Cognitive effects of unilateral posteroventral pallidotomy: A 4‐year follow‐up study
Identifieur interne : 001669 ( Istex/Corpus ); précédent : 001668; suivant : 001670Cognitive effects of unilateral posteroventral pallidotomy: A 4‐year follow‐up study
Auteurs : Montse Alegret ; Francesc Valldeoriola ; Eduardo Tolosa ; Pere Vendrell ; Carme Junqué ; José Martínez ; Jordi RumiàSource :
- Movement Disorders [ 0885-3185 ] ; 2003-03.
English descriptors
Abstract
We assessed the long‐term neuropsychological effects of unilateral posteroventral pallidotomy in Parkinson's disease. Eleven Parkinson's disease patients, from an original cohort of 15 consecutive patients who underwent pallidotomy, were evaluated. A neuropsychological battery was administered to each patient before (3 days) and after (3 months and 4 years) surgery during the effects of levodopa. The following tests were administered: Rey's Auditory‐Verbal Learning Test, Visual Associative Learning test from the Wechsler Memory Scale‐Revised, Luria's motor alternation, Benton's Judgment of Line Orientation, Trail Making, phonetic verbal fluency, Stroop test, Petrides' working memory tasks, Beck's depression questionnaire and the Maudsley obsessional–compulsive inventory. In the 3‐month postoperative assessment, there was a significant worsening in phonetic verbal fluency and an improvement in Benton's Judgment of Line Orientation test. In the 4‐year follow‐up assessment, phonetic verbal fluency and Benton's Judgment of Line Orientation test returned to baseline scores. Although there was no significant difference between pre‐ and postsurgical scores for long‐term visual associative memory, there was a significant deterioration between 3‐month and 4‐year follow‐up performances. Our results suggest that unilateral posteroventral pallidotomy may produce transient changes in prefrontal and visuospatial functions, but there is no evidence of permanent neuropsychological effects.
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DOI: 10.1002/mds.10329
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<titleGroup><title type="main" xml:lang="en">Cognitive effects of unilateral posteroventral pallidotomy: A 4‐year follow‐up study</title>
<title type="short" xml:lang="en">Long‐Term Cognitive Effects of Pallidotomy</title>
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<p>We assessed the long‐term neuropsychological effects of unilateral posteroventral pallidotomy in Parkinson's disease. Eleven Parkinson's disease patients, from an original cohort of 15 consecutive patients who underwent pallidotomy, were evaluated. A neuropsychological battery was administered to each patient before (3 days) and after (3 months and 4 years) surgery during the effects of levodopa. The following tests were administered: Rey's Auditory‐Verbal Learning Test, Visual Associative Learning test from the Wechsler Memory Scale‐Revised, Luria's motor alternation, Benton's Judgment of Line Orientation, Trail Making, phonetic verbal fluency, Stroop test, Petrides' working memory tasks, Beck's depression questionnaire and the Maudsley obsessional–compulsive inventory. In the 3‐month postoperative assessment, there was a significant worsening in phonetic verbal fluency and an improvement in Benton's Judgment of Line Orientation test. In the 4‐year follow‐up assessment, phonetic verbal fluency and Benton's Judgment of Line Orientation test returned to baseline scores. Although there was no significant difference between pre‐ and postsurgical scores for long‐term visual associative memory, there was a significant deterioration between 3‐month and 4‐year follow‐up performances. Our results suggest that unilateral posteroventral pallidotomy may produce transient changes in prefrontal and visuospatial functions, but there is no evidence of permanent neuropsychological effects.</p>
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<abstract lang="en">We assessed the long‐term neuropsychological effects of unilateral posteroventral pallidotomy in Parkinson's disease. Eleven Parkinson's disease patients, from an original cohort of 15 consecutive patients who underwent pallidotomy, were evaluated. A neuropsychological battery was administered to each patient before (3 days) and after (3 months and 4 years) surgery during the effects of levodopa. The following tests were administered: Rey's Auditory‐Verbal Learning Test, Visual Associative Learning test from the Wechsler Memory Scale‐Revised, Luria's motor alternation, Benton's Judgment of Line Orientation, Trail Making, phonetic verbal fluency, Stroop test, Petrides' working memory tasks, Beck's depression questionnaire and the Maudsley obsessional–compulsive inventory. In the 3‐month postoperative assessment, there was a significant worsening in phonetic verbal fluency and an improvement in Benton's Judgment of Line Orientation test. In the 4‐year follow‐up assessment, phonetic verbal fluency and Benton's Judgment of Line Orientation test returned to baseline scores. Although there was no significant difference between pre‐ and postsurgical scores for long‐term visual associative memory, there was a significant deterioration between 3‐month and 4‐year follow‐up performances. Our results suggest that unilateral posteroventral pallidotomy may produce transient changes in prefrontal and visuospatial functions, but there is no evidence of permanent neuropsychological effects.</abstract>
<subject lang="en"><genre>Keywords</genre>
<topic>Parkinson's disease</topic>
<topic>pallidotomy</topic>
<topic>neuropsychological</topic>
<topic>frontostriatal circuitry</topic>
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<identifier type="ISSN">0885-3185</identifier>
<identifier type="eISSN">1531-8257</identifier>
<identifier type="DOI">10.1002/(ISSN)1531-8257</identifier>
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<part><date>2003</date>
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<number>18</number>
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