Research Topics
| Florian DoeppSummaryAffiliation: Humboldt University Country: Germany Publications
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Detail Information
Publications
Stenosis or hyperperfusion in sickle cell disease--ultrasound assessment of cerebral blood flow volumeFlorian Doepp
Department of Neurology, University Hospital Charite, Berlin, Germany
Ultrasound Med Biol 38:1333-8. 2012....
Left ventricular apical thrombus after systemic thrombolysis with recombinant tissue plasminogen activator in a patient with acute ischemic strokeFlorian Doepp
Department of Neurology, University Hospital Charite, Berlin, Germany
Cardiovasc Ultrasound 3:14. 2005..To prevent rethrombosis after rtPA therapy, secondary anticoagulation with heparin is commonly performed. However, the recommended time-point and extent of heparin treatment vary and are not well investigated...
Multiple brain abscesses following surgical treatment of a perianal abscessFlorian Doepp
Department of Neurology, University Hospital Charite, Schumannstr 20 21, 10117 Berlin, Germany
Clin Neurol Neurosurg 108:187-90. 2006..In this manuscript, both pathways are critically reviewed...- Serial ultrasound assessment of the basal vein of Rosenthal in HSV encephalitisFlorian Doepp
Department of Neurology, University Hospital Charite, Humboldt University, Berlin, Germany
Ultrasound Med Biol 32:473-7. 2006..Our findings suggest that TCCS measurements of the BVR might be used as an additional diagnostic bed-side tool to evaluate patients with HSVE during the acute stage... - Transcranial and extracranial ultrasound assessment of cerebral hemodynamics in vascular and Alzheimer's dementiaFlorian Doepp
Department of Neurology, University Hospital Charite, Berlin, Germany
Neurol Res 28:645-9. 2006..We compare multimodal ultrasound data between VD, AD and controls, and give an overview of the literature on this topic... - Incompetence of internal jugular valve in patients with primary exertional headache: a risk factor?F Doepp
Department of Neurology, University Hospital Charite, Humboldt University, Berlin, Germany
Cephalalgia 28:182-5. 2008..IJVVI was always observed on the dominant venous drainage side. Our study suggests that intracranial venous congestion caused by retrograde jugular venous flow might play a role in the pathophysiology of EH with IJVVI as a risk factor... - Brain parenchyma sonography and 123I-FP-CIT SPECT in Parkinson's disease and essential tremorFlorian Doepp
Department of Neurology, University Hospital Charite, Berlin, Germany
Mov Disord 23:405-10. 2008..TCS allows a reliable differentiation of PD and ET. The TCS SN hyperechogenicity does not correlate with the extent of dopaminergic neuron degeneration... - No cerebrocervical venous congestion in patients with multiple sclerosisFlorian Doepp
Department of Neurology, University Hospital Charite, Humboldt University, Berlin, Germany
Ann Neurol 68:173-83. 2010.... - Venous drainage in multiple sclerosis: a combined MRI and ultrasound studyF Doepp
Department of Neurology, Charite University Medicine Berlin, Augustenburger Platz 1, 13344 Berlin, Germany
Neurology 77:1745-51. 2011..Chronic cerebrospinal venous insufficiency (CCSVI) was proposed as the causal trigger for developing multiple sclerosis (MS). However, current data are contradictory and a gold standard for venous flow assessment is missing... - How does the blood leave the brain? A systematic ultrasound analysis of cerebral venous drainage patternsFlorian Doepp
Department of Neurology, University Hospital Charite, Schumannstr 20 21, 10117, Berlin, Germany
Neuroradiology 46:565-70. 2004..However, a predominantly non-jugular drainage pattern was found in approximately 6% of subjects... - Venous drainage patterns in a case of pseudotumor cerebri following unilateral radical neck dissectionFlorian Doepp
Department of Neurology, University Hospital Charite, Humboldt University, Berlin, Germany
Acta Otolaryngol 123:994-7. 2003..We conclude that the physiological collateral function of the vertebral venous system and deep neck veins was insufficient and contributed to global venous outflow obstruction in our case of unilateral rND... - Ultrasonographic assessment of global cerebral blood volume in healthy adultsFlorian Doepp
Department of Neurology, University Hospital Charite, Schumannstr 20 21, 10117 Berlin, Germany
