Acta Neurochirurgica Supplements. Editor: H.-J. Steiger

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2 Acta Neurochirurgica Supplements Editor: H.-J. Steiger

3 New Trends of Surgery for Stroke and its Perioperative Management Edited by Y. Yonekawa, Y. Sakurai, E. Keller, and T. Tsukahara Acta Neurochirurgica Supplement 94 SpringerWienNewYork

4 Prof. Dr. Yasuhiro Yonekawa PD. Dr. Emanuela Keller University Hospital, Zurich, Switzerland Dr. Yoshiharu Sakurai Department of Neurosurgery, Sendai National Hospital, Sendai, Japan Dr. Tetsuya Tsukahara Department of Neurosurgery, Kyoto National Hospital, Kyoto, Japan This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically those of translation, reprinting, re-use of illustrations, broadcasting, reproduction by photocopying machines or similar means, and storage in data banks. Product Liability: The publisher can give no guarantee for all the information contained in this book. This also refers to that on drug dosage and application thereof. In each individual case the respective user must check the accuracy of the information given by consulting other pharmaceutical literature. The use of registered names, trademarks, etc. in this publication does not imply, even in the absence of specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use Springer-Verlag/Wien Printed in Austria SpringerWienNewYork is a part of Springer ScienceþBusiness Media springeronline.com Typesetting: Asco Typesetters, Hong Kong Printing and Binding: Druckerei Theiss GmbH, 9431 St. Stefan, Austria, Printed on acid-free and chlorine-free bleached paper SPIN: Library of Congress Control Number: With partly coloured Figures ISSN ISBN SpringerWienNewYork ISBN SpringerWienNewYork

5 Preface In the last years progress has been made in stroke treatment. In July 2004 specialists in neurosurgery, neuroradiology, neurology and neurointensive care discussed recent trends at the 2nd Swiss Japanese Joint Conference on Cerebral Stroke Surgery held in Zurich, Switzerland. Prof. Dr. Y. Yonekawa, Zurich and Prof. D. Y. Sakurai, Sendai were the presidents of the conference. New concepts were worked out during the conference and are published in this volume. The book starts with the topic intracranial aneurysms, discussing microsurgical and endovascular treatment modalities, as well as new surgical approaches. Further chapters deal with the management of unruptured aneurysms and with subarachnoid hemorrhage. Practical guidelines for vasospasm treatment are given. Together with contributions about arteriovenous malformations and fistulas, cerebral revascularization techniques and surgery related to the intracranial venous system a comprehensive overview about stroke surgery is given with an interdisciplinary approach. The book should be of interest for all specialists involved in therapy of cerebrovascular disease. The editors extend their gratitude to the many contributors and to all those who participated in the conference. Publication of the proceedings is partially supported by Research Fund for Cardiovascular diseases from Japanese Ministry of Health, Labour and Welfare; Assessment of the quality of medical care in cardio- and cerebrovascular diseases and the principal national hospitals. Y. Yonekawa, Y. Sakurai, E. Keller, and T. Tsukahara

6 Contents Intracranial aneurysms Niemelä, M., Koivisto, T., Kivipelto, L., Ishii, K., Rinne, J., Ronkainen, A., Kivisaari, R., Shen, H., Karatas, A., Lehecka, M., Frösen, J., Piippo, A., Jääskeläinen, J., Hernesniemi, J.: Microsurgical clipping of cerebral aneurysms after the ISAT Study Sugiu, K., Tokunaga, K., Watanabe, K., Sasahara, W., Tagawa, M., Tamesa, N., Ono, S., Onoda, K., Date, I.: Endovascular treatment for elderly patients with ruptured aneurysm Kaku, Y.: Conventional microsurgical technique and the endovascular method for the treatment of cerebral aneurysms: a comparative view Hernesniemi, J., Ishii, K., Niemelä, M., Smrcka, M., Kivipelto, L., Fujiki, M., Shen, H.: Lateral supraorbital approach as an alternative to the classical pterional approach Kahn, N., Yoshimura, S., Roth, P., Cesnulis, E., Koenue-Leblebicioglu, D., Curcic, M., Imhof, H.-G., Yonekawa, Y.: Conventional microsurgical treatment of paraclinoid aneurysms: state of the art with the use of the selective extradural anterior clinoidectomy SEAC Hernesniemi, J., Ishii, K., Niemelä, M., Krivipelto, L., Fujiki, M., Shen, H.: Subtemporal approach to basilar bifurcation aneurysms: advanced technique and clinical experience Yonekawa, Y., Khan, N., Imhof, H.-G., Roth, P.: Basilar bifurcation aneurysms. Lessons learnt from 40 consecutive cases Perioperative management Schuknecht, B.: Endovascular treatment of cerebral vasospasm following aneurysmal subarachnoid hemorrhage Semenyutin, V. B., Aliev, V. A., Nikitin, P. I., Kozlov, A. V.: The intracranial B-waves amplitude as prognostication criterion of neurologic complications in neuroendovascular interventions Satoh, A., Nakamura, H., Kobayashi, S., Miyata, A., Matsutani, M.: Management of severe subarachnoid hemorrhage; significance of assessment of both neurological and systemic insults at acute stage

