Dirk W Droste

Summary

Affiliation: Centre Hospitalier de Luxembourg
Country: Luxembourg

Publications

  1. ncbi request reprint Right-to-left-shunts detected by transesophageal echocardiography and transcranial Doppler sonography
    Dirk W Droste
    Department of Neurology, University of Munster, Germany
    Cerebrovasc Dis 17:191-6. 2004
  2. pmc A daily glass of red wine associated with lifestyle changes independently improves blood lipids in patients with carotid arteriosclerosis: results from a randomized controlled trial
    Dirk W Droste
    Department of Neurology, Centre Hospitalier de Luxembourg CHL, 4 rue Barblé, L 1210, Luxembourg, Luxemburg
    Nutr J 12:147. 2013
  3. ncbi request reprint Benefit of echocontrast-enhanced transcranial arterial color-coded duplex ultrasound
    Dirk W Droste
    Department of Neurology, University of Munster, Germany
    Cerebrovasc Dis 20:332-6. 2005
  4. ncbi request reprint Clinical utility of echocontrast agents in neurosonology
    Dirk W Droste
    Service de Neurologie, Centre Hospitalier de Luxembourg, 4, Rue Barble, L 1210, Luxembourg
    Neurol Res 26:754-9. 2004
  5. ncbi request reprint Optimizing the technique of contrast transcranial Doppler ultrasound in the detection of right-to-left shunts
    Dirk W Droste
    Department of Neurology, University of Munster, Munster, Germany
    Stroke 33:2211-6. 2002
  6. ncbi request reprint The identification of right-to-left shunts using contrast transcranial Doppler ultrasound: performance and interpretation modalities, and absence of a significant side difference of cardiac micro-emboli
    Dirk W Droste
    Departments of Neurology and Cardiology and Angiology, University of Munster, Germany
    Neurol Res 26:325-30. 2004
  7. ncbi request reprint Advice on lifestyle changes (diet, red wine and physical activity) does not affect internal carotid and middle cerebral artery blood flow velocity in patients with carotid arteriosclerosis in a randomized controlled trial
    Dirk W Droste
    Department of Neurology, Centre Hospitalier de Luxembourg, Luxembourg, Luxembourg
    Cerebrovasc Dis 37:368-75. 2014
  8. ncbi request reprint Contrast transcranial Doppler ultrasound in the detection of right-to-left shunts: comparison of Echovist-200 and Echovist-300, timing of the Valsalva maneuver, and general recommendations for the performance of the test
    Dirk W Droste
    Department of Neurology, University of Munster, Munster, Germany
    Cerebrovasc Dis 13:235-41. 2002
  9. ncbi request reprint On the origin of microembolic signals--a clinical and postmortem study
    Gernot Schulte-Altedorneburg
    Department of Neurology, University of Munster, Germany
    J Neurol 250:1044-9. 2003
  10. doi request reprint Clinical utility of contrast-enhanced ultrasound in neurosonology
    Dirk W Droste
    Department of Neurology, University of Munster, Munster, Germany
    Eur Neurol 59:2-8. 2008

