The International Course will be broadcasted on the Internet by CESNET z.s.p.o.

Details concerning streaming addresses and resolution will be published on -

Due to the current czech government measures and worldwide coronavirus pandemic situation, the term of the 9th Transtemporal Approaches and Intensive EC-IC bypass course is moved again to the substitute date 23 - 24 June 2023.



Venue: CSTVS - Novotneho lavka 5, Old town, Prague 1

8.20 – 19.00                   (lectures 12 minutes each + 3 minute discussion)

7.00 – 8.20                     Registration

8.20 – 8.30                     Introduction

8.30 – 10.10    Aneurysms bypass Lectures and Video Session

L. Wessels/ P. Vajkoczy  Classification and management of giant MCA aneurysms

R. Tanikawa                    Vascular Reconstruction for Anterior Circulation Lesion

T. Fukushima                  Vascular reconstruction in Neurosurgery: Techniques of small and big bypass (30 min)

R. Tanikawa                    Vascular Reconstruction for Complex Aneurysm and Application of Skull Base Surgery

J. K. Liu                           Video: PICA-PICA Bypass for Dissecting PICA Aneurysm  

U. Spetzger                     Video: Subtleties in clipping of a partially thrombosed giant PICA – aneurysm (7 min)

Coffee break 10.10 – 10.30

10.30 – 12.10    Bypass for hemodynamic ischemia and Moyamoya disease

N. Hecht/ P. Vajkoczy     Bypass and ischemia

K. Tanahashi                  STA-MCA double microbypass and highly vascularized                    

                                       EDAGS Techniques for Moyamoya disease (10-12 min)

S. Numazawa                 Revascularization surgery for Moyamoya disease, 30 years Experience (15 min)

R. Tanikawa                    Bypass for hemodynamic ischemia and acute stroke

M. Sames                       COSS analysis VERITAS study and posterior circulation Revascularization (10 min)

J. Fiedler                         Cognitive outcome of EC-IC bypass

F. Cihlar                          Endovascular management of acute ischemic stroke

J. Fiedler                         Open microsurgery in acute ischemic stroke

Lunch 12.10 – 13.00

13.00 – 14.35     Skull Base Lectures and Video Session

T. Fukushima                  Transtemporal lateral skull base surgery: microanatomy and dissections of the inner petrosa, superior

                                        petrosa and mastoid (Basics of Combined Petrosal Approach) (20 min)

L. Poulsgaard                 Translab approach for vestibular schwannoma

P. Vachata                       Facial nerve reconstruction techniques

J. Liu                               Video: Kawase Approach for SCA Dissecting Pseudoaneurysm

W. Tirakotai                     Trigeminal Schwannoma: Microscopic or Endoscopic

J. A. Landeiro                 Skull base surgery and transtemporal approaches

Coffee break 14.35 – 15.00

15.00 – 16.45    Skull Base Lectures and Video Session

L. Mastronardi                 Kawase approach, anatomy, dissection and clinical application

J. K. Liu                           Combined Petrosal Approaches for Vascular Lesions and Skull Base Tumors

O. Voznyak                      Petroclival meningiomas   

U. Bawornvaraporn         Microanatomy, Classification and Operative Techniques of Petrous Bone Lesions: Extradural Middle

                                        Fossa (approach in 125 cases) (20 min)

I. Kanaan                         Variation of neurosurgical approaches to Mackel cave and petroclival tumors

W.Tirakotai                      Facial nerve reinervation and reanimation   

L. Streit                           Management of the paralyzed face, temporalis myoplasty through the nasolabial approach                   

Coffee break 16.45 – 17.15

17.15 – 18.30    Skull Base Lectures and Video Session

R. Margraf                       Skull Base Techniques for Clipping of Proximal Internal  Carotid Aneurysms

O. Voznyak                     The ways for improvement of functional results in vestibular schwannoma surgery

T. Mathiesen                   “Safe” sacrifice of posterior fossa veins?

E. Zverina                       Foramen jugulare schwannomas

U. Bawornvaraporn        How to drill the Mastoid bone (video)


20.00 – 23.00    DINNER (Restaurace Cerny Orel, U luzickeho seminare 40, Prague 1)

Saturday June 24, 2023   HANDS-ON DISSECTION COURSE

Venue: Klub Lavka - Novotneho lavka 1, Old town, Prague 1

8.30 – 18.00                    Klub Lavka


8.30 –   8.40                    Introduction, comparison of different training models

9.00 – 12.00                    Laboratory training of microanastomosis on synthetic vessels

                                           end to side

                                           side to side  

                                           end to end  

                                       Comparison of continuous and interrupted sutures in EC-IC anastomosis (V. Priban)

11.55 – 12.00                 Closing remarks

                                       Awards for the best sutured specimen


Lunch 12.00 – 13.00


13.00 – 14.30                 Transmastoid retrolab approach - drilling

14.30 – 15.30                 Translab approach - drilling

15.30 – 15.45                 Transcochlear approach - drilling

15.45 – 16.30                  Transcondylar approach - demonstration

16.30 – 17.15                  Anterior transpetrosal approach - demonstration

17.15 – 17.45                  Anterior transpetrosal approach - drilling

17.45 – 18.00                  Closing remarks

                                        Awards for the best drilled specimen

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Transtemporal Approaches

and Intensive EC-IC bypass Course

New date 23 - 24 June, 2023, Prague, Czech Republic