Alternating two finger tapping with contralateral activation is an objective measure of clinical severity in Parkinson's disease and correlates with PET [18F]-DOPA Ki
Identifieur interne : 003263 ( Main/Exploration ); précédent : 003262; suivant : 003264Alternating two finger tapping with contralateral activation is an objective measure of clinical severity in Parkinson's disease and correlates with PET [18F]-DOPA Ki
Auteurs : P. K. Pal [Canada] ; C. S. Lee [Canada] ; A. Samii [Canada] ; M. Schulzer [Canada] ; A. J. Stoessl [Canada] ; E. K. Mak [Canada] ; J. Wudel [Canada] ; T. Dobko [Canada] ; J. K. C. Tsui [Canada]Source :
- Parkinsonism and Related Disorders [ 1353-8020 ] ; 2001.
English descriptors
Abstract
We explored an objective method of measuring clinical severity of Parkinson's disease. Eighty-six patients with PD and 136 healthy subjects were studied. We serially carried out four types of finger tapping (FT) using a computerized drum machine: (i) repetitive one-finger tapping with an index-finger (F1K1); (ii) one-finger tapping on two keys separated by 20cm (F1K2); (iii) alternate tapping with index and middle fingers on two adjacent keys (F2K2); and (iv) F2K2 with contralateral activation (aF2K2). Analyses on FT included: (i) age and gender effects in healthy volunteers and Parkinson's disease; (ii) comparison between Parkinson patients and controls of similar age distribution; (iii) correlation with the Purdue Pegboard and Modified Columbia Scale in Disease; and (iv) in a subset of patients in whom PET scans were performed (n=30), correlation with 18F-DOPA uptake constant (Ki). In healthy subjects, there was a negative age effect on FT scores and a gender effect, with males scoring higher than females. All FT scores were significantly lower in the Parkinson patients, correlated with Purdue Peg Board, and inversely with the duration of illness, and with the Modified Columbia Scale. The 18F-DOPA Ki correlated significantly with aF2K2 (p=0.024), less so with PPB (p=0.038), but not with the Modified Columbia Scale. We conclude that alternating two-finger tapping with contralateral hand activation is a simple, objective test for measuring the severity of Parkinson's disease.
Url:
DOI: 10.1016/S1353-8020(00)00048-1
Affiliations:
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Eighty-six patients with PD and 136 healthy subjects were studied. We serially carried out four types of finger tapping (FT) using a computerized drum machine: (i) repetitive one-finger tapping with an index-finger (F1K1); (ii) one-finger tapping on two keys separated by 20cm (F1K2); (iii) alternate tapping with index and middle fingers on two adjacent keys (F2K2); and (iv) F2K2 with contralateral activation (aF2K2). Analyses on FT included: (i) age and gender effects in healthy volunteers and Parkinson's disease; (ii) comparison between Parkinson patients and controls of similar age distribution; (iii) correlation with the Purdue Pegboard and Modified Columbia Scale in Disease; and (iv) in a subset of patients in whom PET scans were performed (n=30), correlation with 18F-DOPA uptake constant (Ki). In healthy subjects, there was a negative age effect on FT scores and a gender effect, with males scoring higher than females. All FT scores were significantly lower in the Parkinson patients, correlated with Purdue Peg Board, and inversely with the duration of illness, and with the Modified Columbia Scale. The 18F-DOPA Ki correlated significantly with aF2K2 (p=0.024), less so with PPB (p=0.038), but not with the Modified Columbia Scale. We conclude that alternating two-finger tapping with contralateral hand activation is a simple, objective test for measuring the severity of Parkinson's disease.</div></front></TEI><affiliations><list><country><li>Canada</li></country></list><tree><country name="Canada"><noRegion><name sortKey="Pal, P K" sort="Pal, P K" uniqKey="Pal P" first="P. K." last="Pal">P. K. Pal</name></noRegion><name sortKey="Dobko, T" sort="Dobko, T" uniqKey="Dobko T" first="T." last="Dobko">T. Dobko</name><name sortKey="Lee, C S" sort="Lee, C S" uniqKey="Lee C" first="C. S." last="Lee">C. S. Lee</name><name sortKey="Mak, E K" sort="Mak, E K" uniqKey="Mak E" first="E. K." last="Mak">E. K. Mak</name><name sortKey="Samii, A" sort="Samii, A" uniqKey="Samii A" first="A." last="Samii">A. Samii</name><name sortKey="Schulzer, M" sort="Schulzer, M" uniqKey="Schulzer M" first="M." last="Schulzer">M. Schulzer</name><name sortKey="Stoessl, A J" sort="Stoessl, A J" uniqKey="Stoessl A" first="A. J." last="Stoessl">A. J. Stoessl</name><name sortKey="Tsui, J K C" sort="Tsui, J K C" uniqKey="Tsui J" first="J. K. C." last="Tsui">J. K. C. Tsui</name><name sortKey="Tsui, J K C" sort="Tsui, J K C" uniqKey="Tsui J" first="J. K. C." last="Tsui">J. K. C. Tsui</name><name sortKey="Wudel, J" sort="Wudel, J" uniqKey="Wudel J" first="J." last="Wudel">J. Wudel</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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