MovDisordV3, PubMed, Corpus, bibRecord, 003A59

Diagnosing Parkinson's disease using videotaped neurological examinations: validity and factors that contribute to incorrect diagnoses.

Identifieur interne : 003A59 ( PubMed/Corpus ); précédent : 003A58; suivant : 003A60

Diagnosing Parkinson's disease using videotaped neurological examinations: validity and factors that contribute to incorrect diagnoses.

Auteurs : Elan D. Louis ; Gilberto Levy ; Lucien J. Côte ; Helen Mejia ; Stanley Fahn ; Karen Marder

Source :

Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 2002.

RBID : pubmed:12112199

English descriptors

KwdEn :
- Adult, Aged, Aged, 80 and over, Female, Humans, Male, Middle Aged, Neurologic Examination (methods), Parkinson Disease (diagnosis), Reproducibility of Results, Sensitivity and Specificity, Severity of Illness Index, Time Factors, Videotape Recording.
MESH :
- diagnosis : Parkinson Disease.
- methods : Neurologic Examination.
- Adult, Aged, Aged, 80 and over, Female, Humans, Male, Middle Aged, Reproducibility of Results, Sensitivity and Specificity, Severity of Illness Index, Time Factors, Videotape Recording.

Abstract

Field work is commonly required in movement disorders research. Sending neurologists into the field can be logistically challenging and costly. Alternatively, neurological examinations may be videotaped and reviewed later. There is little knowledge of the validity of the videotaped neurological examination in the diagnosis of Parkinson's disease (PD). We examined the validity of the videotaped Unified Parkinson's Disease Rating Scale (UPDRS) motor examination in the diagnosis of PD, and sought to determine which factors are associated with incorrect diagnoses. PD patients and controls were enrolled in a familial aggregation study between August of 1998 and June of 2000, and as part of that study each was examined by a physician who performed an in-person UPDRS motor examination. Each also underwent a second, videotaped UPDRS motor examination. Based on the review of this videotape, a neurologist, who was blinded to the previous clinical diagnosis, assigned a diagnosis of PD or normal. A total of 211 of 231 PD patients (sensitivity = 91.3%), and 170 of 172 controls (specificity = 98.8%) were correctly identified based on the videotape. True positives had a higher mean rest tremor score (1.7 vs. 0.3; P < 0.001), action tremor score (0.9 vs. 0.3; P < 0.001), bradykinesia score (11.2 vs. 7.4; P = 0.02), and disease of longer mean duration (8.9 vs. 5.8 years; P = 0.001) than false negatives. False negatives did not differ from true positives in terms of age, total dose of levodopa, Hoehn and Yahr score, or rigidity, gait and posture, or facial masking scores (each assessed during the in-person examination). The videotaped UPDRS motor examination is a useful means of diagnosing PD and provides an alternative approach for the diagnosis of PD in field studies. A limitation is that patients with milder PD of shorter duration may not be recognized as PD.

