Linked Life Data

19952473

Source:http://linkedlifedata.com/resource/pubmed/id/19952473

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
2009-12-2
pubmed:abstractText
Cardiac function during exercise is assumed to be important in determining exercise tolerance. The aims of this study were to evaluate changes in left ventricular diastolic function (LVDF) during exercise and its effect on exercise tolerance assessed by a noninvasive method, exercise-stress tissue Doppler echocardiography. Twenty-six men with sinus rhythm (controls, hypertension, and cardiomyopathy) underwent cardiopulmonary exercise testing. To assess LVDF during exercise, exercise-stress Doppler echocardiography was performed with a constant workload at rest, and at 50%, 100%, and 120% of anaerobic threshold (AT). Doppler variables related to LVDF increased significantly as the workload increased (P < 0.05). Resting E'correlated significantly with AT (r = 0.424, P = 0.0308) and peak VO(2) (r = 0.471, P = 0.0152). However, the difference in E'between rest and 120% AT (DeltaE') was closely correlated with AT (r = 0.744, P < 0.0001) and peak VO(2) (r = 0.748, P < 0.0001). Moreover, DeltaE'was correlated independently with AT (P = 0.0321) and peak VO(2) (P = 0.0192) by multiple regression analysis. These results suggest that the ability to increase LVDF during exercise is an important factor in determining exercise tolerance.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
1349-2365
pubmed:author
pubmed:issnType
Print
pubmed:volume
50
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
763-71
pubmed:meshHeading
pubmed:year
2009
pubmed:articleTitle
Effect of changes in left ventricular diastolic function during exercise on exercise tolerance assessed by exercise-stress tissue Doppler echocardiography.
pubmed:affiliation
Department of Medicine and Biological Science, Graduate School of Medicine, Gunma University, Maebashi, Gumma, Japan.
pubmed:publicationType
Journal Article