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Abstract #0649

Left Ventricular Wall Motion Abnormalities: Using Center Point Trajectory (CPT) Mapping to Quantify Focal Lesions

Ting Song1, Jeffrey A. Stainsby2, Maureen N. Hood3, Vincent B. Ho4

1Applied Science Laboratory, GE Healthcare, Bethesda, MD, USA; 2Applied Science Laboratory, GE Healthcare, Toronto, ON, Canada; 3Radiology, Uniformed Services University of the Health Sciences and National Naval Medical Center, Bethesda, MD, USA; 4Radiology, Uniformed Services University of the Health Sciences and National Naval Medical Center, Bethesda, Bethesda, MD


Visual inspection of echocardiography or cardiac MR images remains the current clinical gold standard. We present a novel image-processing algorithm called Center Point Trajectory (CPT) mapping for quantification of focal left ventricular wall motion abnormalities. CPT analysis yields amplitude and direction values to define focal wall motion abnormalities. The technique uses standard cine SSFP images and does not require specialized MR pulse. The method can be potentially used quantification of systolic and diastolic wall motion changes and monitoring pharmacologic testing.