J Cereb Blood Flow Metab 23:972-7. 2003..1 +/- 0.9 to 8.4 +/- 1.1 second, P < 0.0001) and a significant CBF decrease (742 +/- 85 to 526 +/- 77 mL/min, P < 0.0001), whereas CBV remained unchanged (75 +/- 6 to 73 +/- 10 mL)... - Ultrasonographic measurement of cerebral blood flow, cerebral circulation time and cerebral blood volume in vascular and Alzheimer's dementiaStephan J Schreiber
Dept of Neurology, University Hospital Charite, Schumannstr 20 21, 10117 Berlin, Germany
J Neurol 252:1171-7. 2005..The presented multimodal US approach helps to assess the extent of changes in the global cerebral hemodynamics in patients with dementia but does not allow a differentiation between VD and AD... - Extrajugular pathways of human cerebral venous blood drainage assessed by duplex ultrasoundStephan J Schreiber
Department of Neurology, Neuroradiological Section, University Hospital Charite, Humboldt University, 10098 Berlin, Germany
J Appl Physiol 94:1802-5. 2003.... - Measurement of global cerebral circulation time using power duplex echo-contrast bolus trackingStephan Joachim Schreiber
Department of Neurology, University Hospital Charite, Berlin, Germany
Cerebrovasc Dis 15:129-32. 2003..Values did not correlate with age, gender, blood pressure or blood flow velocity. Measurement in the AVM patient revealed a CCT of 1.5 s. Ultrasonographic CCT analysis is a promising new tool for the evaluation of cerebral hemodynamics... - No correlation of substantia nigra echogenicity and nigrostriatal degradation in Parkinson's diseaseElmar Lobsien
Department of Neurology, Nuclear Medicine and Radiation Oncology, Charite, University Medicine Berlin, Germany
Mov Disord 27:450-3. 2012..Whereas most studies found no correlation between extent of substantia nigra echogenicity and the putaminal FP-CIT binding ratio, a more recent analysis reported opposite results... - Internal jugular vein valve incompetence in COPD and primary pulmonary hypertensionFlorian Doepp
Department of Neurology, University Hospital Charite, Chariteplatz 1, 10117 Berlin, Germany
J Clin Ultrasound 36:480-4. 2008..The aim of this study was to analyze the prevalence of IJVVI in patients with COPD and PPH using duplex sonography (DUS)... - Multimodal ultrasound assessment of cerebral hemodynamics in a patient with a diffuse cerebral angiomatosisStephan J Schreiber
Department of Neurology, University Hospital Charite, Berlin, Germany
Ultrasound Med Biol 29:501-5. 2003..US allows a simple, minimal invasive bedside analysis of several global hemodynamic parameters that might provide valuable additional information in patients with diffusely altered cerebral hemodynamics... - Transcranial duplex ultrasound of the ophthalmic arteryStephan J Schreiber
Department of Neurology, University Hospital Charite, Berlin, Germany
Ultrasound Med Biol 32:309-13. 2006..Whenever OA assessment for analysis of collateral function is required, this simple approach, avoiding direct eye bulb insonation, should be considered... - Migraine aggravation caused by cephalic venous congestionFlorian Doepp
Department of Neurology, University Hospital Charit, Humboldt University, Berlin, Germany
Headache 43:96-8. 2003..02). CONCLUSIONS: Our results support a role for cerebral venous congestion in the generation of migraine pain and suggest body position may influence the clinical expression of that process... - Diagnostic transcranial ultrasound perfusion-imaging at 2.5 MHz does not affect the blood-brain barrierGerhard J Jungehulsing
Department of Neurology and Berlin Neuroimaging Center Berlin, Charite, Germany
Ultrasound Med Biol 34:147-50. 2008..Future investigations with larger sample sizes and higher-field MRI might give further insights into potential bioeffects of diagnostic, as well as therapeutic, contrast-enhanced transcranial US... - Diffuse cerebral angiomatosisS J Schreiber
Department of Neurology, University Hospital Charit, Berlin, Germany
Neurology 60:1216-8. 2003 - Does routine transcranial duplex ultrasound heat up the patient brain?H G Schlosser
Department of Neurosurgery, Charite Universitatsmedizin Berlin, Campus Virchow Klinikum CVK, Berlin
Ultraschall Med 30:37-41. 2009..Temperature increases during examination have been identified as a potential risk factor but only data from model studies is currently available... 
