MovDisordV3, PascalFrancis, Corpus, bibRecord, 000D57

Development of a Brief Ataxia Rating Scale (BARS) Based on a Modified Form of the ICARS

Identifieur interne : 000D57 ( PascalFrancis/Corpus ); précédent : 000D56; suivant : 000D58

Development of a Brief Ataxia Rating Scale (BARS) Based on a Modified Form of the ICARS

Auteurs : Jeremy D. Schmahmann ; Raquel Gardner ; Jason Macmore ; Mark G. Vangel

Source :

Movement disorders [ 0885-3185 ] ; 2009.

RBID : Pascal:09-0431505

Descripteurs français

Pascal (Inist)
- Ataxie, Pathologie du système nerveux, Echelle d'évaluation, Barre, Cervelet.

English descriptors

KwdEn :
- Ataxia, Bar, Cerebellum, Evaluation scale, Nervous system diseases.

Abstract

To develop a brief ataxia rating scale (BARS) for use by movement disorder specialists and general neurologists. Current ataxia rating scales are cumbersome and not designed for clinical practice. We first modified the International Cooperative Ataxia Rating Scale (ICARS) by adding seven ataxia tests (modified ICARS, or MICARS), and observed only minimally increased scores. We then used the statistics package R to find a five-test subset in MICARS that would correlate best with the total MICARS score. This was accomplished first without constraints and then with the clinical constraint requiring one test each of Gait, Kinetic Function-Arm, Kinetic Function-Leg, Speech, and Eye Movements. We validated these clinical constraints by factor analysis. We then validated the results in a second cohort of patients; evaluated inter-rater reliability in a third cohort; and used the same data set to compare BARS with the Scale for the Assessment and Rating of Ataxia (SARA). Correlation of ICARS with the seven additional tests that when added to ICARS form MICARS was 0.88. There were 31,481 five-test subtests (48% of possible combinations) that had a correlation with total MICARS score of ≥0.90. The strongest correlation of an unconstrained five-test subset was 0.963. The clinically constrained subtest validated by factor analysis, BARS, had a correlation with MICARS-minus-BARS of 0.952. Cronbach alpha for BARS and SARA was 0.90 and 0.92 respectively; and inter-rater reliability (intraclass correlation coefficient) was 0.91 and 0.93 respectively. BARS is valid, reliable, and sufficiently fast and accurate for clinical purposes.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A11	`02`	`1`		`@1 GARDNER (Raquel)`
A11	`03`	`1`		`@1 MACMORE (Jason)`
A11	`04`	`1`		`@1 VANGEL (Mark G.)`
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Format Inist (serveur)

NO :	PASCAL 09-0431505 INIST
ET :	Development of a Brief Ataxia Rating Scale (BARS) Based on a Modified Form of the ICARS
AU :	SCHMAHMANN (Jeremy D.); GARDNER (Raquel); MACMORE (Jason); VANGEL (Mark G.)
AF :	Department of Neurology, Massachusetts General Hospital and Harvard Medical School/Boston, Massachusetts/Etats-Unis (1 aut., 2 aut., 3 aut., 4 aut.)
DT :	Publication en série; Niveau analytique
SO :	Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2009; Vol. 24; No. 12; Pp. 1820-1828; Bibl. 27 ref.
LA :	Anglais
EA :	To develop a brief ataxia rating scale (BARS) for use by movement disorder specialists and general neurologists. Current ataxia rating scales are cumbersome and not designed for clinical practice. We first modified the International Cooperative Ataxia Rating Scale (ICARS) by adding seven ataxia tests (modified ICARS, or MICARS), and observed only minimally increased scores. We then used the statistics package R to find a five-test subset in MICARS that would correlate best with the total MICARS score. This was accomplished first without constraints and then with the clinical constraint requiring one test each of Gait, Kinetic Function-Arm, Kinetic Function-Leg, Speech, and Eye Movements. We validated these clinical constraints by factor analysis. We then validated the results in a second cohort of patients; evaluated inter-rater reliability in a third cohort; and used the same data set to compare BARS with the Scale for the Assessment and Rating of Ataxia (SARA). Correlation of ICARS with the seven additional tests that when added to ICARS form MICARS was 0.88. There were 31,481 five-test subtests (48% of possible combinations) that had a correlation with total MICARS score of ≥0.90. The strongest correlation of an unconstrained five-test subset was 0.963. The clinically constrained subtest validated by factor analysis, BARS, had a correlation with MICARS-minus-BARS of 0.952. Cronbach alpha for BARS and SARA was 0.90 and 0.92 respectively; and inter-rater reliability (intraclass correlation coefficient) was 0.91 and 0.93 respectively. BARS is valid, reliable, and sufficiently fast and accurate for clinical purposes.
CC :	002B17; 002A25L
FD :	Ataxie; Pathologie du système nerveux; Echelle d'évaluation; Barre; Cervelet
FG :	Pathologie de l'encéphale; Pathologie du système nerveux central; Trouble neurologique; Encéphale; Système nerveux central
ED :	Ataxia; Nervous system diseases; Evaluation scale; Bar; Cerebellum
EG :	Cerebral disorder; Central nervous system disease; Neurological disorder; Encephalon; Central nervous system
SD :	Ataxia; Sistema nervioso patología; Escala evaluación; Barra; Cerebelo
LO :	INIST-20953.354000170057120140
ID :	09-0431505

