M. Brock

M. Klinger

F. Marguth

E. Kazner

P. Schmiedek

This volume of Advances in Neurosurgery 7 presents the papers held at the Joint Meeting of the American Academy of Neurological Surgery and the "Deutsche Gesellschaft fUr Neurochirurgie" in October 1978 in Munich. This exchange of thoughts on scientific methods in neurosurgery on both sides of the globe, i.e., both in the United States and in Germany, covered a number of different topics in the field of neurosurgery, with special emphasis on the following subjects: Intracranial vascular surgery and specialized neurosurgical techniques used for different operative approaches to the skull, brain, pituitary gland, and peripheral nerves. Contributions to the field of computer tomography, traumatology, functional and experimental neurosurgey, as well as chemotherapy rounded off the broad exchange of thoughts. In particular, the variety of the problems discussed, gives insight into the present state of our special field and shows progress and new points of departure. Special gratitude is expressed to the Springer-\Tedag for its help in editing the Ad vances in Neurosurgery, Volume 7. Miinchen, September 1979 EMARGUTH v Opening Oration F. MARGUTH I should like to welcome all of you wholeheartedly to the Joint Meeting of the American Academy of Neurological Surgery and the Deutsche Gesellschaft fUr N eurochirurgie. I welcome especially our collegues from the United States and the ladies.

Specialized Neurosurgical Techniques

Neurovascular Surgery

H. Wenker

F. Reuter

This 14th volume of Advanaes in Neurosurgery includes the papers presented at the 36th Annual Meeting of the German Society of Neurosurgery in Berlin, May 12-15, 1985. I would like to take this opportunity to thank the members of the program committee of the Society, Priv.-Doz. Dr. Klinger, Professors Brock, Dietz, Frowein, Lausberg, Wlillenweber, and Dr. Reuter for their assistance in selecting the contributions and in organizing the scientific program. The first main topic of the meeting was Spinal Cord Tumors. Introductory lectures dealing with basic anatomic knowledge, neuropathological as pects, and neurologic problems were followed by reports on examinations using conventional neuroradiology, scintiscanning, computer tomography as well as the most recent method in the diagnosis of spinal tumors, the magnetic resonance tomography. Also presented were the results of a multicentered study on spinal tumors, ascertained in cooperation with 43 German and Austrian neurosurgical clinics. The participants reported in great detail on the statistical data they recorded from 3056 cases and on the scientific findings obtained from this study. The session concluded with lectures on the possibilities for surgical treatment of spinal tumors and on oncologic and radiotherapeutic mea sures. E:x:perimental Neurosurgery was the second main topic. Leading authorities in the field presented interesting papers on topics such as the therapy of vasculogenetic brain edema, the determination of neurotransmitters in brain tumors, results of cerebral blood flow measurement, and im proved operative techniques using laser radiation.

Proceedings of the 36th Annual Meeting of the Deutsche Gesellschaft für Neurochirurgie, Berlin, May 12-15, 1985

Spinal Cord Tumors Experimental Neurosurgery Neurosurgical Intensive Care

S. Ishii

H. Nagai

This volume contains papers presented at the Fifth International Symposium on Intra cranial Pressure held on May 30-June 3,1982, in Tokyo, Japan. The Symposium has continued to grow since it began in 1972, and this year it was comprised 121 oral and 46 poster presentations. This considerable number was chosen from the more than 216 abstracts that were received, which made the selection process very difficult. We would like to thank the Program Committee for their efforts. One hundred and fifty-one of the manuscripts are printed here. The classic papers, short communications, and the presentations for the poster sessions here appear together under their appropriate topic heading. There were eleven sessions which spanned the most basic scientific descriptions of ICP dynamics to the most recent clinical advances and debate. Also included are the seven special seminars given by the invited speakers. These spe cial seminars were an innovation at this symposium as a means of reviewing the major aspects and history and of projecting the future directions of this expanding field. The organizers wish to thank the Advisory Committee for their guidance and focus, and to express their appreciation to everyone who contributed to the success of this meeting - to the Chairmen and Co-chairmen, to all of the members and participants, and not least of all to our executive staff who worked behind the scenes. We also wish to acknowledge our gratitude to Springer-Verlag for their technical aid and for their prompt publication of this volume.

Proceedings of the Fifth International Symposium on Intracranial Pressure, Held at Tokyo, Japan, May 30 - June 3, 1982

Intracranial Pressure V

A. Marmarou

K. Shulman

J.D. Miller

D.P. Becker

G.M. Hochwald

This book contains the papers delivered at the Fourth International Symposium on Intracranial Pressure, held at Williamsburg, Virginia, USA, June 10-14, 1979. Divided into 12 sessions, they reflect the most recent developments in areas such as head injuries, pressure volume studies, cerebrovascular complications, intracranial hemor rhage, brain edema, systemic factors and infectious processes, data recording and analysis, CSF formation and absorption, hydroce phalus, clinical aspects of ICP monitoring, anesthesia and intra cranial pressure, treatment with barbiturates and steroids, and os motherapy. The book concludes with a summary of the present state-of-the-art in the field as a whole by Dr. Langfitt. There were two innovations at this Symposium. The first of these was poster sessions, the second, breakfast seminars. This volume contains all papers read plus all those presented as posters, and for this reason contains more pages than the three previous volumes. The organizers wish to thank the Advisory Committee for the work done in paper selection and focus of the Conference. Appreciation is also given to the Chairmen and Co-chairmen of the sessions for the preparation of summary statements. Manuscript preparation was performed by Ms. Lucille Browne, and gratitude is expressed to her. The next Symposium, the Fifth International Conference on ICP, will be held in Japan in 1982. We also wish to acknowledge the technical help of Springer-Verlag and their celerity in producing this volume. The Editors VII Contents Session I. Head Injury Chairman: D. P. BECKER; Co-chairman: I. PAPO 3 Summary . . . . . . . . . . . ..

