Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
11
pubmed:dateCreated
2006-11-13
pubmed:abstractText
Systole (S) and diastole (D) are fundamental to cardiac function, yet their durations are not routinely evaluated. We defined the S/D duration ratio in 11 children with restrictive cardiomyopathy (CM) and 31 control subjects, using tricuspid regurgitant flow duration. We correlated S/D ratio, S duration, and D duration with heart rate and compared groups. Heart rates of control subjects and patients with restrictive CM were similar (P = .995). The S/D ratio was higher in patients with restrictive CM than in control subjects (1.6 +/- 0.81 vs 0.8 +/- 0.19, P < .001) as a result of shortened D (0.43 +/- 0.13 vs 0.56 +/- 0.06, P < .01) and prolonged S (0.58 +/- 0.12 vs 0.44 +/- 0.06, P < .01). The S/D ratio was highly correlated to heart rate in restrictive CM (r = 0.95, P < .0001). The high S/D ratio found in restrictive CM, found also in dilated CM, suggests that this index is generic to heart failure rather than to a specific disease. The S/D ratio is easily measured using Doppler flow, enhancing echocardiographic assessment of D function in children.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
1097-6795
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
19
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1326-31
pubmed:dateRevised
2007-11-15
pubmed:meshHeading
pubmed:year
2006
pubmed:articleTitle
The systolic to diastolic duration ratio in children with heart failure secondary to restrictive cardiomyopathy.
pubmed:affiliation
Division of Pediatric Cardiology, Department of Pediatrics, Lucille Packard Children's Hospital and Stanford University, Stanford, California, USA.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't