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Circumflex artery motion: a new angiographic method for assessment of left ventricular function
Department of Radiology, Örebro University Hospital, Örebro, Sweden.
Department of Clinical Physiology, Örebro Universitetssjukhus, Örebro, Sweden.
Department of Cardiology, Örebro University Hospital, Örebro, Sweden.
Department of Radiology, Örebro University Hospital, Örebro, Sweden.
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2003 (English)In: Scandinavian Cardiovascular Journal, ISSN 1401-7431, Vol. 37, no 2, 80-86 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: To evaluate the usefulness of circumflex artery motion (CAM) for assessment of left ventricular (LV) function.

DESIGN: Seventy-three consecutive patients referred for coronary angiography and LV angiography were included. Ejection fraction (EF) was calculated from LV angiography and CAM was measured from coronary angiography.

RESULTS: The ratio between CAM and the end-diastolic length of the ventricle, which can be denominated long-axis fractional shortening (FS(L)), was found to be a better index of LV function than CAM per se. There was a significant linear correlation between EF and FS(L) (r = 0.81, SEE = 8.2, p < 0.001). When values of FS(L) > or =10% were selected to define a normal EF (> or =50%) there was a sensitivity of 95% and a specificity of 93%. Visual estimation of EF from CAM was not as good as the use of calculated FS(L) but may me useful as a fast screening method.

CONCLUSION: LV systolic function can be assessed by studying CAM recorded by coronary angiography.

Place, publisher, year, edition, pages
Oslo, Norway: Taylor & Francis, 2003. Vol. 37, no 2, 80-86 p.
Keyword [en]
Atrioventricular plane displacement, circumflex artery movement, coronary angiography, left ventricular ejection fraction
National Category
Cardiac and Cardiovascular Systems
Identifiers
URN: urn:nbn:se:oru:diva-38871DOI: 10.1080/1401743031001195ISI: 000183176000005PubMedID: 12775306Scopus ID: 2-s2.0-0038820375OAI: oai:DiVA.org:oru-38871DiVA: diva2:764923
Available from: 2014-11-20 Created: 2014-11-20 Last updated: 2017-10-17Bibliographically approved

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CiteExportLink to record
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