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Article

Speckle-Tracking Echocardiography with Novel Imaging Technique of Higher Frame Rate

1
Division of Cardiology, Montefiore Medical Center, Albert Einstein College of Medicine, 111 East 210th Street, Bronx, NY 10467, USA
2
National Heart, Lung and Blood Institute, National Institutes of Health, Department of Health and Human Services, Bldg 10, Rm B1D416, 10 Center Drive, Bethesda, MD 20892, USA
3
Section of Cardiovascular Medicine, Dartmouth-Hitchcock Medical Center, 1 Medical Drive, Lebanon, NH 03766, USA
*
Author to whom correspondence should be addressed.
Both authors contributed equally to the manuscript and are considered joint first authors.
Academic Editor: Jolanda Sabatino
J. Clin. Med. 2021, 10(10), 2095; https://doi.org/10.3390/jcm10102095
Received: 14 April 2021 / Revised: 6 May 2021 / Accepted: 10 May 2021 / Published: 13 May 2021
Background: The accuracy of speckle-tracking echocardiography (STE) depends on temporal resolution. The goal of this study was to demonstrate the feasibility of relatively high frame rate (rHi-FR) (~200 fps) for STE. Methods: In this prospective study, echocardiographic images were acquired using clinical scanners on patients with normal left ventricular systolic function using rHi-FR and conventional frame rate (Reg-FR) (~50 FPS). GLS values were evaluated on apical 4-, 2- and 3-chamber images acquired in both rHi-FR and Reg-FR. Inter-observer and intra-observer variabilities were assessed in rHi-FR and Reg-FR. Results: There were 143 echocardiograms evaluated in this study. The frame rate of rHi-FR was 190 ± 25 and Reg-FR was 50 ± 3, and the heart rate was 71 ± 13. Absolute strain values measured in rHi-FR were significantly higher than those measured in Reg-FR (all p < 0.001). Inter-observer and intra-observer correlations were strong in both rHi-FR and Reg-FR. Conclusions: We demonstrated that absolute strain values were significantly higher using rHi-FR when compared with Reg-FR. It is plausible that higher temporal resolution enabled the measurement of myocardial strain at desired time point. Further investigations are necessary to evaluate the value of rHi-FR to assess myocardial strain in the setting of tachycardia. View Full-Text
Keywords: echocardiography; speckle-tracking; frame rate; global longitudinal strain; left ventricle echocardiography; speckle-tracking; frame rate; global longitudinal strain; left ventricle
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MDPI and ACS Style

Fujikura, K.; Makkiya, M.; Farooq, M.; Xing, Y.; Humphrey, W.; Mustehsan, M.H.; Garcia, M.J.; Taub, C.C. Speckle-Tracking Echocardiography with Novel Imaging Technique of Higher Frame Rate. J. Clin. Med. 2021, 10, 2095. https://doi.org/10.3390/jcm10102095

AMA Style

Fujikura K, Makkiya M, Farooq M, Xing Y, Humphrey W, Mustehsan MH, Garcia MJ, Taub CC. Speckle-Tracking Echocardiography with Novel Imaging Technique of Higher Frame Rate. Journal of Clinical Medicine. 2021; 10(10):2095. https://doi.org/10.3390/jcm10102095

Chicago/Turabian Style

Fujikura, Kana, Mohammed Makkiya, Muhammad Farooq, Yun Xing, Wayne Humphrey, Mohammad H. Mustehsan, Mario J. Garcia, and Cynthia C. Taub 2021. "Speckle-Tracking Echocardiography with Novel Imaging Technique of Higher Frame Rate" Journal of Clinical Medicine 10, no. 10: 2095. https://doi.org/10.3390/jcm10102095

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