Information About PD Dr Ralf A. Kockro

PD Dr Ralf A. Kockro

Specialist in Neurosurgery
Zurich, Switzerland

Hirslanden Neurosurgery, Zurich - Logo

Treatment Focus

  • Microsurgery procedures for tumours of the brain, of the base of the skull and of the spinal cord
  • Microvascular neurosurgery for aneurysms, cavernomata and malformations (vascular malformation) with intraoperative angiography
  • Minimally invasive surgery for intervertebral disc prolapse and constricted spinal canal
  • Trauma to the brain and skull with cranial reconstruction
  • Microscopic and endoscopic surgery on the pituitary gland (hypophysis) and base of the skull
  • Endoscopic procedures for dysfunctions of the cerebrospinal fluid circulation and tumours / cysts in the region of the ventricular system
  • Minimally invasive surgical planning on the 3-D simulator and surgery in open MRI and CT

Medical Range

Range of Diagnostic Services

  • High-definition MRI / CT / PET imaging for precise surgical planning, in particular, functional MRI for depicting the motor centres and the speech centre
  • Three-dimensional surgical planning on the virtual simulator (Dextroscope II) for preoperative simulation of the most suitable minimally invasive approach and for planning a suitable surgical strategy
  • Complete specialist neurological diagnostics (MEP, SEP, AEP, NLG, VEP, EEG, Sleep Laboratory)
  • Diagnosis of epileptic lesions using electrode implantation
  • Diagnosis of normal pressure hydrocephalus by means of continual CSF drainage and neuropsychological assessment

 

Range of Therapeutic Services

  • The most up to date minimally invasive technologies in microscope- and endoscope-guided tumour surgery (e.g. glioma, astrocytoma, glioblastoma, meningeoma, neurinoma, ependymoma, metastases) with intraoperative imaging: intraoperative (open) MRI and CT, as well as intraoperative high-definition ultrasound
  • Microscopic integrated fluorescence imaging of tumours using 5-ALA
  • Vascular neurosurgery (aneurysm, AVM, angioma, dural fistula), controlled by intraoperative angiography, microdoppler and ICG angiography
  • Electrophysiological intraoperative neuromonitoring (MEP, SEP and cortical / subcortical mapping)
  • Surgery while conscious, in particular, for procedures on the centres of the brain controlling speech and movement
  • 2-D / 3-D neuronavigation including 3-D fibre tracking and fMRI
  • Endoscope-assisted microvascular decompression for trigeminal neuralgia and hemifacial spasm
  • Endoscope- and MRI-guided procedures for pituitary tumours (adenomata)
  • Endoscopic procedures in the ventricular system for hydrocephalus, tumours and cysts
  • VP shunt procedures (abdominal, endoscopic) for hydrocephalus
  • Epilepsy surgery including amygdalo-hippocampectomy with electrophysiological monitoring and intraoperative EEG
  • Injuries to the cranium and brain (traumatic brain injury), including the excision of haemorrhages, plastic closure, closure of CSF fistulae and cranial reconstruction with tailor-made plastic implants
  • Paediatric neurosurgery for tumours, malformations and hydrocephalus
  • Minimally invasive spinal surgery: microsurgical and endoscope-guided disc surgery and tailor-made minimally invasive surgery for narrowing of the spinal canal (spinal canal stenosis). Intervertebral disc replacement using cages or prostheses.
  • The most up to date microsurgery for tumours of the spinal cord and tumours of the spinal canal (astrocytomata, ependymomata, neurinomata, meningeomata, pilocytic astrocytomata), including ultrasound and permanent electrophysiological monitoring

About PD Dr Ralf A. Kockro

PD Dr. med. Ralf Kockro is specialized in neurosurgery at the Hirslanden Clinic in Zurich, where he offers the complete spectrum of neurosurgery in one of the most modern clinics in Switzerland. Through the cooperation with the Hirslanden Clinic, PD Dr. Kockro combines excellent medicine, innovative science, and the latest technical equipment in medical technology. The Hirslanden Clinic is, among others, equipped with a neurosurgical surgery room allowing intraoperative imaging, which is only available at a few locations.

Using procedures such as intraoperative MRI (magnetic resonance imaging), CT (computed tomography) and angiography (vascular imaging), diseases of the brain, skull base, and spinal cord can be treated unerringly and with maximum protection of the surrounding brain structures. This makes your surgery even safer and more precise with the best chances of success.

