Matches in SemOpenAlex for { <https://semopenalex.org/work/W2075013778> ?p ?o ?g. }
Showing items 1 to 100 of
100
with 100 items per page.
- W2075013778 endingPage "370" @default.
- W2075013778 startingPage "365" @default.
- W2075013778 abstract "The functional role of the coronary collateral circulation in patients with coronary artery disease has yet to be clarified. Because the distribution of thallium in the myocardium after its intravenous injection is proportional to regional blood flow, quantitative thallium scintigraphy was employed to assess noninvasively the effect of collateral vessels on regional myocardial perfusion at rest and after exercise stress. Sixty-two patients with significant (greater than 50 percent stenosis of luminal diameter) coronary artery disease had after exercise thallium imaging and 35 patients underwent imaging at rest. Delayed redistribution images were obtained after exercise and at rest. Images were divided into six segments for analysis and interpreted using computer-assisted quantitative techniques. In patients undergoing exercise stress, collateral vessels did not significantly influence thallium uptake patterns in segments associated with electrocardiographic Q waves. In segments without Q waves, thallium uptake was more frequently abnormal (p <0.001) in segments with than in segments without collateral vessels whether or not such vessels were jeopardized. The presence or absence of collateral channels did not affect the frequency of occurrence of thallium redistribution. In patients undergoing serial imaging at rest, the prevalence of segments with normal thallium uptake was greater in segments with nonjeopardized than in those with jeopardized collateral vessels (p <0.05). It is concluded that (1) coronary collateral vessels are an indicator of severe coronary arterial obstruction and do not protect against exercise-induced hypoperfusion or affect the occurrence of redistribution, and (2) non-jeopardized collateral vessels appear to augment perfusion at rest in some segments to the degree that normal thallium uptake at rest is observed." @default.
- W2075013778 created "2016-06-24" @default.
- W2075013778 creator A5002939213 @default.
- W2075013778 creator A5003396972 @default.
- W2075013778 creator A5010776140 @default.
- W2075013778 creator A5022696549 @default.
- W2075013778 creator A5073331009 @default.
- W2075013778 creator A5088685513 @default.
- W2075013778 date "1980-09-01" @default.
- W2075013778 modified "2023-10-18" @default.
- W2075013778 title "Effect of coronary collateral circulation on regional myocardial perfusion assessed with quantitative thallium-201 scintigraphy" @default.
- W2075013778 cites W1905050080 @default.
- W2075013778 cites W1965191868 @default.
- W2075013778 cites W1966985038 @default.
- W2075013778 cites W1979741473 @default.
- W2075013778 cites W1984105392 @default.
- W2075013778 cites W1984450988 @default.
- W2075013778 cites W2004470691 @default.
- W2075013778 cites W2007667916 @default.
- W2075013778 cites W2009699748 @default.
- W2075013778 cites W2015102474 @default.
- W2075013778 cites W2015390581 @default.
- W2075013778 cites W2020851986 @default.
- W2075013778 cites W2020943402 @default.
- W2075013778 cites W2025694394 @default.
- W2075013778 cites W2037735096 @default.
- W2075013778 cites W2040052830 @default.
- W2075013778 cites W2045202438 @default.
- W2075013778 cites W2064295120 @default.
- W2075013778 cites W2065336158 @default.
- W2075013778 cites W2070276084 @default.
- W2075013778 cites W2072092929 @default.
- W2075013778 cites W2079611199 @default.
- W2075013778 cites W2108757240 @default.
- W2075013778 cites W2168423714 @default.
- W2075013778 cites W2238492274 @default.
- W2075013778 cites W2375032976 @default.
- W2075013778 doi "https://doi.org/10.1016/0002-9149(80)90002-8" @default.
- W2075013778 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/7415980" @default.
- W2075013778 hasPublicationYear "1980" @default.
- W2075013778 type Work @default.
- W2075013778 sameAs 2075013778 @default.
- W2075013778 citedByCount "73" @default.
- W2075013778 crossrefType "journal-article" @default.
- W2075013778 hasAuthorship W2075013778A5002939213 @default.
- W2075013778 hasAuthorship W2075013778A5003396972 @default.
- W2075013778 hasAuthorship W2075013778A5010776140 @default.
- W2075013778 hasAuthorship W2075013778A5022696549 @default.
- W2075013778 hasAuthorship W2075013778A5073331009 @default.
- W2075013778 hasAuthorship W2075013778A5088685513 @default.
- W2075013778 hasConcept C126322002 @default.
- W2075013778 hasConcept C126838900 @default.
- W2075013778 hasConcept C146957229 @default.
- W2075013778 hasConcept C158846371 @default.
- W2075013778 hasConcept C164705383 @default.
- W2075013778 hasConcept C179104552 @default.
- W2075013778 hasConcept C185592680 @default.
- W2075013778 hasConcept C2776157398 @default.
- W2075013778 hasConcept C2776599846 @default.
- W2075013778 hasConcept C2776820930 @default.
- W2075013778 hasConcept C2778213512 @default.
- W2075013778 hasConcept C2779902710 @default.
- W2075013778 hasConcept C559099789 @default.
- W2075013778 hasConcept C71924100 @default.
- W2075013778 hasConceptScore W2075013778C126322002 @default.
- W2075013778 hasConceptScore W2075013778C126838900 @default.
- W2075013778 hasConceptScore W2075013778C146957229 @default.
- W2075013778 hasConceptScore W2075013778C158846371 @default.
- W2075013778 hasConceptScore W2075013778C164705383 @default.
- W2075013778 hasConceptScore W2075013778C179104552 @default.
- W2075013778 hasConceptScore W2075013778C185592680 @default.
- W2075013778 hasConceptScore W2075013778C2776157398 @default.
- W2075013778 hasConceptScore W2075013778C2776599846 @default.
- W2075013778 hasConceptScore W2075013778C2776820930 @default.
- W2075013778 hasConceptScore W2075013778C2778213512 @default.
- W2075013778 hasConceptScore W2075013778C2779902710 @default.
- W2075013778 hasConceptScore W2075013778C559099789 @default.
- W2075013778 hasConceptScore W2075013778C71924100 @default.
- W2075013778 hasIssue "3" @default.
- W2075013778 hasLocation W20750137781 @default.
- W2075013778 hasLocation W20750137782 @default.
- W2075013778 hasOpenAccess W2075013778 @default.
- W2075013778 hasPrimaryLocation W20750137781 @default.
- W2075013778 hasRelatedWork W1986318255 @default.
- W2075013778 hasRelatedWork W2056081698 @default.
- W2075013778 hasRelatedWork W2060661016 @default.
- W2075013778 hasRelatedWork W2075013778 @default.
- W2075013778 hasRelatedWork W2103221228 @default.
- W2075013778 hasRelatedWork W2411035412 @default.
- W2075013778 hasRelatedWork W2413229990 @default.
- W2075013778 hasRelatedWork W2413893852 @default.
- W2075013778 hasRelatedWork W2415113249 @default.
- W2075013778 hasRelatedWork W2967045978 @default.
- W2075013778 hasVolume "46" @default.
- W2075013778 isParatext "false" @default.
- W2075013778 isRetracted "false" @default.
- W2075013778 magId "2075013778" @default.
- W2075013778 workType "article" @default.