Collaborators

Detail Information

Publications30

  1. ncbi request reprint Right-to-left-shunts detected by transesophageal echocardiography and transcranial Doppler sonography
    Dirk W Droste
    Department of Neurology, University of Munster, Germany
    Cerebrovasc Dis 17:191-6. 2004
    ..Transesophageal echocardiography (TEE) and transcranial Doppler sonography (TCD) can identify right-to-left-shunts that predispose to paradoxical embolism. In a large cohort we compared the results of both techniques...
  2. pmc A daily glass of red wine associated with lifestyle changes independently improves blood lipids in patients with carotid arteriosclerosis: results from a randomized controlled trial
    Dirk W Droste
    Department of Neurology, Centre Hospitalier de Luxembourg CHL, 4 rue Barblé, L 1210, Luxembourg, Luxemburg
    Nutr J 12:147. 2013
    ..Physical exercise and a Mediterranean diet improve serum lipid profile. The present work studied whether red wine has an effect on top of a lipid-lowering lifestyle in patients with carotid atherosclerosis...
  3. ncbi request reprint Benefit of echocontrast-enhanced transcranial arterial color-coded duplex ultrasound
    Dirk W Droste
    Department of Neurology, University of Munster, Germany
    Cerebrovasc Dis 20:332-6. 2005
    ..In these cases, echocontrast could be helpful to increase the diagnostic confidence or to make the diagnosis at all...
  4. ncbi request reprint Clinical utility of echocontrast agents in neurosonology
    Dirk W Droste
    Service de Neurologie, Centre Hospitalier de Luxembourg, 4, Rue Barble, L 1210, Luxembourg
    Neurol Res 26:754-9. 2004
    ..Neurosonological investigations of the extracranial and intracranial brain supplying arteries are helpful in the assessment of stroke and stroke-prone patients...
  5. ncbi request reprint Optimizing the technique of contrast transcranial Doppler ultrasound in the detection of right-to-left shunts
    Dirk W Droste
    Department of Neurology, University of Munster, Munster, Germany
    Stroke 33:2211-6. 2002
    ..This article applies the modalities of these tests detailed in previous studies to a large patient cohort and compares 2 contrast agents (saline and Echovist-300)...
  6. ncbi request reprint The identification of right-to-left shunts using contrast transcranial Doppler ultrasound: performance and interpretation modalities, and absence of a significant side difference of cardiac micro-emboli
    Dirk W Droste
    Departments of Neurology and Cardiology and Angiology, University of Munster, Germany
    Neurol Res 26:325-30. 2004
    ..There was no difference in microbubbles. TCD using Echovist-300 is a sensitive method to identify TEE-proven cardiac right-to-left shunts. Repetitive VM is an alternative to conventional VM...
  7. ncbi request reprint Advice on lifestyle changes (diet, red wine and physical activity) does not affect internal carotid and middle cerebral artery blood flow velocity in patients with carotid arteriosclerosis in a randomized controlled trial
    Dirk W Droste
    Department of Neurology, Centre Hospitalier de Luxembourg, Luxembourg, Luxembourg
    Cerebrovasc Dis 37:368-75. 2014
    ..Statins increase cerebral blood flow and vasomotor reactivity via nitric oxide. © 2014 S. Karger AG, Basel. ..
  8. ncbi request reprint Contrast transcranial Doppler ultrasound in the detection of right-to-left shunts: comparison of Echovist-200 and Echovist-300, timing of the Valsalva maneuver, and general recommendations for the performance of the test
    Dirk W Droste
    Department of Neurology, University of Munster, Munster, Germany
    Cerebrovasc Dis 13:235-41. 2002
    ..Both Echovist preparations are in use. Currently, the appropriate timing of the VM is still under debate...
  9. ncbi request reprint On the origin of microembolic signals--a clinical and postmortem study
    Gernot Schulte-Altedorneburg
    Department of Neurology, University of Munster, Germany
    J Neurol 250:1044-9. 2003
    ..Clinically silent circulating microembolic signals (MES) can be identified by transcranial Doppler ultrasound (TCD). It is not yet clear whether their occurrence is always linked to the presence of embolic sources...
  10. doi request reprint Clinical utility of contrast-enhanced ultrasound in neurosonology
    Dirk W Droste
    Department of Neurology, University of Munster, Munster, Germany
    Eur Neurol 59:2-8. 2008
