ArticleJournal of echocardiography2018
Increased apical rotation in patients with severe aortic stenosis assessed by three-dimensional speckle tracking imaging.
Article in Journal of echocardiography, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 9 citations in OpenAlex.
- Evaluation of Cardiac Function before and after PAD Regimen in Patients with Multiple Myeloma by Three-Dimensional Speckle Tracking Imaging.Journal of healthcare engineering · 2022Article
- Clinical application of stress echocardiography for valvular heart disease.Journal of medical ultrasonics (2001) · 2020Review
- Incorporating three-dimensional echocardiography into clinical practice.Journal of echocardiography · 2019Review
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTwo-dimensional (2D) speckle tracking imaging (STI) is a non-invasive method used to assess subtle changes in left ventricular (LV) function such as strain and rotational dynamics. However, 2D methodology is complicated by issues such as the out-of-plane problem inherent in short-axis imaging. In addition, circumferential rotation contributes to three-dimensional (3D) wall deformations and affects tracking accuracy. By using 3D-STI technique, we evaluated LV global longitudinal strain (GLS) and apical rotation in severe aortic stenosis (AS) patients with preserved LV ejection fraction (EF).
methodsLV GLS and apical rotation were evaluated using 3D-STI in 20 severe AS patients (79 ± 8 years old; aortic valve area 0.7 ± 0.2 cm
resultsCompared with LVH patients, severe AS patients had significantly decreased values of GLS (-13.0 ± 2.4 vs. -10.4 ± 2.0%, p = 0.008). In contrast, LV rotation was significantly higher in AS than LVH patients (13.9 ± 3.0° vs. 10.8 ± 2.5°, p = 0.007). There was no significant difference in stroke volume index among three groups. In these three groups, severe AS patients had significantly decreased values of GLS [analysis of variance (ANOVA), p < 0.001] and increased LV rotation (ANOVA, p < 0.001).
conclusionsIn severe AS patients, impaired GLS existed although LVEF was preserved. However, LV rotation was increased in patients with severe AS probably to maintain the LV stroke volume.
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