Feasibility of Bidimensional Speckle-Tracking Echocardiography for Strain Analysis in Consecutive Patients in Daily Clinical Practice.
Summary of "Feasibility of Bidimensional Speckle-Tracking Echocardiography for Strain Analysis in Consecutive Patients in Daily Clinical Practice."
Purpose: We aimed to analyze the feasibility of two-dimensional speckle-tracking echocardiography (2DSTE) in evaluating myocardial strain in consecutive, nonselected patients in daily clinical practice. Methods: Strain analysis using 2DSTE was attempted in 59 consecutive patients: 24 patients with severe aortic stenosis, 28 patients with dilated cardiomyopathy, and 7 healthy controls. The analysis was done by four expert echocardiographers and one cardiology resident. Results: It was possible to obtain reliable data for radial strain in 175 of 354 segments (49%), circumferential strain in 192 of 354 segments (54%), and longitudinal strain in 319 of 354 segments (90%). Experienced echocardiographers felt assessment of radial and circumferential strain was appropriate in more segments than did the cardiology resident (57% and 58% vs. 23% and 40%, respectively, P < 0.01). Conclusion: Longitudinal strain analysis with 2DSTE is feasible in most segments, but the radial and circumferential strain evaluation was only feasible in approximately half of the patients. (Echocardiography, 2012;**:1-4).
Cardiology Department, Reina Sofía University Hospital, Córdoba, Spain.
This article was published in the following journal.
Name: Echocardiography (Mount Kisco, N.Y.)
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/22693959
- DOI: http://dx.doi.org/10.1111/j.1540-8175.2012.01739.x
Medical and Biotech [MESH] Definitions
Echocardiography amplified by the addition of depth to the conventional two-dimensional ECHOCARDIOGRAPHY visualizing only the length and width of the heart. Three-dimensional ultrasound imaging was first described in 1961 but its application to echocardiography did not take place until 1974. (Mayo Clin Proc 1993;68:221-40)
Echocardiography, Doppler, Color
Echocardiography applying the Doppler effect, with the superposition of flow information as colors on a gray scale in a real-time image.
Dynamic three-dimensional echocardiography using the added dimension of time to impart the cinematic perception of motion. (Mayo Clin Proc 1993;68:221-40)
Echocardiography, Doppler, Pulsed
Echocardiography applying the Doppler effect, with velocity detection combined with range discrimination. Short bursts of ultrasound are transmitted at regular intervals and the echoes are demodulated as they return.
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