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Initial experience using contrast enhanced real-time three-dimensional exercise stress echocardiography in a low-risk population

Published Online: August 1st 2018 Heart International 2010;5(1):e8
Authors: Kathleen Stergiopoulos, Samira Bahrainy, Laura Buzzanca, Barbara Blizzard, Juan Gamboa, Smadar Kort
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Although emerging data support the utility of real-time three-dimensional echocardiography (RT3DE) during dobutamine stress testing, the feasibility of performing contrast enhanced RT3DE during exercise treadmill stress has not been explored. Two-dimensional (2D) and three-dimensional (3D) acquisition were performed in 39 patients at rest and peak exercise. Contrast was used in 29 patients (74%). Reconstruction was performed manually by generating short axis cut planes at the base, mid-ventricle and apex, and automatically by generating 9 short axis slices. Three-dimensional acquisition was feasible during rest and stress regardless of the use of contrast. Time to acquire stress images was reduced using 3D (35.2±17.9 s) as compared to 2D acquisition (51.6±14.7 s; P<0.05). Using a 17-segment model, of all 663 segments, 588 resting (88.6%) and 563 stress segments (84.9%) were adequately visualized using manually reconstructed 3D data, compared with 618 resting (93.2%) and 606 stress segments (91.4%) using 2D data (P rest=0.06; P stress=0.07). We concluded that contrast enhanced RT3DE is feasible during treadmill stress echocardiography.

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Three-dimensional exercise stress echocardiography.

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Smadar Kort, Department of Medicine, Division of Cardiovascular Medicine, HSC T-16 080, Stony Brook University Medical Center, Stony Brook, NY 11974-8167, USA. E-mail: smadar.kort@stonybrook.edu

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2010-03-01T00:00:00

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