    ..Such agents have a relatively long-lasting effect (up to 7 min), and can be administered as a single injection or, alternatively, a fractionated injection protocol can be used, depending on the quality of the window...
  11. ncbi request reprint Reduction of circulating microemboli in the subclavian vein of patients undergoing haemodialysis using pre-filled instead of dry dialysers
    Dirk W Droste
    Department of Neurology, University of Munster, Germany
    Nephrol Dial Transplant 18:2377-81. 2003
    ..The objective of the present investigation was to study whether the use of pre-filled instead of dry dialysers would help to minimize the number of microemboli...
  12. ncbi request reprint Diffusion weighted MRI imaging and MES detection in the assessment of stroke origin
    Dirk W Droste
    Department of Neurology, University of Munster, Germany
    Neurol Res 29:480-4. 2007
    ..This study compares the additional benefit of diffusion-weighted MRI (DWI) and microembolus detection by transcranial Doppler ultrasonography (TCD) in the assessment of stroke etiology...
  13. ncbi request reprint Microembolus detection in four patients with Fabry's disease: further support for a primarily microangiopathic origin of early cerebrovascular symptoms
    Martin Ritter
    Department of Neurology, Universitatsklinikum Munster, Munster, Germany
    Eur Neurol 50:141-5. 2003
    ....
  14. ncbi request reprint The use of embolic signal detection in multicenter trials to evaluate antiplatelet efficacy: signal analysis and quality control mechanisms in the CARESS (Clopidogrel and Aspirin for Reduction of Emboli in Symptomatic carotid Stenosis) trial
    Ralf Dittrich
    Department of Neurology, University Hospital of Munster, Germany
    Stroke 37:1065-9. 2006
    ..The present study aimed at installing primary and secondary quality control measures in CARESS because MES evaluation relies on subjective judgment by human experts...
  15. ncbi request reprint Comparison of a 1-MHz and a 2-MHz probe for microembolus detection using transcranial Doppler ultrasound
    Dirk W Droste
    Department of Neurology, University of Munster, Germany
    Neurol Res 27:471-6. 2005
    ..Moreover, embolus detection by transcranial Doppler ultrasound is very time consuming and semi-automated detection is mandatory. Therefore, we studied an on-line algorithm using the bi-gate technique and the two transmission frequencies...
  16. doi request reprint Microembolic signals on transcranial Doppler ultrasound are correlated with platelet activation markers, but not with platelet-leukocyte associates: a study in patients with acute stroke and in patients with asymptomatic carotid stenosis
    Martin A Ritter
    Department of Neurology, Experimental and Clinical Hemostasis, University of Munster, Munster, Germany
    Neurol Res 31:11-6. 2009
    ..The in vivo correlates of microembolic signals (MES) are still unknown. Platelet-associates (PA) with monocytes or granulocytes or platelet aggregates only may represent these correlates...
  17. ncbi request reprint Circulating microemboli in 33 patients with intracranial arterial stenosis
    Dirk W Droste
    Department of Neurology, University of Munster, Germany
    Cerebrovasc Dis 13:26-30. 2002
    ..Detection of clinically silent circulating microemboli by transcranial Doppler sonography is now widely investigated in patients with carotid artery disease in the hope to identify patients at increased risk for stroke...
  18. ncbi request reprint Detection of microemboli in the subclavian vein of patients undergoing haemodialysis and haemodiafiltration using pulsed Doppler ultrasound
    Dirk W Droste
    Department of Neurology and Department of Internal Medicine, University of Munster, Munster, Germany
    Nephrol Dial Transplant 17:462-6. 2002
    ..The pathophysiology leading to pulmonary side effects during haemodialysis and haemodiafiltration is not yet fully understood. Chronic microembolization, which can be demonstrated by pulsed Doppler ultrasound, may be one cause...
  19. ncbi request reprint Treatment options in vertebrobasilar dolichoectasia--case report and review of the literature
    Rainer Dziewasa
    Department of Neurology, University of Munster, Munster, Germany
    Eur Neurol 49:245-7. 2003
  20. ncbi request reprint Solid or gaseous circulating brain emboli: are they separable by transcranial ultrasound?
    Georges A Darbellay