Perfect Surgery Planning with a Virtual 3-D Simulator

The precondition for a successful surgery is equally careful planning. Especially with inaccessible and highly sensitive structures such as the brain, every step must be well considered. PD Dr. Kockro, and the Hirslanden Clinic have a unique virtual reality surgery planning system for this purpose. In the high-resolution three-dimensional simulator, which combines all image data from MRI and CT, PD Dr. Kockro can simulate the entire surgery in advance. Among others, this enables him to identify the best entry path and potential danger spots.

Medical Excellence - Also in Science, Research and Teaching 

PD Dr. Kockro acquired his skills and knowledge over the years in well-respected specialized clinics in Germany, Switzerland, England, and Singapore. His additional interest in modern science allowed him to participate in important research projects for neurosurgery. Particular scientific focuses include intraoperative imaging with MRI and the development of an intraoperative navigation system.

Another of PD Dr. Kockro's passions is teaching and training young colleagues at the medical universities of Mainz and Zurich.

Special Field Microneurosurgery

PD Dr. Kockro specializes in minimally invasive microneurosurgery. He can gently remove the brain and spinal cord tumors in particular. Less easily accessible tumors such as the proliferation of the pituitary gland (pituitary adenoma) can be removed with the help of endoscopy (mini-camera on a thin, flexible tube).

Brain Tumors

PD Dr. Kockro has particular expertise in minimally invasive removal of brain tumors. A brain tumor can be benign or malignant and refers to tissue growth in the brain. Due to its extensive growth, even a benign tumor can cause enormous damage by compressing neighboring brain areas. A brain tumor must be removed regardless of its characteristics.

Advanced Surgical Techniques Allow Highest Precision

PD Dr. Kockro finds the best conditions for microsurgical tumor removal at the Zurich Neurosurgery Department. The neurosurgical surgery rooms at the Hirslanden Clinic Zurich are among the best technically equipped in the world. State-of-the-art medical technology allows unprecedented precision in planning, procedure, and execution of the surgery. Advanced intraoperative imaging provides a 3D visualization of the entire surgical procedure and simultaneous monitoring of brain functions. In interventions near the speech center, the brain tumor can even be removed when the patient is awake, which allows a highly precise procedure to avoid affecting essential brain structures.

In the case of malignant brain tumors, tissue structures to be removed are marked with a fluorescent dye. The patient ingests the amino acid 5-ALA before surgery. This particular substance accumulates in tumor cells and appears bright red under blue light in the surgical microscope, which enables an exact elimination of altered tumor cells. Dr. Kockro also uses endoscopes for removing tumors in some brain areas that are difficult to access, such as the base of the skull and the ventricle system.

Pituitary Adenoma

The pituitary gland is a cherry-sized hormonal gland at the base of the skull that controls important processes in the body. Tumors of the pituitary gland are usually benign and can occasionally be treated with medication. In most cases, surgical removal is required, which is carried out using the latest endoscopic technology.

Spinal Cord Tumors

If a tumor forms in the spinal cord, it compresses the spinal cord as it grows and presses on the nerve cords running in it, which leads to neurological deficits and disorders in the motor functions, which can lead to paraplegia in an advanced stage. Removal of the tumor at an early stage is always advisable.

The endoscopically removal of a spinal cord tumor is possible in the Zurich Neurosurgery Department in a microsurgical procedure. Computer-assisted monitoring accompanies the surgical procedure also to achieve the most precise process and an optimal result.

Treatments in the spinal cord are also among PD Dr. Kockro's area of expertise. PD Dr. Kockro is an experienced surgeon, especially in the field of herniated discs and narrowed spinal canals. Whenever possible, all interventions are carried out minimally invasive; the spectrum ranges up to the use of artificial discs (disc prostheses).

Spinal canal stenosis

The spinal cord lies well protected embedded in the spinal canal. If bony formations develop due to degenerative changes in the spinal column, they often protrude into the spinal canal. Sometimes, severe erosion of the intervertebral discs or slipped vertebrae is also responsible for a narrowing of the spinal canal. The constriction compresses the nerve structures within the spinal canal, resulting in pain, which, depending on the nerve roots affected, can spread into the legs.

If physiotherapy fails, surgical relief of the constricted nerves may be advisable. During the minimally invasive procedure, disturbing structures such as exostosis and tissue are gently removed. Sometimes the vertebral bodies have to be stabilized with the help of supporting elements to achieve the desired result.

Brain Aneurysm

Another of PD Dr. Kockro’s specialized fields is the surgical treatment of vascular changes in the brain, which includes aneurysms and possible vascular malformations.

