Interobserver agreement and diagnostic accuracy of shearwave elastography for the staging of hepatitis C virus-associated liver fibrosis
© 2019 The Authors. Journal of Clinical Ultrasound published by Wiley Periodicals, Inc..
PURPOSE: Our study aimed to evaluate the technical success rate, interobserver reproducibility, and accuracy of shearwave elastography (SWE) in the staging of hepatitis C virus (HCV)-associated liver fibrosis.
METHODS: A total of 10 healthy controls and 49 patients with chronic liver disease were enrolled prospectively. Two examiners performed point shearwave elastography (pSWE) and two-dimensional shearwave elastography (2D-SWE) measurements with an RS85A ultrasound scanner using the S-Shearwave application (Samsung Medison, Hongcheon, Korea). The performance of S-Shearwave in the staging (METAVIR F0-F4) of liver fibrosis was compared with prior transient elastography (TE) with receiver operating characteristic (ROC) curve analysis.
RESULTS: The interobserver reproducibility was excellent with pSWE (ICC = 0.92, 95% CI: 0.86-0.95, P < .001). A very good agreement was found between pSWE and TE measurements (ICC =0.85, 95% CI: 0.78-0.89, P < .001). The ROC analysis determined the optimal cut-off values of pSWE for the staging of chronic hepatitis C-associated fibrosis (F2, 1.46 m/s; F3, 1.63 m/s; F4, 1.95 m/s). Both observers achieved excellent diagnostic accuracy (AUROC: 94% vs 97%) in the detection of significant (≥F2) liver fibrosis.
CONCLUSION: The interobserver agreement is excellent with S-Shearwave pSWE, and observers can diagnose significant liver fibrosis with a comparable accuracy to TE.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:48 |
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| Enthalten in: |
Journal of clinical ultrasound : JCU - 48(2020), 2 vom: 15. Feb., Seite 67-74 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Kaposi, Pál N [VerfasserIn] |
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| Links: |
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| Themen: |
Chronic hepatitis C |
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| Anmerkungen: |
Date Completed 09.06.2020 Date Revised 09.06.2020 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1002/jcu.22771 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM300734166 |
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| 245 | 1 | 0 | |a Interobserver agreement and diagnostic accuracy of shearwave elastography for the staging of hepatitis C virus-associated liver fibrosis |
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| 500 | |a Date Revised 09.06.2020 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2019 The Authors. Journal of Clinical Ultrasound published by Wiley Periodicals, Inc. | ||
| 520 | |a PURPOSE: Our study aimed to evaluate the technical success rate, interobserver reproducibility, and accuracy of shearwave elastography (SWE) in the staging of hepatitis C virus (HCV)-associated liver fibrosis | ||
| 520 | |a METHODS: A total of 10 healthy controls and 49 patients with chronic liver disease were enrolled prospectively. Two examiners performed point shearwave elastography (pSWE) and two-dimensional shearwave elastography (2D-SWE) measurements with an RS85A ultrasound scanner using the S-Shearwave application (Samsung Medison, Hongcheon, Korea). The performance of S-Shearwave in the staging (METAVIR F0-F4) of liver fibrosis was compared with prior transient elastography (TE) with receiver operating characteristic (ROC) curve analysis | ||
| 520 | |a RESULTS: The interobserver reproducibility was excellent with pSWE (ICC = 0.92, 95% CI: 0.86-0.95, P < .001). A very good agreement was found between pSWE and TE measurements (ICC =0.85, 95% CI: 0.78-0.89, P < .001). The ROC analysis determined the optimal cut-off values of pSWE for the staging of chronic hepatitis C-associated fibrosis (F2, 1.46 m/s; F3, 1.63 m/s; F4, 1.95 m/s). Both observers achieved excellent diagnostic accuracy (AUROC: 94% vs 97%) in the detection of significant (≥F2) liver fibrosis | ||
| 520 | |a CONCLUSION: The interobserver agreement is excellent with S-Shearwave pSWE, and observers can diagnose significant liver fibrosis with a comparable accuracy to TE | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a HCV | |
| 650 | 4 | |a chronic hepatitis C | |
| 650 | 4 | |a liver fibrosis | |
| 650 | 4 | |a shearwave elastography | |
| 700 | 1 | |a Unger, Zsuzsanna |e verfasserin |4 aut | |
| 700 | 1 | |a Fejér, Bence |e verfasserin |4 aut | |
| 700 | 1 | |a Kucsa, András |e verfasserin |4 aut | |
| 700 | 1 | |a Tóth, Ambrus |e verfasserin |4 aut | |
| 700 | 1 | |a Folhoffer, Anikó |e verfasserin |4 aut | |
| 700 | 1 | |a Szalay, Ferenc |e verfasserin |4 aut | |
| 700 | 1 | |a Bérczi, Viktor |e verfasserin |4 aut | |
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