Contribution of Step Length to Increase Walking and Turning Speed as a Marker of Parkinson's Disease Progression.
Identifieur interne : 000185 ( PubMed/Checkpoint ); précédent : 000184; suivant : 000186Contribution of Step Length to Increase Walking and Turning Speed as a Marker of Parkinson's Disease Progression.
Auteurs : Nicolas Bayle [France] ; Amar S. Patel [États-Unis] ; Diana Crisan [États-Unis] ; Lanjun J. Guo [États-Unis] ; Emilie Hutin [France] ; Donald J. Weisz [États-Unis] ; Steven T. Moore [États-Unis] ; Jean-Michel Gracies [États-Unis]Source :
- PloS one [ 1932-6203 ] ; 2016.
Abstract
When increasing ambulation speed in Parkinson's disease, step cadence increases more than stride length, indicating movement scaling difficulties that affect step generation in particular. We investigated whether step length variation when increasing ambulation speed was related to disease progression. Patients with Parkinson's disease (N = 39) and controls (N = 152) performed two timed ambulation tasks: at a 'free' (self-selected) pace and then at 'maximal' speed. The total number of steps (including during turns) and time to complete the task were clinically measured. The relative contribution of step length and cadence to increased ambulation speed was determined using two methods: the ratios of change in step length or in cadence to the change in ambulation speed, and the step length index. While the relative contribution of step length and cadence to increased ambulation speed was independent of age in both control and patient groups, in Parkinson's disease there was a negative correlation between time from diagnosis and the ratio of change in step length to change in ambulation speed (R = 0.54; p = 0.0004) and the step length index (R = 0.56, p = 0.0002). In parallel, there was a positive correlation between time since diagnosis and the ratio of change in cadence to change in ambulation speed (R = 0.57; p = 0.0002). The relative contribution of step length and cadence to increased ambulation speed is age invariant but a marker of Parkinson's disease advancement, and can be easily determined in the clinical setting.
DOI: 10.1371/journal.pone.0152469
PubMed: 27111531
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Bendheim Parkinson and Movement Disorders Center, Department of Neurology, Mount Sinai School of Medicine, New York</wicri:regionArea><placeName><region type="state">État de New York</region></placeName></affiliation></author><author><name sortKey="Crisan, Diana" sort="Crisan, Diana" uniqKey="Crisan D" first="Diana" last="Crisan">Diana Crisan</name><affiliation wicri:level="2"><nlm:affiliation>Neurosurgery Department, Mount Sinai School of Medicine, New York, NY, United States of America.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Neurosurgery Department, Mount Sinai School of Medicine, New York, NY</wicri:regionArea><placeName><region type="state">État de New York</region></placeName></affiliation></author><author><name sortKey="Guo, Lanjun J" sort="Guo, Lanjun J" uniqKey="Guo L" first="Lanjun J" last="Guo">Lanjun J. Guo</name><affiliation wicri:level="2"><nlm:affiliation>Neurosurgery Department, Mount Sinai School of Medicine, New York, NY, United States of America.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Neurosurgery Department, Mount Sinai School of Medicine, New York, NY</wicri:regionArea><placeName><region type="state">État de New York</region></placeName></affiliation></author><author><name sortKey="Hutin, Emilie" sort="Hutin, Emilie" uniqKey="Hutin E" first="Emilie" last="Hutin">Emilie Hutin</name><affiliation wicri:level="3"><nlm:affiliation>Laboratoire Analyse et Restauration du Mouvement, EA BIOTN 7377, Hôpitaux Universitaires Henri Mondor, AP-HP, Université Paris-Est Créteil, Créteil, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Laboratoire Analyse et Restauration du Mouvement, EA BIOTN 7377, Hôpitaux Universitaires Henri Mondor, AP-HP, Université Paris-Est Créteil, Créteil</wicri:regionArea><placeName><region type="region">Île-de-France</region><region type="old region">Île-de-France</region><settlement type="city">Créteil</settlement></placeName></affiliation></author><author><name sortKey="Weisz, Donald J" sort="Weisz, Donald J" uniqKey="Weisz D" first="Donald J" last="Weisz">Donald J. Weisz</name><affiliation wicri:level="2"><nlm:affiliation>Neurosurgery Department, Mount Sinai School of Medicine, New York, NY, United States of America.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Neurosurgery Department, Mount Sinai School of Medicine, New York, NY</wicri:regionArea><placeName><region type="state">État de New York</region></placeName></affiliation></author><author><name sortKey="Moore, Steven T" sort="Moore, Steven T" uniqKey="Moore S" first="Steven T" last="Moore">Steven T. Moore</name><affiliation wicri:level="2"><nlm:affiliation>Robert and John M. Bendheim Parkinson and Movement Disorders Center, Department of Neurology, Mount Sinai School of Medicine, New York, United States of America.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Robert and John M. Bendheim Parkinson and Movement Disorders Center, Department of Neurology, Mount Sinai School of Medicine, New York</wicri:regionArea><placeName><region type="state">État de New York</region></placeName></affiliation></author><author><name sortKey="Gracies, Jean Michel" sort="Gracies, Jean Michel" uniqKey="Gracies J" first="Jean-Michel" last="Gracies">Jean-Michel Gracies</name><affiliation wicri:level="2"><nlm:affiliation>Robert and John M. Bendheim Parkinson and Movement Disorders Center, Department of Neurology, Mount Sinai School of Medicine, New York, United States of America.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Robert and John M. Bendheim Parkinson and Movement Disorders Center, Department of Neurology, Mount Sinai School of Medicine, New York</wicri:regionArea><placeName><region type="state">État de New York</region></placeName></affiliation></author></analytic><series><title level="j">PloS one</title><idno type="eISSN">1932-6203</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">When increasing ambulation speed in Parkinson's disease, step cadence increases more than stride length, indicating movement scaling difficulties that affect step generation in particular. We investigated whether step length variation when increasing ambulation speed was related to disease progression. Patients with Parkinson's disease (N = 39) and controls (N = 152) performed two timed ambulation tasks: at a 'free' (self-selected) pace and then at 'maximal' speed. The total number of steps (including during turns) and time to complete the task were clinically measured. The relative contribution of step length and cadence to increased ambulation speed was determined using two methods: the ratios of change in step length or in cadence to the change in ambulation speed, and the step length index. While the relative contribution of step length and cadence to increased ambulation speed was independent of age in both control and patient groups, in Parkinson's disease there was a negative correlation between time from diagnosis and the ratio of change in step length to change in ambulation speed (R = 0.54; p = 0.0004) and the step length index (R = 0.56, p = 0.0002). In parallel, there was a positive correlation between time since diagnosis and the ratio of change in cadence to change in ambulation speed (R = 0.57; p = 0.0002). The relative contribution of step length and cadence to increased ambulation speed is age invariant but a marker of Parkinson's disease advancement, and can be easily determined in the clinical setting.</div></front></TEI><pubmed><MedlineCitation Status="In-Process" Owner="NLM"><PMID Version="1">27111531</PMID><DateCreated><Year>2016</Year><Month>04</Month><Day>26</Day></DateCreated><DateRevised><Year>2017</Year><Month>02</Month><Day>14</Day></DateRevised><Article PubModel="Electronic-eCollection"><Journal><ISSN IssnType="Electronic">1932-6203</ISSN><JournalIssue CitedMedium="Internet"><Volume>11</Volume><Issue>4</Issue><PubDate><Year>2016</Year></PubDate></JournalIssue><Title>PloS one</Title><ISOAbbreviation>PLoS ONE</ISOAbbreviation></Journal><ArticleTitle>Contribution of Step Length to Increase Walking and Turning Speed as a Marker of Parkinson's Disease Progression.</ArticleTitle><Pagination><MedlinePgn>e0152469</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1371/journal.pone.0152469</ELocationID><Abstract><AbstractText>When increasing ambulation speed in Parkinson's disease, step cadence increases more than stride length, indicating movement scaling difficulties that affect step generation in particular. We investigated whether step length variation when increasing ambulation speed was related to disease progression. Patients with Parkinson's disease (N = 39) and controls (N = 152) performed two timed ambulation tasks: at a 'free' (self-selected) pace and then at 'maximal' speed. The total number of steps (including during turns) and time to complete the task were clinically measured. The relative contribution of step length and cadence to increased ambulation speed was determined using two methods: the ratios of change in step length or in cadence to the change in ambulation speed, and the step length index. While the relative contribution of step length and cadence to increased ambulation speed was independent of age in both control and patient groups, in Parkinson's disease there was a negative correlation between time from diagnosis and the ratio of change in step length to change in ambulation speed (R = 0.54; p = 0.0004) and the step length index (R = 0.56, p = 0.0002). In parallel, there was a positive correlation between time since diagnosis and the ratio of change in cadence to change in ambulation speed (R = 0.57; p = 0.0002). The relative contribution of step length and cadence to increased ambulation speed is age invariant but a marker of Parkinson's disease advancement, and can be easily determined in the clinical setting.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Bayle</LastName><ForeName>Nicolas</ForeName><Initials>N</Initials><AffiliationInfo><Affiliation>Laboratoire Analyse et Restauration du Mouvement, EA BIOTN 7377, Hôpitaux Universitaires Henri Mondor, AP-HP, Université Paris-Est Créteil, Créteil, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Patel</LastName><ForeName>Amar S</ForeName><Initials>AS</Initials><AffiliationInfo><Affiliation>Robert and John M. Bendheim Parkinson and Movement Disorders Center, Department of Neurology, Mount Sinai School of Medicine, New York, United States of America.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Crisan</LastName><ForeName>Diana</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Neurosurgery Department, Mount Sinai School of Medicine, New York, NY, United States of America.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Guo</LastName><ForeName>Lanjun J</ForeName><Initials>LJ</Initials><AffiliationInfo><Affiliation>Neurosurgery Department, Mount Sinai School of Medicine, New York, NY, United States of America.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hutin</LastName><ForeName>Emilie</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>Laboratoire Analyse et Restauration du Mouvement, EA BIOTN 7377, Hôpitaux Universitaires Henri Mondor, AP-HP, Université Paris-Est Créteil, Créteil, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Weisz</LastName><ForeName>Donald J</ForeName><Initials>DJ</Initials><AffiliationInfo><Affiliation>Neurosurgery Department, Mount Sinai School of Medicine, New York, NY, United States of America.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Moore</LastName><ForeName>Steven T</ForeName><Initials>ST</Initials><AffiliationInfo><Affiliation>Robert and John M. Bendheim Parkinson and Movement Disorders Center, Department of Neurology, Mount Sinai School of Medicine, New York, United States of America.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Human Aerospace Laboratory, Department of Neurology, Mount Sinai School of Medicine, New York, United States of America.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gracies</LastName><ForeName>Jean-Michel</ForeName><Initials>JM</Initials><AffiliationInfo><Affiliation>Robert and John M. 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Jun;103(2):301-14</RefSource><PMID Version="1">7397480</PMID></CommentsCorrections></CommentsCorrectionsList><OtherID Source="NLM">PMC4844147</OtherID></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2015</Year><Month>11</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2016</Year><Month>03</Month><Day>15</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>4</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>4</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>4</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>epublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">27111531</ArticleId><ArticleId IdType="doi">10.1371/journal.pone.0152469</ArticleId><ArticleId 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Patel</name></region><name sortKey="Crisan, Diana" sort="Crisan, Diana" uniqKey="Crisan D" first="Diana" last="Crisan">Diana Crisan</name><name sortKey="Gracies, Jean Michel" sort="Gracies, Jean Michel" uniqKey="Gracies J" first="Jean-Michel" last="Gracies">Jean-Michel Gracies</name><name sortKey="Guo, Lanjun J" sort="Guo, Lanjun J" uniqKey="Guo L" first="Lanjun J" last="Guo">Lanjun J. Guo</name><name sortKey="Moore, Steven T" sort="Moore, Steven T" uniqKey="Moore S" first="Steven T" last="Moore">Steven T. Moore</name><name sortKey="Weisz, Donald J" sort="Weisz, Donald J" uniqKey="Weisz D" first="Donald J" last="Weisz">Donald J. Weisz</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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