Clinical Feasibility of Shear Wave Dispersion Slope for Noninvasive Diagnosis of Nonalcoholic Steatohepatitis in Patients With Morbid Obesity Preliminary Results Using US Shear Wave Elastography
- Authors
- Kim, Yeonsoo; Hwang, Jiyoung; Bae, Sung Hwan; Hong, Seong Sook; Chang, Yun-Woo; Kim, Hyun-joo; Kim, Sang Hyun; Jin, So-Young
- Issue Date
- Jun-2022
- Publisher
- Lippincott Williams & Wilkins Ltd.
- Keywords
- nonalcoholic fatty liver disease; ultrasonography; elasticity imaging techniques; morbid obesity
- Citation
- Ultrasound Quarterly, v.38, no.2, pp 149 - 154
- Pages
- 6
- Journal Title
- Ultrasound Quarterly
- Volume
- 38
- Number
- 2
- Start Page
- 149
- End Page
- 154
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/21063
- DOI
- 10.1097/RUQ.0000000000000599
- ISSN
- 0894-8771
1536-0253
- Abstract
- We aimed to investigate the clinical feasibility of shear wave dispersion slope for assessing nonalcoholic steatohepatitis (NASH) in patients with morbid obesity before bariatric surgery. This prospective study collected data from 25 participants who received liver biopsy during bariatric surgery between February 2019 and December 2020. All participants underwent ultrasonography shear wave elastography before surgery and shear wave speed and shear wave dispersion slope were measured. Liver specimens were evaluated by 1 pathologist scored histologically for nonalcoholic fatty liver disease (NAFLD). Ultrasonography measurements were compared according to histopathologic findings. Diagnostic performance in differentiating NASH from NAFLD was evaluated using the area under the receiver operating characteristic curve (AUC). Median shear wave speed (1.48 vs 1.62 m/s, P = 0.014) and dispersion slope (8.40 vs 11.80 [m/s]/kHz, P = 0.004) were higher in NASH group than in NAFLD group. Shear wave dispersion slope tended to increase step by step as the severity of activity grade (P = 0.032) and hepatic fibrosis (P = 0.015) increased. The AUC of shear wave dispersion slope for differentiating NASH from NAFLD (AUC, 0.83; 95% confidence intervals, 0.66-1.00) was higher than that of shear wave speed (AUC, 0.78; 95% CI, 0.60-0.97), although it did not reach statistical significance (P = 0.729). Shear wave dispersion slope could be a feasible tool for assessing NASH in patients with morbid obesity.
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Collections - College of Medicine > Department of Pathology > 1. Journal Articles
- College of Medicine > Department of General Surgery > 1. Journal Articles
- College of Medicine > Department of Radiology > 1. Journal Articles
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