    Signal Processing Institute, Swiss Federal Institute of Technology, Lausanne, Switzerland
    J Cereb Blood Flow Metab 24:860-8. 2004
    ..The current results for artifact elimination and solid/gas differentiation are already useful to extract data for future prospective clinical studies...
  21. ncbi request reprint Measuring carotid artery stenosis--comparison of postmortem arteriograms with the planimetric gold standard
    Gernot Schulte-Altedorneburg
    Department of Neurology, University of Debrecen, Medical and Health Science Centre, Faculty of Medicine, Debrecen, Hungary
    J Neurol 252:575-82. 2005
    ....
  22. ncbi request reprint Image quality of the temporal bone window examined by transcranial Doppler sonography and correlation with postmortem computed tomography measurements
    Jozsef Kollar
    Department of Radiology, Medical and Health Science Centre, Faculty of Medicine, University of Debrecen, Hungary
    Cerebrovasc Dis 17:61-5. 2004
    ..Our goal was to investigate the relationship between the in vivo Doppler ultrasound image quality of the temporal bone, and computed tomography (CT)-determined thickness, density, and homogeneity of cadaver temporal bone...
  23. ncbi request reprint Does ultrasound contrast agent improve the diagnostic value of colour and power Doppler sonography in superficial lymph node enlargement?
    Gernot Schulte-Altedorneburg
    Department of Radiology, Klinikum Augsburg, Stenglinstr 2, D 86156 Augsburg, Germany
    Eur J Radiol 48:252-7. 2003
    ..to analyse whether ultrasound contrast agent (UCA) improves the diagnostic accuracy to differentiate between benign and malignant superficial lymph node enlargement by using colour-coded duplex sonography (CCDS) and power Doppler (PD)...
  24. ncbi request reprint Platelets in patients with acute ischemic stroke are exhausted and refractory to thrombin, due to cleavage of the seven-transmembrane thrombin receptor (PAR-1)
    Kerstin Jurk
    Department of Anaesthesiology and Intensive Care, Experimental and Clinical Haemostasis, University Hospital of Munster, Munster, Germany
    Thromb Haemost 91:334-44. 2004
    ..Platelets from patients with acute cerebral ischemia are exhausted and desensitized to thrombin through cleavage of PAR-1, indicating that high concentrations of thrombin occur with acute cerebrovascular ischemic events in vivo...
  25. ncbi request reprint Microembolus detection by transcranial doppler sonography
    Ralf Dittrich
    Klinik und Poliklinik fur Neurologie, Universitatsklinikum Munster, Albert Schweitzer Str 33, D 48129, Munster, Germany
    Eur J Ultrasound 16:21-30. 2002
    ..This article provides a review of the actual literature concerning the current state of technical and clinical aspects of microembolus detection...
  26. ncbi request reprint Mechanisms of acute cerebral infarctions in patients with middle cerebral artery stenosis: a diffusion-weighted imaging and microemboli monitoring study
    Ka Sing Wong
    Department of Medicine and Therapeutics, Chinese University of Hong Kong, Shatin, Hong Kong, SAR
    Ann Neurol 52:74-81. 2002
    ....
  27. ncbi request reprint Surgical closure of combined symptomatic patent foramen ovale and atrial septum aneurysm for prevention of recurrent cerebral emboli
    Stefan Klotz
    Department of Thoracic and Cardiovascular Surgery, University Hospital Muenster, Germany
    J Card Surg 20:370-4. 2005
    ..The aim of this study was to demonstrate that surgical closure of PFO in combination with an ASA is safe and useful in preventing recurrent strokes...
  28. ncbi request reprint Carotid artery auscultation--anachronism or useful screening procedure?
    M Tünde Magyar
    Department of Neurology, University of Debrecen, Hungary
    Neurol Res 24:705-8. 2002
    ..Carotid auscultation is a useful screening procedure in the detection of carotid stenosis or occlusion, but requires confirmation by carotid ultrasound...
  29. ncbi request reprint Dual antiplatelet therapy with clopidogrel and aspirin in symptomatic carotid stenosis evaluated using doppler embolic signal detection: the Clopidogrel and Aspirin for Reduction of Emboli in Symptomatic Carotid Stenosis (CARESS) trial
    Hugh S Markus
    Department of Clinical Neuroscience, St George s Hospital Medical School, London, UK
    Circulation 111:2233-40. 2005
    ..They offer a surrogate marker to evaluate antiplatelet therapy, but no multicenter study has evaluated the feasibility of this approach...