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Department of interventional neuroradiology

Prof. Dr. med. Dan Meila
interventional neuroradiology

About the department

The department of interventional neuroradiology at Johanna Etienne Hospital Neuss treats patients who have suffered a stroke, aneurysm and other congenital vascular malformations. Minimally invasive procedures with thin catheters inserted through the groin into the body to the vessels of the brain are much gentler on the body than open surgery. With this technique, specialists can quickly eliminate the causes of a stroke or blood vessel aneurysm on the spot. In addition, the medical team has the most modern angiographic systems at its disposal. Treatment is carried out on an outpatient and inpatient basis, but the recovery time is short due to the minimally invasive procedures.

The department offers patients the full range of neuroradiological diagnostics and therapy using the latest imaging techniques. In addition to detailed neuroradiological diagnosis (e.g., diagnostic angiography), various therapeutic interventions are also available to patients. Even though neuroradiology is a relatively young discipline, experienced neurosurgeons successfully perform vascular opening and occlusive procedures.

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Treatment and diagnostic focus of the department


  • Stroke
  • Narrowing of the arteries of the neck and carotid arteries
  • Aneurysms
  • Dural fistulas
  • Arteriovenous malformations
  • Carotid-cavernous fistula
  • Head and neck tumours
  • Extracranial atherosclerosis
  • Spinal vascular malformations

Diagnostic procedures: 

  • Anamnesis 
  • Physical examination 
  • Laboratory and biochemical analysis
  • X-ray, CT or MRI 
  • Diagnostic angiography 
  • Ultrasound examination 
  • Duplex/Dopler ultrasonography 
  • Balloon occlusion test (way to see whether one artery can be temporarily or permanently blocked)


  • Thrombolytic therapy
  • Minimally invasive catheter endovascular therapy
  • Emergency treatment of stroke with mechanical thrombectomy
  • Endovascular treatment
  • Blood clot retrieval
  • Catheter treatment on a two-plane angiographic system
  • Carotid artery angioplasty and stenting
  • Other treatment procedures
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Doctor profile


  • 1998-2005 Studied human medicine at the Heinrich Heine University in Düsseldorf
  • 2005-2006 Resident, Department of Neurosurgery, Prof. Nicolas de Tribolet, University Hospital of Geneva, Switzerland
  • 2006 Resident, Clinic for Neuroradiology, Prof. Anton Valavanis, University Hospital Zurich, Switzerland
  • 2011 Specialist in radiology
  • 2017 Habilitation in the field of radiology with the topic: "Management of the Vena Galeni Malformation - Clinical and experimental results, as well as new interventional neuroradiological treatment, approaches" at the Hannover Medical School


  • 2007-2011 Assistant doctor, Clinic for Radiology and Neuroradiology, Prof. Friedhelm Brassel, Sana Kliniken Duisburg
  • Appointment as Senior Physician, Clinic for Radiology and Neuroradiology, Prof. Friedhelm Brassel, Sana Kliniken Duisburg
  • 2012 Managing Senior Physician and Section Head Experimental Neuroradiology, Clinic for Radiology and Neuroradiology, Prof. Friedhelm Brassel, Sana Kliniken Duisburg
  • 2017-2020 Head of the Department for Interventional Neuroradiology, Johanna Etienne Hospital, Neuss
  • Since 2018 Head of Pediatric Interventional Neuroradiology, Hannover Medical School (MHH)
  • Since 2020 Chief Physician at the Clinic for Interventional Neuroradiology, Johanna Etienne Hospital, Neuss

Awards, memberships, publications

  • Thrombectomy for Primary Distal Posterior Cerebral Artery Occlusion Stroke
  • Evolution of Embolic Agents in Interventional Neuroradiology 
  • Vein of Galen malformation: optimizing the management of postneonatal presentations
  • Endovascular Treatment of Vein of Galen Malformations: A Systematic Review and Meta-Analysis
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