Journal article

Improvement in Strain Concordance between Two Major Vendors after the Strain Standardization Initiative

Hong Yang, Thomas H Marwick, Nobuaki Fukuda, Hiroki Oe, Makoto Saito, James D Thomas, Kazuaki Negishi

Journal of the American Society of Echocardiography | MOSBY-ELSEVIER | Published : 2015


BACKGROUND: Disagreement of strain measurements among different vendors has provided an obstacle to the clinical use of strain. A joint standardization task force between professional societies and industry was initiated to reduce intervendor variability of strain. Although feedback from this process has been used in software upgrades, little is known about the effects of efforts to improve conformity. The aim of this study was to assess whether intervendor agreement for global longitudinal strain (GLS) has improved after standardization initiatives. METHODS: Eighty-two subjects (mean age, 52 ± 21 years; 55% men) prospectively underwent two sequential examinations using two most common ultra..

View full abstract


Awarded by National Heart Foundation of Australia

Funding Acknowledgements

The following authors reported no actual or potential conflicts of interest in relation to this document: Nobuaki Fukuda, MD, Hiroki Oe, MD, PhD, Makoto Saito, MD, PhD, and James D. Thomas, MD, PhD. The following authors reported relationships with one or more commercial interests: Hong Yang, BMed, is supported by a Health Professional Scholarship from the National Heart Foundation of Australia (100307); Thomas H. Marwick, MBBS, PhD, MPH, has received research grants from GE Medical Systems and Siemens; and Kazuaki Negishi, MD, PhD, is supported by an award from the Select Foundation.