Overview

The main aim of this study is to define the clinical criteria which must be considered in order to come to an adequate decision whether a patient with intracranial arteriovenous malformation (AVM) should be operated upon or treated conservatively. A special method was used to reduce the effects of selection. This method made it possible to evaluate the therapeutic efficacy of conservative treatment versus surgery. The method implies that patients with equal combinations of variables (risk profiles) were compared in the two treatment lines. The variables building up the risk-profile pattern were chosen by analysing the decision process, as it was originally practiced by the surgeon who selected and treated the patients of this study. The risk profiles thus described relevant characteristics of the patient and his malformation. The variables were assigned numerical values accord­ ing to their prognostic value. Summation of the variables making up the risk profile then gives each risk profile a certain value. A low value symbolizes a bad prognosis and a high value a good prognosis in both treatment groups. There were many risk profiles with the same value in both groups and a comparison could be made over a large part of the risk-profile scale. This comparison showed that surgical treatment of A VM can always be justified, although the indications for surgery are less strong in patients with low risk­ profile values.

Full Product Details

Author:   C.-A. Carlsson ,  L. Pellettieri ,  S. Grevsten ,  G. Norlen
Publisher:   Springer Verlag GmbH
Imprint:   Springer Verlag GmbH
Volume:   29
Dimensions:   Width: 15.50cm , Height: 0.50cm , Length: 23.50cm
Weight:   0.200kg
ISBN:  

9783211815618

ISBN 10:   3211815619
Pages:   86
Publication Date:   08 February 1980
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   In Print  
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Table of Contents

I. General Introduction.- Aim of the Study.- Methodological Considerations.- II. Morphological Aspects.- Classification.- Patients and Methods.- Results.- Position and Size of the AVM in Relation to the Patient's Age and Sex.- Arterial Vascularization of AVM.- Venous Drainage of AVM.- Relationship Between AVM With Aberrant Venous Drainage and Haemorrhage.- Discussion.- III. The Original Clinical Decision.- Patients and Methods.- Results.- Discussion.- IV. Conservative Treatment.- Previous Reports.- Patients and Methods.- Results.- Mortality.- Type of Onset.- Relationships Between the Variables.- Outcome.- Ranking of Variables.- Discussion.- V. Surgical Treatment.- Previous Reports.- Patients and Methods.- Results.- Operative Findings.- Mortality.- Relationships Between the Variables.- Outcome.- Ranking of Variables.- Comparison Between Congruent Risk Profiles in the Nonoperated and Operated Group.- Discussion.- VI. The Decision Process and Assessment of the Prognosis.- Patients and Methods.- Methods of Calculation.- Results.- Discussion.- VII. General Discussion and Conclusion.- References.

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