Transthoracic Coronary Flow Data at Rest Predict High-Risk Stress Tests
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62157124%3A16370%2F18%3A43877065" target="_blank" >RIV/62157124:16370/18:43877065 - isvavai.cz</a>
Alternative codes found
RIV/00216224:14110/18:00104143 RIV/00159816:_____/18:00068744
Result on the web
<a href="http://dx.doi.org/10.1177/0284185117733143" target="_blank" >http://dx.doi.org/10.1177/0284185117733143</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1177/0284185117733143" target="_blank" >10.1177/0284185117733143</a>
Alternative languages
Result language
angličtina
Original language name
Transthoracic Coronary Flow Data at Rest Predict High-Risk Stress Tests
Original language description
Background: Several recent studies have reported the opportunity to diagnose significant narrowing of the coronary arteries without stress testing using local flow acceleration. Purpose: To define how often patients with increased coronary flow velocities at rest (>= 0.70 m/s) have a positive exercise echocardiography test. Material and Methods: A total of 150 patients scheduled for exercise echocardiography were studied using transthoracic Doppler echocardiography in order to assess coronary artery flow velocity before exercise. Pulsed wave Doppler registered blood flow velocity placed on the color signal. The maximal diastolic velocity of coronary flow was measured. Results: Of participants, 16% had a velocity of more than 0.70 m/s in the left main/proximal left anterior/proximal left circumflex arteries (LM/pLAD). A significant correlation was observed between the value of the maximal velocity in LM/pLAD and the ejection fraction at the peak of exercise (r approximate to -0.39, P < 0.0001); between the value of the maximal velocity in LM/pLAD and index of wall motion abnormalities (IWMA) at the peak of exercise (r approximate to 0.44, P < 0.0001); and between the value of the maximal velocity in LM/pLAD and dIWMA (r approximate to 0.41, P < 0.0001). Afterwards, severe ischemia in stress echocardiography tests was observed in this group. The average IWMA of these tests was found to be 2.3. Sixty-two angiograms were available for comparison with Doppler data. Conclusion: There is a significant correlation between the value of the maximal velocity in LM/pLAD/pLCx at rest and the severity of wall motion abnormalities during exercise tests.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
30107 - Medicinal chemistry
Result continuities
Project
—
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Acta radiologica
ISSN
0284-1851
e-ISSN
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Volume of the periodical
59
Issue of the periodical within the volume
6
Country of publishing house
GB - UNITED KINGDOM
Number of pages
8
Pages from-to
664-671
UT code for WoS article
000432868300007
EID of the result in the Scopus database
2-s2.0-85046023570