Movement Disorders (revue)

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Portable device for quantifying parkinsonian wrist rigidity

Identifieur interne : 005B11 ( Main/Exploration ); précédent : 005B10; suivant : 005B12

Portable device for quantifying parkinsonian wrist rigidity

Auteurs : Caligiuri [États-Unis]

Source :

RBID : ISTEX:33D32F4BE77BC7BDEEF45FCA0F3D978ABA411C33

Descripteurs français

English descriptors

Abstract

The need for objectivity in the assessment of parkinsonism prompted the development of a portable transducer capable of quantifying muscular rigidity. This paper describes the development and use of a device for measuring wrist rigidity and reports the preliminary findings from 25 normal healthy controls and 29 patients, many of whom were undergoing antiparkinsonian treatment to alleviate rigidity or antipsychotic treatment, which produced parkinsonian rigidity. An objective rigidity score, representing the degree to which motor activity increases muscular stiffness in the wrist, correlates highly with clinical ratings of parkinsonian rigidity and demonstrates 89% specificity and 82% sensitivity. Unlike previous techniques for quantifying rigidity, this transducer offers greater portability and apparent face validity.

Url:
DOI: 10.1002/mds.870090109


Affiliations:


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Le document en format XML

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<term>Adult</term>
<term>Aged</term>
<term>Antiparkinson Agents (adverse effects)</term>
<term>Antiparkinson Agents (therapeutic use)</term>
<term>Antipsychotic Agents (administration & dosage)</term>
<term>Antipsychotic Agents (adverse effects)</term>
<term>Assessment</term>
<term>Carbidopa (adverse effects)</term>
<term>Carbidopa (therapeutic use)</term>
<term>Drug Combinations</term>
<term>Dyskinesia, Drug-Induced (diagnosis)</term>
<term>Dyskinesia, Drug-Induced (drug therapy)</term>
<term>Dyskinesia, Drug-Induced (physiopathology)</term>
<term>Female</term>
<term>Humans</term>
<term>Levodopa (adverse effects)</term>
<term>Levodopa (therapeutic use)</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Muscle Rigidity (diagnosis)</term>
<term>Muscle Rigidity (drug therapy)</term>
<term>Muscle Rigidity (physiopathology)</term>
<term>Muscle Tonus (drug effects)</term>
<term>Muscle Tonus (physiology)</term>
<term>Neurologic Examination (drug effects)</term>
<term>Neurologic Examination (instrumentation)</term>
<term>Parkinson Disease (diagnosis)</term>
<term>Parkinson Disease (drug therapy)</term>
<term>Parkinson Disease (physiopathology)</term>
<term>Parkinson Disease, Secondary (chemically induced)</term>
<term>Parkinson Disease, Secondary (diagnosis)</term>
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<term>Parkinson Disease, Secondary</term>
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<term>Muscle Rigidity</term>
<term>Parkinson Disease</term>
<term>Parkinson Disease, Secondary</term>
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<term>Muscle Rigidity</term>
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<div type="abstract" xml:lang="en">The need for objectivity in the assessment of parkinsonism prompted the development of a portable transducer capable of quantifying muscular rigidity. This paper describes the development and use of a device for measuring wrist rigidity and reports the preliminary findings from 25 normal healthy controls and 29 patients, many of whom were undergoing antiparkinsonian treatment to alleviate rigidity or antipsychotic treatment, which produced parkinsonian rigidity. An objective rigidity score, representing the degree to which motor activity increases muscular stiffness in the wrist, correlates highly with clinical ratings of parkinsonian rigidity and demonstrates 89% specificity and 82% sensitivity. Unlike previous techniques for quantifying rigidity, this transducer offers greater portability and apparent face validity.</div>
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