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Vol. 80, No. 1-4, 2003
Issue release date: January 2004
Section title: Movement Disorders
Meet Am Soc Stereotact Funct Neurosurg, New York, N.Y., 2003. Stereotact Funct Neurosurg 2003;80:43–47
(DOI:10.1159/000075159)

Effect of Motor Improvement on Quality of Life following Subthalamic Stimulation Is Mediated by Changes in Depressive Symptomatology

Tröster A.I. · Fields J.A. · Wilkinson S. · Pahwa R. · Koller W.C. · Lyons K.E.
Departments of aPsychiatry and Behavioral Sciences, and bNeurological Surgery, University of Washington, Seattle, Wash., cDepartment of Neurology, University of North Carolina School of Medicine, Chapel Hill, N.C., dDivision of Neurosurgery, eDepartment of Neurology, University of Kansas Medical Center, Kansas City, Kans., and fDepartment of Neurology, Mount Sinai School of Medicine, New York, N.Y., USA

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Article / Publication Details

First-Page Preview
Abstract of Movement Disorders

Published online: 1/29/2004

Number of Print Pages: 5
Number of Figures: 0
Number of Tables: 0

ISSN: 1011-6125 (Print)
eISSN: 1423-0372 (Online)

For additional information: http://www.karger.com/SFN

Abstract

Background/Aims: Subthalamic deep brain stimulation (STN-DBS) for Parkinson’s disease (PD) improves motor symptoms and quality of life (QOL). Because depression is a potent correlate of QOL, and STN-DBS may be associated with changes in mood, this study sought to determine whether QOL improvement is a direct or indirect consequence of motor improvement. Methods: 26 patients with PD, free of dementia and major depression, who consecutively underwent bilateral, microelectrode-guided STN-DBS, underwent preoperative and 3-month postoperative neuropsychological evaluation, including measures of QOL (PD Questionnaire –39) and depressive symptoms (Beck Depression Inventory). Results: Motor score in the Unified Parkinson’s Disease Rating Scale (UPDRS Part III) improved significantly with STN-DBS relative to preoperative ‘on’ and ‘off’ scores, as did QOL and depressive symptoms. Extent of QOL improvement tended to be associated with improvement in motor score from presurgical on to postsurgical on stimulation and on medication state. QOL improvement was significantly related to amelioration of depressive symptoms. Partial correlations revealed that the association between QOL improvement and depression remained significant when influence of motor improvement on QOL and depression was controlled for. The motor-QOL association was no longer significant when effects of depression were controlled for. Conclusions: Significant QOL improvements after STN-DBS are associated with improved motor ‘on’ state and depressive symptoms. The influence of motor improvement on QOL may be largely indirect by reducing depression.


Article / Publication Details

First-Page Preview
Abstract of Movement Disorders

Published online: 1/29/2004

Number of Print Pages: 5
Number of Figures: 0
Number of Tables: 0

ISSN: 1011-6125 (Print)
eISSN: 1423-0372 (Online)

For additional information: http://www.karger.com/SFN


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Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher or, in the case of photocopying, direct payment of a specified fee to the Copyright Clearance Center.
Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in goverment regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

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