DOI: 10.1002/mds.10119
PubMed: 12112199

Links to Exploration step

pubmed:12112199

Le document en format XML

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<author><name sortKey="Louis, Elan D" sort="Louis, Elan D" uniqKey="Louis E" first="Elan D" last="Louis">Elan D. Louis</name>
<affiliation><nlm:affiliation>The Gertrude H. Sergievsky Center, College of Physicians and Surgeons, Columbia University, New York, New York, USA. EDL2@columbia.edu</nlm:affiliation>
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<author><name sortKey="Levy, Gilberto" sort="Levy, Gilberto" uniqKey="Levy G" first="Gilberto" last="Levy">Gilberto Levy</name>
</author>
<author><name sortKey="Cote, Lucien J" sort="Cote, Lucien J" uniqKey="Cote L" first="Lucien J" last="Côte">Lucien J. Côte</name>
</author>
<author><name sortKey="Mejia, Helen" sort="Mejia, Helen" uniqKey="Mejia H" first="Helen" last="Mejia">Helen Mejia</name>
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<author><name sortKey="Fahn, Stanley" sort="Fahn, Stanley" uniqKey="Fahn S" first="Stanley" last="Fahn">Stanley Fahn</name>
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<author><name sortKey="Marder, Karen" sort="Marder, Karen" uniqKey="Marder K" first="Karen" last="Marder">Karen Marder</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Diagnosing Parkinson's disease using videotaped neurological examinations: validity and factors that contribute to incorrect diagnoses.</title>
<author><name sortKey="Louis, Elan D" sort="Louis, Elan D" uniqKey="Louis E" first="Elan D" last="Louis">Elan D. Louis</name>
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<term>Parkinson Disease (diagnosis)</term>
<term>Reproducibility of Results</term>
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<term>Aged</term>
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<term>Reproducibility of Results</term>
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<front><div type="abstract" xml:lang="en">Field work is commonly required in movement disorders research. Sending neurologists into the field can be logistically challenging and costly. Alternatively, neurological examinations may be videotaped and reviewed later. There is little knowledge of the validity of the videotaped neurological examination in the diagnosis of Parkinson's disease (PD). We examined the validity of the videotaped Unified Parkinson's Disease Rating Scale (UPDRS) motor examination in the diagnosis of PD, and sought to determine which factors are associated with incorrect diagnoses. PD patients and controls were enrolled in a familial aggregation study between August of 1998 and June of 2000, and as part of that study each was examined by a physician who performed an in-person UPDRS motor examination. Each also underwent a second, videotaped UPDRS motor examination. Based on the review of this videotape, a neurologist, who was blinded to the previous clinical diagnosis, assigned a diagnosis of PD or normal. A total of 211 of 231 PD patients (sensitivity = 91.3%), and 170 of 172 controls (specificity = 98.8%) were correctly identified based on the videotape. True positives had a higher mean rest tremor score (1.7 vs. 0.3; P < 0.001), action tremor score (0.9 vs. 0.3; P < 0.001), bradykinesia score (11.2 vs. 7.4; P = 0.02), and disease of longer mean duration (8.9 vs. 5.8 years; P = 0.001) than false negatives. False negatives did not differ from true positives in terms of age, total dose of levodopa, Hoehn and Yahr score, or rigidity, gait and posture, or facial masking scores (each assessed during the in-person examination). The videotaped UPDRS motor examination is a useful means of diagnosing PD and provides an alternative approach for the diagnosis of PD in field studies. A limitation is that patients with milder PD of shorter duration may not be recognized as PD.</div>
</front>
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<Title>Movement disorders : official journal of the Movement Disorder Society</Title>
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<Abstract><AbstractText>Field work is commonly required in movement disorders research. Sending neurologists into the field can be logistically challenging and costly. Alternatively, neurological examinations may be videotaped and reviewed later. There is little knowledge of the validity of the videotaped neurological examination in the diagnosis of Parkinson's disease (PD). We examined the validity of the videotaped Unified Parkinson's Disease Rating Scale (UPDRS) motor examination in the diagnosis of PD, and sought to determine which factors are associated with incorrect diagnoses. PD patients and controls were enrolled in a familial aggregation study between August of 1998 and June of 2000, and as part of that study each was examined by a physician who performed an in-person UPDRS motor examination. Each also underwent a second, videotaped UPDRS motor examination. Based on the review of this videotape, a neurologist, who was blinded to the previous clinical diagnosis, assigned a diagnosis of PD or normal. A total of 211 of 231 PD patients (sensitivity = 91.3%), and 170 of 172 controls (specificity = 98.8%) were correctly identified based on the videotape. True positives had a higher mean rest tremor score (1.7 vs. 0.3; P < 0.001), action tremor score (0.9 vs. 0.3; P < 0.001), bradykinesia score (11.2 vs. 7.4; P = 0.02), and disease of longer mean duration (8.9 vs. 5.8 years; P = 0.001) than false negatives. False negatives did not differ from true positives in terms of age, total dose of levodopa, Hoehn and Yahr score, or rigidity, gait and posture, or facial masking scores (each assessed during the in-person examination). The videotaped UPDRS motor examination is a useful means of diagnosing PD and provides an alternative approach for the diagnosis of PD in field studies. A limitation is that patients with milder PD of shorter duration may not be recognized as PD.</AbstractText>
<CopyrightInformation>Copyright 2002 Movement Disorder Society</CopyrightInformation>
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	Movement Disorders (revue)
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Movement Disorders (revue)

Diagnosing Parkinson's disease using videotaped neurological examinations: validity and factors that contribute to incorrect diagnoses.

Diagnosing Parkinson's disease using videotaped neurological examinations: validity and factors that contribute to incorrect diagnoses.

Source :

English descriptors

Abstract

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki