MovDisordV3, Ncbi, Checkpoint, bibRecord, 002676

Walking economy in people with Parkinson's disease

Identifieur interne : 002676 ( Ncbi/Checkpoint ); précédent : 002675; suivant : 002677

Walking economy in people with Parkinson's disease

Auteurs : Cory L. Christiansen [États-Unis] ; Margaret L. Schenkman [États-Unis] ; Kim Mcfann [États-Unis] ; Pamela Wolfe [États-Unis] ; Wendy M. Kohrt [États-Unis]

Source :

Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 2009.

RBID : PMC:2744295

English descriptors

KwdEn :
- Aged, Exercise Test (methods), Female, Heart Rate (physiology), Humans, Male, Middle Aged, Oxygen Consumption (physiology), Parkinson Disease (physiopathology), Severity of Illness Index, Statistics as Topic, Walking (physiology).
MESH :
- methods : Exercise Test.
- physiology : Heart Rate, Oxygen Consumption, Walking.
- physiopathology : Parkinson Disease.
- Aged, Female, Humans, Male, Middle Aged, Severity of Illness Index, Statistics as Topic.

Abstract

Gait dysfunction is an early problem identified by patients with Parkinson's disease (PD). Alterations in gait may result in an increase in the energy cost of walking (i.e., walking economy). The purpose of this study was to determine whether walking economy is atypical in patients with PD when compared with healthy controls. A secondary purpose was to evaluate the associations of age, sex, and level of disease severity with walking economy in patients with PD. The rate of oxygen consumption (VO₂) and other responses to treadmill walking were compared in 90 patients (64.4±10.3 yr) and 44 controls (64.6±7.3 yr) at several walking speeds. Pearson correlation coefficients (r) were calculated to determine relationships of age, sex, and disease state with walking economy in PD patients. Walking economy was significantly worse in PD patients than in controls at all speeds above 1.0 mph. Across all speeds, VO₂ was 6 to 10% higher in PD patients. Heart rate, minute ventilation, respiratory exchange ratio, and rating of perceived exertion were correspondingly elevated. No significant relationship of age, sex, or UPDRS score with VO₂ was found for patients with PD. The findings suggest that the physiologic stress of daily physical activities is increased in patients with early to mid-stage PD, and this may contribute to the elevated level of fatigue that is characteristic of PD.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2744295

DOI: 10.1002/mds.22621
PubMed: 19441128
PubMed Central: 2744295

Affiliations:

Links to Exploration step

PMC:2744295

Le document en format XML

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<author><name sortKey="Schenkman, Margaret L" sort="Schenkman, Margaret L" uniqKey="Schenkman M" first="Margaret L" last="Schenkman">Margaret L. Schenkman</name>
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<front><div type="abstract" xml:lang="en"><p id="P25">Gait dysfunction is an early problem identified by patients with Parkinson's disease (PD). Alterations in gait may result in an increase in the energy cost of walking (i.e., walking economy). The purpose of this study was to determine whether walking economy is atypical in patients with PD when compared with healthy controls. A secondary purpose was to evaluate the associations of age, sex, and level of disease severity with walking economy in patients with PD. The rate of oxygen consumption (VO<sub>2</sub>
) and other responses to treadmill walking were compared in 90 patients (64.4±10.3 yr) and 44 controls (64.6±7.3 yr) at several walking speeds. Pearson correlation coefficients (r) were calculated to determine relationships of age, sex, and disease state with walking economy in PD patients. Walking economy was significantly worse in PD patients than in controls at all speeds above 1.0 mph. Across all speeds, VO<sub>2</sub>
 was 6 to 10% higher in PD patients. Heart rate, minute ventilation, respiratory exchange ratio, and rating of perceived exertion were correspondingly elevated. No significant relationship of age, sex, or UPDRS score with VO<sub>2</sub>
 was found for patients with PD. The findings suggest that the physiologic stress of daily physical activities is increased in patients with early to mid-stage PD, and this may contribute to the elevated level of fatigue that is characteristic of PD.</p>
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<name sortKey="Schenkman, Margaret L" sort="Schenkman, Margaret L" uniqKey="Schenkman M" first="Margaret L" last="Schenkman">Margaret L. Schenkman</name>
<name sortKey="Wolfe, Pamela" sort="Wolfe, Pamela" uniqKey="Wolfe P" first="Pamela" last="Wolfe">Pamela Wolfe</name>
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Movement Disorders (revue)

Walking economy in people with Parkinson's disease

Walking economy in people with Parkinson's disease

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

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

	Movement Disorders (revue)
	Attention, ce site est en cours de développement ! Attention, site généré par des moyens informatiques à partir de corpus bruts. Les informations ne sont donc pas validées.