Linked Life Data

8273734

Source:http://linkedlifedata.com/resource/pubmed/id/8273734

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1994-2-3
pubmed:abstractText
Although a subjective assessment of left ventricular (LV) size can be made from planar thallium images, the validity of this practice had not been critically assessed. The objective of this study was to determine the accuracy of planar thallium imaging in the assessment of LV size by using two-dimensional guided M-mode echocardiographic measurements as the standard. Consecutive patients (n = 100) who had clinically indicated stress thallium and echocardiography done within a time interval of 1 month were selected. LV size was classified as dilated or normal on immediate and 4-hour-delayed thallium scans by the consensus of two blinded observers. When present, perfusion defects were noted. LV end-diastolic internal diameter (LVIDd) was measured on M-mode images. The mean LVIDd was 5.7 cm in patients with dilated LVs compared with 5.0 cm in those with normal LVs (p < 0.01). By using an LVIDd of 5.6 cm as the upper limit of normal, the sensitivity and specificity of planar thallium imaging for detection of left ventricle enlargement were 87% and 86%, respectively. Corresponding positive and negative predictive accuracies in this population were 65% and 96%, respectively. There was a higher incidence of fixed defects in group 1 (p < 0.01). We conclude that LV enlargement can be easily and reliably determined from routine planar thallium images.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jan
pubmed:issn
0002-8703
pubmed:author
pubmed:issnType
Print
pubmed:volume
127
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
148-51
pubmed:dateRevised
2006-2-27
pubmed:meshHeading
pubmed:year
1994
pubmed:articleTitle
Assessment of left ventricular enlargement from planar thallium-201 images.
pubmed:affiliation
Department of Radiology, State University of New York at Stony Brook.
pubmed:publicationType
Journal Article