Third International Meeting of the World Academy of Neurological Surgeons (WANS)

September 18, 2008

8:00 – 8:10 WANS: What are we?

A. John Popp – USA

8:10 – 9:05 GREAT DEBATE I: Unruptured Aneurysms: Clip, Coil, or Leave

it Alone

Moderator: Robert Spetzler - USA

8:10 –8:20 Intervention or interference: The influence of natural history on treatment

decisions

David Piepgras - USA

8:20 – 8:30 Coiling

Karel terBrugge - Canada

8:30 – 8:40 Clipping

Ali Krisht - USA

8:40 – 8:46 Rebuttal

David Piepgras - USA, Karel terBurgge - Canada, Ali Krisht - USA

8:46 – 9:00 Audience Discussion

9:00 – 9:05 Closing Remarks

Robert Spetzler - USA

9:05 – 9:45 Plenary Presentations

Chair: Ossama Al-Mefty - USA, Evandro de Oliveira - Brazil

9:05 – 9:15 Natural outcome of cerebral AVMs: Finnish experience since 2nd World War

Juha Hernesniemi - Finland

9:15 – 9:25 Management of posterior fossa AVM

Evandro de Oliveria - Brazil

9:25 – 9:35 High grade AVMS: A conservative view

Roberto Heros - USA

9:35 – 9:45 When and how to combine microsurgery, radiosurgery, and endovascular

therapy in the treatment of cerebral AVMs

Fernando Knezevich - Argentina

9:45 – 10:15 COFFEE BREAK

10:15 – 11:00 GREAT DEBATE II: Artificial Disc: Is it Artificial?

Moderator: Abdeslalm El Khamlichi - Morocco

10:00 – 10:10 The case for artificial disc

Ernesto Martinez-Duhart - Mexico

10:10 – 10:20 The case against artificial disc

Volker Sonntag - USA

10:20 – 10:26 Rebuttal

Ernesto Martinez-Duhart - Mexico, Volker Sonntag - USA

11:26 – 10:40 Audience Discussion

10:40 – 10:45 Closing Remarks

Abdeslalm El Khamlichi - Morocco

10:45 – 11:45 Plenary Presentations

Chair: Albino Bricolo – Italy, Benedicto Oscar Colli - Brazil

10:45-10:55 Microsurgery of Intraventricular Tumors

Helmut Bertalanffy - Germany

10:55-11:05 Spinal Cord Stimulation for Vegetative Patients

Tetsuo Kanno - Japan

11:05 – 11:15 Long-term Surgical Results with Aneurysms Involving the Ophthalmic Segment

of the Carotid Artery

Roberto Delfini - Italy

11:15 -11:30 Proximal transsylvian-transamygadala approach for the selective amygdala- hippocampectomy

M. Gazi Yasargil - USA

11:30 – 1:00 LUNCH

1:00 – 1:30 Plenary Presentations

Chair: A. John Popp - USA, Helmut Bertalanffy - Germany

1:00 – 1:10 South East Asians’ perspective of neurological sciences and research:

What one has to do for the next 10 years?

Jafri Malin Abdullah - Malaysia

1:10 – 1:20 Challenges of establishing a neurosurgical service in resource limited

settings and experience from Sub-Saharan Africa

Bello B. Shehu - Nigeria

1:20 – 1:30 Recurrent Pituitary Tumors in Egypt

Nabil Abdel Rahman - Egypt

1:30 - 2:10 GREAT DEBATE III: Clinical Center Multi Trials: Gospel or Gossip

Moderator: A. John Popp - USA

1:30 – 1:40 Clinical trials are authoritative

James Rutka - Canada

1:40 – 1:50 The flaws of clinical trials

Luis A.B. Borba - Brazil

1:50 – 1:56 Rebuttal

James Rutka – Canada and Luis A. B. Borba - Brazil

1:56 – 2:10 Audience Discussion

2:10 – 2:15 Closing Remarks

A. John Popp - USA

2:15 – 2:45 Plenary Presentations

Chair: Takeshi Kawase - Japan, James Rutka - Canada

2:15 – 2:25 Meningiomas involving the cavernous sinus

Vinko Dolenc - Slovenia

2:25 - 2:35 Posterior clinoid meningioma

Takeshi Kawase - Japan

2:35 – 2:45 Superior sagittal sinus invasion in meningiomas: Reconstruction or not

M. Necmettin Pamir - Turkey

2:45 – 2:55 Historical overview of Sugita clips

Shigeaki Kobayashi - Japan

2:55 – 3:15 COFFEE BREAK

3:15 – 4:05 GREAT DEBATE IV: Skull Base Meningiomas: Total Removal or

Lesser Removal Plus Radiosurgery

Moderator: Albino Bricolo - Italy

3:15 – 3:25 Subtotal removal + radiosurgery

Basant Kumar Misra - India

3:25 – 3:35 Total removal

Ossama Al-Mefty - USA

3:35 -3:41 Rebuttal

Basant Kumar Misra – India and Ossama Al-Mefty - USA

3:41 – 3:55 Audience Discussion

3:55 – 4:00 Closing Remarks

Albino Bricolo - Italy

4:00 – 4:50 Plenary Presentations

Chair: Robert Spetzler - USA, Tetsuo Kanno - Japan

4:00 – 4:10 Complications of skull base surgery: What is avoidable?

Samer Ayoubi - Syria

4:10 – 4:20 Surgery for intrinsic brain stem gliomas

V.S. Mehta - India

4:20 – 4:30 Strategy for management of skull base chordoma

Kyu-Sung Lee - Korea

4:30 – 4:40 Brain stem cavernoma

Eka Wahjoepramono - Indonesia

4:40 – 4:50 Bypass surgery vs. reconstruction in giant aneurysm

Yoko Kato - Japan

4:50 – 5:00 Neurosurgical management of complex drug-resistant extratemporal epilepsy

Damianos E. Sakas – Greece

5:00 – 5:10 The clinical significance of posterior circulation changes after revascularization

surgery on Moyamoya disease patients

Yong-Kwang Tu – Taiwan