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The feasibility of myocardial infarct visualization using atrial kick induced strain (AKIS) contrast.

Publication ,  Journal Article
Byram, B; Kim, H; Van Assche, L; Wolf, PD; Trahey, GE
Published in: Ultrasound Med Biol
June 2014

The most common mechanical measure of the heart integrates ventricular strain between end-diastole and end-systole in order to provide a measure of contraction. Here an approach is described for estimating a correlate to local passive mechanical properties. Passive strain is measured by estimating ventricular strain during atrial systole. During atrial systole the atria contract causing passive stretching in the ventricles from increased volume. This modification to traditional cardiac strain is here termed atrial kick induced strain (AKIS) imaging. AKIS imaging was evaluated in a canine ablation model of chronic infarct and a canine true chronic infarct model. AKIS images of ablation lesions were compared against acoustic radiation force impulse (ARFI) images and tissue blanching, and true chronic infarct AKIS images were compared against delayed enhanced-contrast magnetic resonance. AKIS images were made with 2-D and 3-D ultrasound data. In both studies, AKIS images and the comparison images show good qualitative agreement and good contrast and contrast-to-noise ratio.

Duke Scholars

Published In

Ultrasound Med Biol

DOI

EISSN

1879-291X

Publication Date

June 2014

Volume

40

Issue

6

Start / End Page

1104 / 1117

Location

England

Related Subject Headings

  • Systole
  • Myocardial Infarction
  • Heart Atria
  • Feasibility Studies
  • Elasticity Imaging Techniques
  • Echocardiography, Three-Dimensional
  • Dogs
  • Disease Models, Animal
  • Catheter Ablation
  • Animals
 

Citation

APA
Chicago
ICMJE
MLA
NLM
Byram, B., Kim, H., Van Assche, L., Wolf, P. D., & Trahey, G. E. (2014). The feasibility of myocardial infarct visualization using atrial kick induced strain (AKIS) contrast. Ultrasound Med Biol, 40(6), 1104–1117. https://doi.org/10.1016/j.ultrasmedbio.2013.12.022
Byram, Brett, Han Kim, Lowie Van Assche, Patrick D. Wolf, and Gregg E. Trahey. “The feasibility of myocardial infarct visualization using atrial kick induced strain (AKIS) contrast.Ultrasound Med Biol 40, no. 6 (June 2014): 1104–17. https://doi.org/10.1016/j.ultrasmedbio.2013.12.022.
Byram B, Kim H, Van Assche L, Wolf PD, Trahey GE. The feasibility of myocardial infarct visualization using atrial kick induced strain (AKIS) contrast. Ultrasound Med Biol. 2014 Jun;40(6):1104–17.
Byram, Brett, et al. “The feasibility of myocardial infarct visualization using atrial kick induced strain (AKIS) contrast.Ultrasound Med Biol, vol. 40, no. 6, June 2014, pp. 1104–17. Pubmed, doi:10.1016/j.ultrasmedbio.2013.12.022.
Byram B, Kim H, Van Assche L, Wolf PD, Trahey GE. The feasibility of myocardial infarct visualization using atrial kick induced strain (AKIS) contrast. Ultrasound Med Biol. 2014 Jun;40(6):1104–1117.
Journal cover image

Published In

Ultrasound Med Biol

DOI

EISSN

1879-291X

Publication Date

June 2014

Volume

40

Issue

6

Start / End Page

1104 / 1117

Location

England

Related Subject Headings

  • Systole
  • Myocardial Infarction
  • Heart Atria
  • Feasibility Studies
  • Elasticity Imaging Techniques
  • Echocardiography, Three-Dimensional
  • Dogs
  • Disease Models, Animal
  • Catheter Ablation
  • Animals