7 VIII Contents Keller, E., Krayenbühl, N., Bjeljac, M., Yonekawa, Y.: Cerebral vasospasm: results of a structured multimodal treatment Management of unruptured intracranial aneurysms Tsukahara, T., Murakami, N., Sakurai, Y., Yonekura, M., Takahashi, T., Inoue, T., Yonekawa, Y.: Treatment of unruptured cerebral aneurysms; a multi-center study at Japanese national hospitals Terada, T., Tsuura, M., Matsumoto, H., Masuo, O., Tsumoto, T., Yamaga, H., Itakura, T.: Endovascular treatment of unruptured cerebral aneurysms Imhof, H.-G., Yonekawa, Y.: Management of ruptured aneurysms combined with coexisting aneurysms Suyama, K., Kaminogo, M., Yonekura, M., Baba, H., Nagata, I.: Surgical treatment of unruptured cerebral aneurysms in the elderly Intracranial arteriovenous malformations and Dural AVM, AVF Yonekawa, Y., Imhof, H.-G., Bjeljac, M., Curcic, M., Khan, N.: Three cases of AVM at eloquent areas finally treated with conventional microsurgical method Kuhmonen, J., Piippo, A., Väärt, K., Karatas, A., Ishii, K., Winkler, P., Niemelä, M., Porras, M., Hernesniemi, J.: Early surgery for ruptured cerebral arteriovenous malformations Steiger, H.-J., Hänggi, D., Schmid-Elsaesser, R.: Cranial and spinal dural arteriovenous malformations and fistulas: an update Kuwayama, N., Kubo, M., Tsumura, K., Yamamoto, H., Endo, S.: Hemodynamic status and treatment of aggressive dural arteriovenous fistulas Cerebral revascularization Carotid- and vertebral-stenosis Barth, A.: Conventional microsurgical endarterectomy Tsukahara, T., Hatano, T., Ogino, E., Aoyama, T., Nakakuki, T., Murakami, M.: Surgical treatment for bilateral carotid arterial stenosis Hatano, T., Tsukahara, T., Ogino, E., Aoyama, T., Nakakuki, T., Murakami, M.: Stenting for vertebrobasilar artery stenosis Extracranial-intracranial bypass Streefkerk, H. J., Bremmer, J. P., Tulleken, C. A.: The ELANA technique: high flow revascularization of the brain Khan, N., Yonekawa, Y.: Moyamoya angiopathy in Europe

8 Contents IX Reinert, M., Brekenfeld, C., Taussky, P., Andres, R., Barth, A., Seiler, R. W.: Cerebral revascularization model in a swine Inoue, T., Fujimoto, S.: Prediction of cerebral blood flow restoration after extracranial-intracranial bypass surgery using superficial temporal artery duplex ultrasonography (STDU) Venous system Sindou, M., Auque, J., Jouanneau, E.: Neurosurgery and the intracranial venous system Keller, E., Pangalu, A., Fandino, J., Könü, D., Yonekawa, Y.: Decompressive craniectomy in severe cerebral venous and dural sinus thrombosis Author index Index of keywords Listed in Current Contents

9 Intracranial aneurysms