Georg Gahn
Dresden University of Technology
Internal medicineRadiologySurgeryUltrasoundCardiologyMiddle cerebral arteryDuplex ultrasonographyCarotid artery diseaseOcclusionVascular diseaseDigital subtraction angiographyInternal carotid arteryThrombolysisGrading (tumors)NeuroradiologyStenosisAngioplastyAngiographyCarotid endarterectomyIn patientDuplex sonographyAnesthesiaStrokeIschemiaText miningMedicine
60Publications
16H-index
782Citations
Publications 58
Newest
#1Volker PuetzH-Index: 23
Last. M.D. HillH-Index: 17
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Population-based studies indicate that the prevalence of carotid stenosis is 0.5 % in the sixth decade of life but increases up to 10 % by the age of 80 years. Ipsilateral carotid stenosis, with > 50 % of the artery occluded, is found in about 10 % of carotid territory ischemic strokes and in about 15 % of transient ischemic attacks (TIA), and is associated with a high-risk of recurrent stroke. Treatment of carotid artery disease plays a major role in stroke prevention. In this article we focus ...
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#1Guntram W. Ickenstein (TUD: Dresden University of Technology)H-Index: 13
#2Stefan IsenmannH-Index: 3
Last. Joachim KlischH-Index: 35
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The treatment of patients with cerebral infarction due to vascular stenosis/occlusion includes a range of therapeutic options such as intravenous recombinant tissue plasminogen activator (rtPA) application, thrombocyte aggregation inhibition, anticoagulation, intraarterial thrombolytic medication as well as carotid endarterectomy and endovascular procedures (angioplasty or stenting of extra- and intracranial vessels). Both the drug therapies and endovascular techniques are expected to expand sig...
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#1Georg GahnH-Index: 16
#2Robert H. AckermanH-Index: 27
Last. Morelia R. CandiaH-Index: 6
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: Ultrasound is widely used in the assessment of neurovascular diseases. In spite of its effectiveness there are considerable limitations such as low flow detection in carotid disease or limited bony windows in transcranial Doppler. One approach to overcome these limitations is the use of ultrasound contrast enhancing agents. The usefulness of ultrasound contrast enhancing agents Levovist, EchoGen and BY 963 in neurovascular applications has been evaluated. Contrast enhanced colourflow Doppler f...
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Contexte et Objectif: Le sous-type le plus frequent d'accident vasculaire cerebral (AVC), chez les patients porteurs de fibrillation auriculaire (FA) qui ne sont pas anticoagules, est l'AVC d'origine cardioembolique. Dans les essais cliniques SPORTIF III et V, un inhibiteur direct de la thrombine, le ximelagatran, administre par voie orale, etait aussi efficace que la warfarine pour diminuer le risque d'AVC chez les patients atteints de FA non valvulaire. Nous avons evalue l'effet de ces deux ag...
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#1Volker PuetzH-Index: 23
#2Georg GahnH-Index: 16
Last. R. von KummerH-Index: 30
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BACKGROUND AND PURPOSE: Symptomatic intracranial stenoses have a high risk for a recurrent stroke if treated medically. Although angioplasty and stent placement are proposed treatment options, data on longer-term outcome are limited. Materials and METHODS: We analyzed all endovascular procedures on symptomatic intracranial stenosis at our institution from January 1998 to December 2005. We retrospectively assigned patients to group A (symptoms despite antithrombotic therapy) or group B (impaired ...
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#1Volker PuetzH-Index: 23
#2Georg GahnH-Index: 16
view all 7 authors...
#2Stefan IsenmannH-Index: 3
Last. Joachim KlischH-Index: 35
view all 6 authors...
Background: The treatment of patients with cerebral infarction due to vascular stenosis/occlusion includes a range of therapeutic options such as intravenous recombinant tissue plasminogen activator (rtPA) application, thrombocyte aggregation inhibition, anticoagulation, intraarterial thrombolytic medication as well as carotid endarterectomy and endovascular procedures (angioplasty or stenting of extra- and intracranial vessels). Both the drug therapies and endovascular techniques are expected t...
#1Georg Gahn (TUD: Dresden University of Technology)H-Index: 16
#2Susanne Hallmeyer-Elgner (TUD: Dresden University of Technology)H-Index: 9
Last. R. H. Ackermann (TUD: Dresden University of Technology)
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Background: To evaluate the timecourse of cerebrovascular reserve response to breath-holding. Patients and methods: Using simultaneous bilateral transcranial Doppler (TCD) recordings from the MCA during a breath-holding challenge, we measured the time interval between baseline and peak blood flow velocity values in 25 patients with critical unilateral internal carotid artery (ICA) stenosis (> 85% lumen diameter reduction), in 9 patients with a non-critical (70-85%) ICA-stenosis and in 27 normal ...
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Waldenstrom's macroglobulinemia (WM) is an uncommon low-grade lymphoma. Cognitive impairment due to central nervous system infiltration by lymphoplasmocytoid cells (Bing-Neel syndrome) has been rarely reported. We describe a 54-year-old man who was referred to a memory disorder clinic with a 9-month history of clinically obvious nonfluent aphasia and WM. He underwent extensive neuropsychological testing, clinical examination and structural and functional brain imaging. The diagnosis of the diffu...
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#1Claudia Disqué (TUD: Dresden University of Technology)H-Index: 1
#2Georg GahnH-Index: 16
INTRODUCTION: Early hemicraniectomy reduces mortality in malignant middle cerebral artery (MCA) infarctions to 16%, although the benefit on functional outcome is still unclear. We treat patients with malignant MCA infarction younger than 60 years. Epidural or subgaleal hemorrhages are relatively common complications. Only 1 trial described parenchymal hemorrhage as a complication of hemicraniectomy. CASE REPORT: A 55-year-old man was admitted to our stroke unit with right-sided hemiparesis and a...
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