Proceedings of the Fourth International Symposium on Intracranial Pressure. Held at Williamsburg/Virginia, USA, June 10-14, 1979

Intracranial Pressure IV

J.W.F. Beks

Dirk Andries Bosch

The papers presented at the Third International Symposium on Intracranial Pressure that was held at the University of Groningen. June 1-3, 1976 are brought together in this volume. After the successful meetings in Hannover and Lund the feeling of the Advisory Board was. that the third meeting should have more clinical implications. and therefore 7 out of the 10 Sessions deal with clinical problems. That there is still a growing interest in the problems of the intracranial pressure appears from the fact that 152 papers were submitted. Unfortunately only 56 could be read. due to lack of time. The selection was made by the members of the Advisory Board. It is a pity that so many good papers had to be rejected because they did not fit in the program. It was decided in a meeting of chairmen and co-chairmen during the symposium that the next congress will take place in 1979. to keep away from the CBF-meeting in June 1977 in Copenhagen and the "Brain-Edema" meeting in 1979 in Bethesda. This fourth symposium will be held in Williamsburg (USA) and prepared by Donald P. Becker. Douglas Miller. Gerald M. Hochwald and Kenneth Shulman.

Proceedings of the Third International Symposium on Intracranial Pressure, Held at the University of Groningen, June 1-3, 1976

Intracranial Pressure III

K. Schürmann

H. - J. Reulen

D. Voth

This volume contains the papers presented at the 24th Annual Meeting of the Deutsche Gesellschaft fur Neurochirurgie, held in Mainz, Western Germany, on April 30 - May 3, 1973. Deliberate choice was made of two crucial still hotly debated subjects which, for ages, have meant a source of constant worry, and nights without sleep to every neurosurgeon. Just as long as our special field exists, there have been the problems of how to control brain edema and ·of how to reduce lethality and the secondary lesions in surgery of cerebello-pontine angle tumors. Concerning the first subject, new pathological, pathophysiological and chemical aspects, the mechanisms of brain edema formation and resolution are presented in the hope for better understanding. Furthermore, the relationship between brain edema, intracranial pressure, cerebral blood flow and metabolism are discussed. Finally, the therapeutical consequences as well as the results of experimental and clinical work are presented, and a comparison of effects between different methods (hypertonic solutions, diuretics, steroids, controlled hyperventilation, hyperbaric oxygen) is given. Concerning the second main subject, any important contributions to the early diagnosis of cerebello-pontine angle tumors have been included. Nevertheless, it is of utmost interest for the neurosurgeon to know which approach he is to prefer for the different stages of tumor size and to be familiar with the trans labyrinthine approach or the posterior craniotomy, as well as with the importance of the use of the microscope in neurosurgery, the preservation of the facial nerve and, in certain cases, its repair.

Pathophysiology and Therapy / Diagnosis and Surgery

Brain Edema / Cerebello Pontine Angle Tumors

Enth.: Spinal cord tumors ; Experimental neurosurgery ; Neurosurgical intensive care.

R. Wüllenweber

J. Hamer

O. Spoerri

The Neurosurgeons of Berlin are happy to welcome their colleagues from Germany and from foreign countries to our Annual Meeting, being held in this city once again after many years. The external appearance of the city may have changed in many respects since our winter meeting in 1965. This ist not the case, however, as concerns the outstanding quality of its cultural life. We hope that you take as much profit of it as possible. When choosing the scientific themes of this congress, we were led by the idea that problems should be discussed which are not dealt with at special symposia this year. Thus, the problems related to lumbar disc surgery and its complications were chosen as one main topic. This important chapter of neurosurgery worries (and not seldom depresses) us in our daily work. A joint statistic analysis has been made, for which we are indebted to the colleagues from the following university clinics: Essen, Freiburg, Graz, Hannover, Heidelberg, Kiel, Koln, Mainz, Wiirzburg, Berlin-Charlottenburg, Berlin Steglitz, of the Neurosurgical Department of the BG-U nfallklinik Frankfurt/Main, of the Neurosurgical Department Wagner-J auregg-Krankenhaus Linz, of the Neurosurgical Clinic of the Katharinen-Hospital Stuttgart, and of the Neurosurgical Clinic of the Stadt. Krankenhaus Berlin-N eukolln.

Proceedings of the 27th Annual Meeting of the Deutsche Gesellschaft für Neurochirurgie, Berlin, September 12-15, 1976

Lumbar Disc Adult Hydrocephalus

M. Brock

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