Internal jugular vein valve incompetence and intracranial venous anatomy in transient global amnesiaS J Schreiber
Department of Neurology, University Hospital Charite, Schumannstrasse 20 21, 10117 Berlin, Germany
J Neurol Neurosurg Psychiatry 76:509-13. 2005..This mechanism requires a patent venous pathway from the affected IJV through the transverse sinus, confluens, straight sinus (SS), vein of Galen into the basal vein of Rosenthal and the internal cerebral veins...- [Adenocarcinoma-associated nonbacterial thrombotic endocarditis as the cause of recurrent strokes]J Katchanov
Klinik fur Neurologie, Universitätsmedizin Charité, Berlin
Nervenarzt 76:471-4. 2005.... - Doppler sonographic evaluation of shunts in patients with dural arteriovenous fistulasStephan J Schreiber
Department of Neurology, University Hospital Charit, Berlin, Germany
AJNR Am J Neuroradiol 25:775-80. 2004..Follow-up measurements in DAVF patients are well correlated with results of angiographic treatment. CCT assessment might become an additional tool for evaluating these patients and monitoring their treatment... - Severe hypercapnia mimicking hypoxic brain edema on cerebral CTStephan J Schreiber
University Hospital Charity, Berlin, Germany
AJR Am J Roentgenol 183:865-6. 2004 - Quantification of target population for ultrasound enhanced thrombolysis in acute ischemic strokeChristian H Nolte
Department of Neurology, Centre for Stroke Research Berlin Charite, Campus Benjamin Franklin Hindenburgdamm 30 12200, Berlin, Germany
J Neuroimaging 23:79-81. 2013..Sufficient insonation conditions are a mandatory precondition. The impact of these limitations on eligibility rates for sonothrombolysis has not been reported so far... - Dopplersonographic measurement of global cerebral circulation time using echo contrast-enhanced ultrasound in normal individuals and patients with arteriovenous malformationsStephan Joachim Schreiber
Department of Neurology, University Hospital Charite, Schumannstrasse 20 21, 10098 Berlin, Germany
Ultrasound Med Biol 28:453-8. 2002..For the first time, we could confirm a significant shortening of CCT in patients with cerebral AVM by US. The presented test might become a new, additional tool for AVM evaluation and follow-up of treatment in these patients... - Effects of prolonged head-down tilt on internal jugular vein cross-sectional areaS J Schreiber
Department of Neurology, University Hospital Charit, Schumannstrasse 20/21, D-10098 Berlin, Germany
Br J Anaesth 89:769-71. 2002..CONCLUSION: The 10 degrees head-down tilt manoeuvre in healthy volunteers causes an immediate, significant increase in CSA in the right IJV. A longer tilt did not cause further increase in jugular CSA... - Venous collateral blood flow assessed by Doppler ultrasound after unilateral radical neck dissectionF Doepp
Department of Neurology, , Humboldt University, Berlin, Germany
Ann Otol Rhinol Laryngol 110:1055-8. 2001..The VVs serve as an important additional major outflow. Doppler ultrasound may help to identify patients at risk of insufficient cerebrovenous drainage after rND...