Abstract
Methods The regional ventricular wall motion was investigated in two groups of healthy volunteers between the ages of 23 ± 3 and 66 ± 7 years old respectively, using navigator gated tissue phase mapping. The left ventricle was divided into 16 segments (six basal, six middle and four apical) and regional wall motion was studied in high temporal detail. The results were also compared with those obtained in one patient with peripheral vascular disease and in a second patient with a massive LV scar.
Highlights
Pulse wave generation during left ventricular (LV) contraction and subsequent wave reflections directly affect the ventricular workload
The aim of this study was to obtain new information on regional LV wall motion corresponding to the propagation of reflected waves on ventricular segments
An early diastolic notch corresponding to the expected timing of the propagation of reflected wave on ventricular segments was recorded on radial, circumferential and longitudinal velocity graphs
Summary
Ion Codreanu*1, Cameron J Holloway, Tammy J Pegg, Matthew D Robson, Stefan Neubauer and Kieran Clarke. Address: 1University of Oxford Centre for Clinical Magnetic Resonance Research, Oxford, UK and 2Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK. Published: 21 January 2010 Journal of Cardiovascular Magnetic Resonance 2010, 12(Suppl 1):P127 doi:10.1186/1532-429X-12-S1-P127. Abstracts of the 13th Annual SCMR Scientific Sessions - 2010 Meeting abstracts - A single PDF containing all abstracts in this Supplement is available here. http://www.biomedcentral.com/content/files/pdf/1532-429X-11-S1-info
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