A Novel, Reliable Protocol to Objectively Assess Scar Stiffness Using Shear Wave Elastography

Helen DeJong; Steven Abbott; Marilyn Zelesco; Katrina Spilsbury; Lisa Martin; Rowan Sanderson; Melanie Ziman; Brendan F. Kennedy; Fiona M. Wood

doi:10.1016/j.ultrasmedbio.2020.03.003

A Novel, Reliable Protocol to Objectively Assess Scar Stiffness Using Shear Wave Elastography

Helen DeJong, Steven Abbott, Marilyn Zelesco, Katrina Spilsbury, Lisa Martin, Rowan Sanderson, Melanie Ziman, Brendan F. Kennedy, Fiona M. Wood

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

The aim of this research was to investigate the use of shear wave elastography as a novel tool to quantify and visualize scar stiffness after a burn. Increased scar stiffness is indicative of pathologic scarring which is associated with persistent pain, chronic itch and restricted range of movement. Fifty-five participants with a total of 96 scars and 69 contralateral normal skin sites were evaluated. A unique protocol was developed to enable imaging of the raised and uneven burn scars. Intra-rater and inter-rater reliability was excellent (intra-class correlation coefficient >0.97), and test-retest reliability was good (intra-class correlation coefficient >0.85). Shear wave elastography was able to differentiate between normal skin, pathologic scars and non-pathologic scars, with preliminary cutoff values identified. Significant correlations were found between shear wave velocity and subjective clinical scar assessment (r = 0.66). Shear wave elastography was able to provide unique information associated with pathologic scarring and shows promise as a clinical assessment and research tool.

Original language	English
Pages (from-to)	1614-1629
Number of pages	16
Journal	Ultrasound in Medicine & Biology
Volume	46
Issue number	7
DOIs	https://doi.org/10.1016/j.ultrasmedbio.2020.03.003
Publication status	Published - 1 Jul 2020

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10.1016/j.ultrasmedbio.2020.03.003

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DeJong, H., Abbott, S., Zelesco, M., Spilsbury, K., Martin, L., Sanderson, R., Ziman, M., Kennedy, B. F., & Wood, F. M. (2020). A Novel, Reliable Protocol to Objectively Assess Scar Stiffness Using Shear Wave Elastography. Ultrasound in Medicine & Biology, 46(7), 1614-1629. https://doi.org/10.1016/j.ultrasmedbio.2020.03.003

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title = "A Novel, Reliable Protocol to Objectively Assess Scar Stiffness Using Shear Wave Elastography",

abstract = "The aim of this research was to investigate the use of shear wave elastography as a novel tool to quantify and visualize scar stiffness after a burn. Increased scar stiffness is indicative of pathologic scarring which is associated with persistent pain, chronic itch and restricted range of movement. Fifty-five participants with a total of 96 scars and 69 contralateral normal skin sites were evaluated. A unique protocol was developed to enable imaging of the raised and uneven burn scars. Intra-rater and inter-rater reliability was excellent (intra-class correlation coefficient >0.97), and test-retest reliability was good (intra-class correlation coefficient >0.85). Shear wave elastography was able to differentiate between normal skin, pathologic scars and non-pathologic scars, with preliminary cutoff values identified. Significant correlations were found between shear wave velocity and subjective clinical scar assessment (r = 0.66). Shear wave elastography was able to provide unique information associated with pathologic scarring and shows promise as a clinical assessment and research tool.",

keywords = "2-D shear wave elastography, Burn, Elastography, Objective scar assessment, Reliability, Scar pliability, Shear wave elastography",

author = "Helen DeJong and Steven Abbott and Marilyn Zelesco and Katrina Spilsbury and Lisa Martin and Rowan Sanderson and Melanie Ziman and Kennedy, {Brendan F.} and Wood, {Fiona M.}",

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A Novel, Reliable Protocol to Objectively Assess Scar Stiffness Using Shear Wave Elastography. / DeJong, Helen; Abbott, Steven; Zelesco, Marilyn; Spilsbury, Katrina; Martin, Lisa; Sanderson, Rowan; Ziman, Melanie ; Kennedy, Brendan F.; Wood, Fiona M.

In: Ultrasound in Medicine & Biology, Vol. 46, No. 7, 01.07.2020, p. 1614-1629.

Research output: Contribution to journal › Article

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AU - Martin, Lisa

AU - Sanderson, Rowan

AU - Ziman, Melanie

AU - Kennedy, Brendan F.

AU - Wood, Fiona M.

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AB - The aim of this research was to investigate the use of shear wave elastography as a novel tool to quantify and visualize scar stiffness after a burn. Increased scar stiffness is indicative of pathologic scarring which is associated with persistent pain, chronic itch and restricted range of movement. Fifty-five participants with a total of 96 scars and 69 contralateral normal skin sites were evaluated. A unique protocol was developed to enable imaging of the raised and uneven burn scars. Intra-rater and inter-rater reliability was excellent (intra-class correlation coefficient >0.97), and test-retest reliability was good (intra-class correlation coefficient >0.85). Shear wave elastography was able to differentiate between normal skin, pathologic scars and non-pathologic scars, with preliminary cutoff values identified. Significant correlations were found between shear wave velocity and subjective clinical scar assessment (r = 0.66). Shear wave elastography was able to provide unique information associated with pathologic scarring and shows promise as a clinical assessment and research tool.

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