Linked Life Data

20633160

Source:http://linkedlifedata.com/resource/pubmed/id/20633160

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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
2010-7-16
pubmed:abstractText
The maximum ventricular elastance is a reliable index for assessing the cardiac function from changes in its pressure-volume relationship. The advantage of this index is that it can represent the contractility of either unassisted hearts or native hearts assisted with rotary blood pumps. However, there are situations in which changes in the ventricular load required for the conventional estimation method might be risky. For example, in a bridge-to-recovery the cardiac function should also be continuously observed after the implantation of a rotary blood pump. In this article, we present the results of the estimation of the maximum elastance with in vivo data using the parameter optimization method, which is a single-beat estimation method. The estimated values for the normal cardiac function (6.8 +/- 0.6, 4.5 +/- 0.9, 4.2 +/- 1.8 mm Hg/mL) were significantly different from those for the low cardiac function (3.2 +/- 1.5, 1.9 +/- 1.0, 1.9 +/- 1.2 mm Hg/mL) from the data of the three animals that were analyzed. Besides, the maximum elastance values were independent of the pump rotational speed. These results indicate that this index might be useful for the detection of the myocardial recovery.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
1525-1594
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
34
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
442-6
pubmed:meshHeading
pubmed:year
2010
pubmed:articleTitle
Estimation of maximum ventricular elastance under assistance with a rotary blood pump.
pubmed:affiliation
Graduate School of Biomedical Engineering, Tohoku University, Yoshizawa Laboratory, 6-6-05 Aoba, Aramaki, Aoba-ku, Sendai, Japan. telma@yoshizawa.ecei.tohoku.ac.jp
pubmed:publicationType
Journal Article