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Pascal:09-0431505

Le document en format XML

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<front><div type="abstract" xml:lang="en">To develop a brief ataxia rating scale (BARS) for use by movement disorder specialists and general neurologists. Current ataxia rating scales are cumbersome and not designed for clinical practice. We first modified the International Cooperative Ataxia Rating Scale (ICARS) by adding seven ataxia tests (modified ICARS, or MICARS), and observed only minimally increased scores. We then used the statistics package R to find a five-test subset in MICARS that would correlate best with the total MICARS score. This was accomplished first without constraints and then with the clinical constraint requiring one test each of Gait, Kinetic Function-Arm, Kinetic Function-Leg, Speech, and Eye Movements. We validated these clinical constraints by factor analysis. We then validated the results in a second cohort of patients; evaluated inter-rater reliability in a third cohort; and used the same data set to compare BARS with the Scale for the Assessment and Rating of Ataxia (SARA). Correlation of ICARS with the seven additional tests that when added to ICARS form MICARS was 0.88. There were 31,481 five-test subtests (48% of possible combinations) that had a correlation with total MICARS score of ≥0.90. The strongest correlation of an unconstrained five-test subset was 0.963. The clinically constrained subtest validated by factor analysis, BARS, had a correlation with MICARS-minus-BARS of 0.952. Cronbach alpha for BARS and SARA was 0.90 and 0.92 respectively; and inter-rater reliability (intraclass correlation coefficient) was 0.91 and 0.93 respectively. BARS is valid, reliable, and sufficiently fast and accurate for clinical purposes.</div>
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<s5>41</s5>
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<s5>42</s5>
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<server><NO>PASCAL 09-0431505 INIST</NO>
<ET>Development of a Brief Ataxia Rating Scale (BARS) Based on a Modified Form of the ICARS</ET>
<AU>SCHMAHMANN (Jeremy D.); GARDNER (Raquel); MACMORE (Jason); VANGEL (Mark G.)</AU>
<AF>Department of Neurology, Massachusetts General Hospital and Harvard Medical School/Boston, Massachusetts/Etats-Unis (1 aut., 2 aut., 3 aut., 4 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2009; Vol. 24; No. 12; Pp. 1820-1828; Bibl. 27 ref.</SO>
<LA>Anglais</LA>
<EA>To develop a brief ataxia rating scale (BARS) for use by movement disorder specialists and general neurologists. Current ataxia rating scales are cumbersome and not designed for clinical practice. We first modified the International Cooperative Ataxia Rating Scale (ICARS) by adding seven ataxia tests (modified ICARS, or MICARS), and observed only minimally increased scores. We then used the statistics package R to find a five-test subset in MICARS that would correlate best with the total MICARS score. This was accomplished first without constraints and then with the clinical constraint requiring one test each of Gait, Kinetic Function-Arm, Kinetic Function-Leg, Speech, and Eye Movements. We validated these clinical constraints by factor analysis. We then validated the results in a second cohort of patients; evaluated inter-rater reliability in a third cohort; and used the same data set to compare BARS with the Scale for the Assessment and Rating of Ataxia (SARA). Correlation of ICARS with the seven additional tests that when added to ICARS form MICARS was 0.88. There were 31,481 five-test subtests (48% of possible combinations) that had a correlation with total MICARS score of ≥0.90. The strongest correlation of an unconstrained five-test subset was 0.963. The clinically constrained subtest validated by factor analysis, BARS, had a correlation with MICARS-minus-BARS of 0.952. Cronbach alpha for BARS and SARA was 0.90 and 0.92 respectively; and inter-rater reliability (intraclass correlation coefficient) was 0.91 and 0.93 respectively. BARS is valid, reliable, and sufficiently fast and accurate for clinical purposes.</EA>
<CC>002B17; 002A25L</CC>
<FD>Ataxie; Pathologie du   système nerveux; Echelle d'évaluation; Barre; Cervelet</FD>
<FG>Pathologie de l'encéphale; Pathologie du   système nerveux central; Trouble neurologique; Encéphale; Système nerveux central</FG>
<ED>Ataxia; Nervous system diseases; Evaluation scale; Bar; Cerebellum</ED>
<EG>Cerebral disorder; Central nervous system disease; Neurological disorder; Encephalon; Central nervous system</EG>
<SD>Ataxia; Sistema nervioso patología; Escala evaluación; Barra; Cerebelo</SD>
<LO>INIST-20953.354000170057120140</LO>
<ID>09-0431505</ID>
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	Movement Disorders (revue)
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Movement Disorders (revue)

Development of a Brief Ataxia Rating Scale (BARS) Based on a Modified Form of the ICARS

Development of a Brief Ataxia Rating Scale (BARS) Based on a Modified Form of the ICARS

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