Intra-observer and device-dependent inter-observer reliability of contrast-enhanced ultrasound for muscle perfusion quantification

Muscle perfusion quantification by contrast-enhanced ultrasound (CEUS) may facilitate treatment decisions in musculoskeletal disorders. Translation into clinical routine relies on high intra-observer and inter-observer reliability and transferability between ultrasound devices to enable validation a...

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Hauptverfasser: Kunz, Pierre (VerfasserIn) , Kiesl, Sophia (VerfasserIn) , Groß, Sascha (VerfasserIn) , Kauczor, Hans-Ulrich (VerfasserIn) , Schmidmaier, Gerhard (VerfasserIn) , Fischer, Christian (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 14 November 2019
In: Ultrasound in medicine & biology
Year: 2019, Jahrgang: 46, Heft: 2, Pages: 275-285
ISSN:1879-291X
DOI:10.1016/j.ultrasmedbio.2019.10.007
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.ultrasmedbio.2019.10.007
Verlag, lizenzpflichtig, Volltext: http://www.sciencedirect.com/science/article/pii/S0301562919315431
Volltext
Verfasserangaben:Pierre Kunz, Sophia Kiesl, Sascha Groß, Hans-Ulrich Kauczor, Gerhard Schmidmaier, Christian Fischer
Beschreibung
Zusammenfassung:Muscle perfusion quantification by contrast-enhanced ultrasound (CEUS) may facilitate treatment decisions in musculoskeletal disorders. Translation into clinical routine relies on high intra-observer and inter-observer reliability and transferability between ultrasound devices to enable validation and multicenter studies. This study evaluates these aspects for deltoid muscle perfusion quantification, including possible multicenter study setups. One hundred sixty-six CEUS quantifications were conducted on 42 shoulders. Intra-observer reliability revealed a high intra-class correlation coefficient (ICC, r=0.91) and low coefficient of variation (CV, 10.28%). Inter-observer reliability revealed an ICC of .84 and a CV of 17.1%, but these values decreased when different ultrasound devices were used (ICC=.60, CV=18.6%). Re-evaluating subgroups with high sectional plane concordance significantly increased reliability (intra-observer: ICC=.97, CV=5.49%, inter-observer/same device: ICC=.98, CV=5.83%, varying devices: ICC=.78, CV=9.8%). CEUS perfusion quantification of the deltoid seems applicable for multicenter studies, yet pooling different ultrasound devices remains critical. Sectional plane concordance appears to be crucial for reliability and transferability of CEUS muscle perfusion quantifications.
Beschreibung:Gesehen am 05.03.2020
Beschreibung:Online Resource
ISSN:1879-291X
DOI:10.1016/j.ultrasmedbio.2019.10.007