In the case of an aneurysm, an artery in the brain dilates to the extent that a berry or spindle-shaped bulge develops. This pathological change is usually caused by weakness of the vascular walls. Gradually, an aneurysm can grow to a size of several centimeters. Then the danger of a rupture increases. Rupture of overstrained vascular walls can lead to life-threatening bleeding in the brain. The high risk: aneurysms often cause no discomfort for a long time and are, therefore, frequently accidental findings. Depending on their position, the aneurysms can press on neighboring areas of the brain where they trigger symptoms such as impaired vision or epileptic seizures.

Depending on the shape and severity, an aneurysm can be repaired by closing the resulting bulge with a titanium clip by neurosurgery. Another option is coiling, a neuroradiological procedure, where a fine wire is forwarded through the inguinal artery into the aneurysm. Once there, it is rolled up into a ball in the bulge, which fills the entire cavity.

During the surgery, the position and treatment progress can be monitored excellently via intraoperative angiography. PD Dr. Kockro has developed a risk calculator for the risk assessment of aneurysms. In some cases, the risk of the surgery is higher than the risk of aneurysm bleeding, so that the risk calculator can be used to prevent unnecessary surgeries. (http://www.kockro.com/)

Hydrocephalus

Close cooperation with the University of Heidelberg connects PD Dr. Kockro to the field of brain water circulation disorders. In particular, PD Dr. Kockro treats the various derivations of hydrocephalus, but also of cerebral fluid cysts, with the utmost care, either minimally invasive or endoscopically.

Less Stress and More Safety for the Patient

With minimally invasive neurosurgery, access to the surgery area is only as large as required, which means that this type of procedure is far less stressful for the patient than conventional surgical techniques. Besides, this type of intervention performed by experts promises an optimal result.

The possibility of virtual surgery planning should also not be underestimated. Neurosurgery Zurich is one of the few departments worldwide possessing the advanced technology of virtual reality surgery planning. This revolutionary technology allows the surgeon to run through every planned surgery from start to end and to simulate it three-dimensionally and realistically. This allows the neurosurgeon to get an exact impression of the spatial structures of a tumor or vascular changes in advance of the surgery and to plan each treatment step.

A precisely elaborated procedure and treatment concept, even before the actual surgery, not only benefits the neurosurgeon – the targeted planning also means maximum safety for the patient.

Safety has the highest priority in all of PD Dr. Kockro’s carried out surgeries. The patient is continuously and intensively monitored during the surgery by a team of anesthetists and neurologists with the help of modern neuromonitoring (checking your nerve signals).

Click here to visit the website of PD Dr. Med. Kockro's practice.

Further information on neurosurgical topics and main focuses can be found at www.kockro.com.

Curriculum Vitae

Since 2017 Director of the Center for Microneurosurgery, Hirslanden Hospital, Zürich
Since 2012 Senior Consultant and Co-Chair, Department of Neurosurgery, Hirslanden Hospital, Zurich
2009 – 2012 Consultant, Department of Neurosurgery, University Hospital, Zurich
2008 Consultant, Department of Neurosurgery, University Hospital, Mainz, Germany
2007 Consultant, Department of Neurosurgery, The Royal London Hospital, London, UK
2006 Senior Registrar, Department of Neurosurgery, University Hospital, Mainz; Germany
1999 – 2010 Head of the Advisory Board for Neurosurgery, Advanced Medical Technologies, Bracco AMT, Princeton, USA
1999 – 2005 Registrar, Department of Neurosurgery, National Neuroscience Institute, Singapore
1999 Co-founder of the Dextroscope Virtual Reality Technology for Minimally Invasive Neurosurgery
1997 – 1998 Fellow of the BMBF (German Ministry for Research and Technology)
Department of Neurosurgery, National Neuroscience Institute, Singapore and Laboratory for Brain Imaging, National University of Singapore
1995 – 1996 Junior Registrar, Department of Neurosurgery, University Hospital Heidelberg, Germany
1987 – 1994 Medical school at the University of Heidelberg, Germany, Clinical Year at the University of California San Francisco, UCSF, Neurosurgery Department

Extras

  • Modern single and 2-bed rooms with flat-screen TV and WLAN, many with a balcony and a view of Lake Zurich
  • First-class, prestigious hotels of Hirslanden Hospital
  • Support for international patients by the Hirslanden International Bureau:  co-ordination and organisation of consultations, medical reports, cost estimation, hotel reservations, admission to rehabilitation clinics, health spa stays, as well as transport and travel advice
  • 24-hr interpreter service
  • On-site underground parking

Location

Zurich Main Railway Station 5 km
Zurich airport 15 km

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PD Dr Ralf A. Kockro

Hirslanden Neurosurgery, Zurich
Center for Microneurosurgery
Witellikerstrasse 40, CH-8032 Zurich

T: +41 44 504 75 67
F: +41 44 387 21 31
E: kockro@primomedico.com

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