaft visibility and mechanical performance for active MR catheters using copper-nitinol braided polymer tubes
    Ozgur Kocaturk
    Translational Medicine Branch, Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
    J Cardiovasc Magn Reson 11:29. 2009
    ..We explored the impact of braid material designs on radiofrequency and mechanical performance...
  3. pmc Limitations of closing percutaneous transthoracic ventricular access ports using a commercial collagen vascular closure device
    Israel M Barbash
    Translational Medicine Branch, Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892 1538, USA
    Catheter Cardiovasc Interv 77:1079-85. 2011
    ..We evaluate the safety and feasibility of closing percutaneous direct ventricular access sites using a commercial collagen-based femoral artery closure device...
  4. pmc Direct percutaneous left ventricular access and port closure: pre-clinical feasibility
    Israel M Barbash
    Cardiovascular and Pulmonary Branch, Division of Intramural Research, the National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
    JACC Cardiovasc Interv 4:1318-25. 2011
    ..This study sought to evaluate feasibility of nonsurgical transthoracic catheter-based left ventricular (LV) access and closure...
  5. pmc MRI active guidewire with an embedded temperature probe and providing a distinct tip signal to enhance clinical safety
    Merdim Sonmez
    Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
    J Cardiovasc Magn Reson 14:38. 2012
    ..035" (0.89 mm) guidewire for MRI right and left heart catheterization at 1.5 T that has an internal probe to monitor temperature in real-time, and that has both tip and shaft visibility as well as suitable flexibility...
  6. pmc Active delivery cable tuned to device deployment state: enhanced visibility of nitinol occluders during preclinical interventional MRI
    Jamie A Bell
    Cardiovascular and Pulmonary Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
    J Magn Reson Imaging 36:972-8. 2012
    ..To develop an active delivery system that enhances visualization of nitinol cardiac occluder devices during deployment under real-time magnetic resonance imaging (MRI)...
  7. pmc A deflectable guiding catheter for real-time MRI-guided interventions
    Jamie A Bell
    Cardiovascular and Pulmonary Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
    J Magn Reson Imaging 35:908-15. 2012
    ..To design a deflectable guiding catheter that omits long metallic components yet preserves mechanical properties to facilitate therapeutic interventional MRI procedures...
  8. pmc Mitral cerclage annuloplasty, a novel transcatheter treatment for secondary mitral valve regurgitation: initial results in swine
    June Hong Kim
    Translational Medicine Branch, Division of Intramural Research, National Heart Lung and Blood Institute, NIH, Bethesda, MD 20892 1538, USA
    J Am Coll Cardiol 54:638-51. 2009
    ..We developed and tested a novel transcatheter circumferential annuloplasty technique to reduce mitral regurgitation in porcine ischemic cardiomyopathy...
  9. pmc Closed-chest transthoracic magnetic resonance imaging-guided ventricular septal defect closure in swine
    Kanishka Ratnayaka
    Cardiovascular and Pulmonary Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
    JACC Cardiovasc Interv 4:1326-34. 2011
    ..The aim of this study was to close ventricular septal defects (VSDs) directly through the chest wall using magnetic resonance imaging (MRI) guidance, without cardiopulmonary bypass, sternotomy, or radiation exposure...
  10. pmc Real-time MRI-guided right heart catheterization in adults using passive catheters
    Kanishka Ratnayaka
    Division of Intramural Research, Cardiovascular and Pulmonary Branch, National Heart Lung and Blood Institute, National Institutes of Health, Building 10, Room 2c713, MSC 1538, Bethesda, MD 20892 1538, USA
    Eur Heart J 34:380-9. 2013
    ..Simple procedures are the first step towards novel interventional procedures. We aim to perform comprehensive transfemoral diagnostic right heart catheterization in an unselected cohort of patients entirely using MRI guidance...
  11. pmc Transapical aortic valve replacement under real-time magnetic resonance imaging guidance: experimental results with balloon-expandable and self-expanding stents
    Keith A Horvath
    Cardiothoracic Surgery Research Program, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
    Eur J Cardiothorac Surg 39:822-8. 2011
    ..Whether there are different advantages to SE or BE stents is unknown. We report rtMRI-guided tAVI in a porcine model using both SE and BE stents, and compare the differences between the stents...
  12. pmc MRI-guided vascular access with an active visualization needle
    Christina E Saikus
    Cardiovascular and Pulmonary Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892 1061, USA
    J Magn Reson Imaging 34:1159-66. 2011
    ..To develop an approach to vascular access under magnetic resonance imaging (MRI), as a component of comprehensive MRI-guided cardiovascular catheterization and intervention...
  13. pmc Interventional cardiovascular magnetic resonance: still tantalizing
    Kanishka Ratnayaka
    Translational Medicine Branch, Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
    J Cardiovasc Magn Reson 10:62. 2008
    ..We caution that this reflects our personal view of the "state of the art."..
  14. pmc Visualization of active devices and automatic slice repositioning ("SnapTo") for MRI-guided interventions
    Ashvin K George
    Translational Medicine Branch, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
    Magn Reson Med 63:1070-9. 2010
    ..CurveFind is typically able to reconstruct the device curve, with an average error of approximately 2 mm, even in the case of complex geometries...
  15. pmc Real-time MR imaging-guided laser atrial septal puncture in swine
    Abdalla A Elagha
    Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1538, USA
    J Vasc Interv Radiol 19:1347-53. 2008
    ....
  16. pmc Experimental model of large pulmonary embolism employing controlled release of subacute caval thrombus in swine
    Israel M Barbash
    Cardiovascular and Pulmonary Branch, Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1538, USA
    J Vasc Interv Radiol 22:1471-7. 2011
    ..To develop a catheter-based model of large pulmonary embolism (PE) in swine based on in situ venous thrombus formation...
  17. pmc Adaptive noise cancellation to suppress electrocardiography artifacts during real-time interventional MRI
    Vincent Wu
    Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892 1538, USA
    J Magn Reson Imaging 33:1184-93. 2011
    ..To develop a system for artifact suppression in electrocardiogram (ECG) recordings obtained during interventional real-time magnetic resonance imaging (MRI)...
  18. pmc Blunt atrial transseptal puncture using excimer laser in swine
    Abdalla A Elagha
    Cardiovascular Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
    Catheter Cardiovasc Interv 70:585-90. 2007
    ..We describe a new approach that may enhance safety of atrial transseptal puncture using a commercially available laser catheter that is capable of perforation only when energized. We test this approach in swine...
  19. pmc Real-time interactive MRI-guided cardiac surgery: aortic valve replacement using a direct apical approach
    Elliot R McVeigh
    Laboratory of Cardiac Energetics, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892 1061, USA
    Magn Reson Med 56:958-64. 2006
    ..MRI-guided beating-heart surgery may provide patients with a less morbid and more durable solution to structural heart disease...
  20. pmc Real-time magnetic resonance imaging-guided endovascular recanalization of chronic total arterial occlusion in a swine model
    Amish N Raval
    Cardiovascular Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1538, USA
    Circulation 113:1101-7. 2006
    ..Alternatively, MRI may delineate the artery within the occluded segment to enhance procedural safety and success. We hypothesized that real-time MRI (rtMRI)-guided CTO recanalization can be accomplished in an animal model...