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Lee JH, Park JH, Park KI, et al. A comparison of different techniques of two-dimensional speckle-tracking strain measurements of right ventricular systolic function in patients with acute pulmonary embolism. J Cardiovasc Ultrasound. 2014;22(2):65-71doi: 10.4250/jcu.2014.22.2.65.
Lee, J. H., Park, J. H., Park, K. I., Kim, M. J., Kim, J. H., Ahn, M. S., Choi, S. W., Jeong, J. O., & Seong, I. W. (2014). A comparison of different techniques of two-dimensional speckle-tracking strain measurements of right ventricular systolic function in patients with acute pulmonary embolism. Journal of cardiovascular ultrasound, 22(2), 65-71. https://doi.org/10.4250/jcu.2014.22.2.65
Lee, Jae-Hwan, et al. "A comparison of different techniques of two-dimensional speckle-tracking strain measurements of right ventricular systolic function in patients with acute pulmonary embolism." Journal of cardiovascular ultrasound vol. 22,2 (2014): 65-71. doi: https://doi.org/10.4250/jcu.2014.22.2.65
Lee JH, Park JH, Park KI, Kim MJ, Kim JH, Ahn MS, Choi SW, Jeong JO, Seong IW. A comparison of different techniques of two-dimensional speckle-tracking strain measurements of right ventricular systolic function in patients with acute pulmonary embolism. J Cardiovasc Ultrasound. 2014 Jun;22(2):65-71. doi: 10.4250/jcu.2014.22.2.65. Epub 2014 Jun 30. PMID: 25031796; PMCID: PMC4096667.
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J Cardiovasc Ultrasound. 2014 Jun;22(2):65-71. doi: 10.4250/jcu.2014.22.2.65. Epub 2014 Jun 30.

A comparison of different techniques of two-dimensional speckle-tracking strain measurements of right ventricular systolic function in patients with acute pulmonary embolism.

Journal of cardiovascular ultrasound

Jae-Hwan Lee, Jae-Hyeong Park, Kwang-In Park, Mi Joo Kim, Jun Hyung Kim, Moon Sang Ahn, Si Wan Choi, Jin-Ok Jeong, In-Whan Seong

Affiliations

  1. Department of Cardiology in Internal Medicine, School of Medicine, Chungnam National University, Chungnam National University Hospital, Daejeon, Korea.
  2. Department of Vascular Surgery, School of Medicine, Chungnam National University, Chungnam National University Hospital, Daejeon, Korea.

PMID: 25031796 PMCID: PMC4096667 DOI: 10.4250/jcu.2014.22.2.65

Abstract

BACKGROUND: Speckle-tracking echocardiography has been applied to measure right ventricular (RV) systolic function in various diseases. However, variations in strain measurement by different vendors have limited the application of these techniques for assessment of RV function. We sought to compare two methods for the assessment of RV systolic function in patients with acute pulmonary embolism (PE).

METHODS: From August 2007 to May 2011, all consecutive PE patients were prospectively included in this cohort study. Global longitudinal strains of RV measured with EchoPAC PC software (GLSRV-EchoPAC; GE Medical Systems) and velocity vector imaging (GLSRV-VVI; Siemens Medical Systems) were recorded on the same set of echocardiographic images.

RESULTS: We analyzed a total of 50 patients (12 males, 68 ± 14 years) with acute PE in this study. GLSRV-EchoPAC and GLSRV-VVI were correlated (r = 0.793, p < 0.001) and they showed significant correlations with conventional echocardiographic parameters of RV systolic function and Log B-type natriuretic peptide (BNP) level. However, GLSRV-VVI only showed significant correlations with cardiac biomarkers as serum creatinine kinase-MB (r = 0.367, p = 0.010) and tropoinin-I concentrations (r = 0.294, p = 0.040).

CONCLUSION: GLSRV-VVI and GLSRV-EchoPAC showed significant correlations with conventional echocardiographic parameters of RV systolic function and LogBNP value in patients with PE.

Keywords: Pulmonary embolism; Right ventricle; Strain echocardiography

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