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Normal liver elasticity values using acoustic radiation force impulse imaging: a prospective study in healthy living liver and kidney donors

Authors
 Chang Young Son  ;  Seung Up Kim  ;  Woong Kyu Han  ;  Gi Hong Choi  ;  Hana Park  ;  Seung Choul Yang  ;  Jin Sub Choi  ;  Jun Yong Park  ;  Do Young Kim  ;  Sang Hoon Ahn  ;  Chae Yoon Chon  ;  Kwang-Hyub Han 
Citation
 Journal of Gastroenterology and Hepatology, Vol.27(1) : 130-136, 2012 
Journal Title
 Journal of Gastroenterology and Hepatology 
ISSN
 0815-9319 
Issue Date
2012
Abstract
BACKGROUND AND AIM: Although several studies have investigated the normal range of liver elasticity using acoustic radiation force impulse (ARFI) elastography in healthy volunteers, they could not strictly exclude the morphological and functional liver abnormalities. The aim of this study was to identify the normal range of ARFI velocity by recruiting healthy living liver and kidney donors who passed the full laboratory tests and imaging studies. METHODS: The study prospectively enrolled 108 healthy living liver (n = 42) and kidney donors (n = 66) who were admitted for transplantation between July 2010 to April 2011. None of the subjects had abnormal liver function test and imaging findings including conventional ultrasonography, computed tomography or magnetic resonance imaging. RESULTS: The mean age of the study population (58 men and 50 women) was 35.5 years, and the mean ARFI velocity was 1.07 ± 0.11 m/s (range: 0.79-1.27). ARFI velocity was not significantly different between subjects with body mass index (BMI) < 23.5 kg/m(2) and those with BMI ≥ 23.5 kg/m(2) (1.05 ± 0.12 m/s vs 1.07 ± 0.10 m/s, P = 0.518), nor was it significantly different according to age (P = 0.067) and gender (1.08 ± 0.12 m/s for men vs 1.05 ± 0.11 m/s for women, P = 0.085). Using the 5(th) and 95(th) percentiles, we determined the normal range and mean of ARFI velocity to be 0.85-1.25 m/s and 1.07 ± 0.11 m/s. CONCLUSIONS: We identified the normal range of ARFI velocity as 0.85-1.25 m/s and found that it was not significantly influenced by BMI, gender, and age.
Full Text
http://onlinelibrary.wiley.com/doi/10.1111/j.1440-1746.2011.06814.x/abstract
DOI
10.1111/j.1440-1746.2011.06814.x
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
김도영(Kim, Do Young)
김승업(Kim, Seung Up) ORCID logo https://orcid.org/0000-0002-9658-8050
박준용(Park, Jun Yong) ORCID logo https://orcid.org/0000-0001-6324-2224
박하나(Park, Ha Na)
손창영(Son, Chang Young)
안상훈(Ahn, Sang Hoon) ORCID logo https://orcid.org/0000-0002-3629-4624
양승철(Yang, Seung Choul)
전재윤(Chon, Chae Yoon)
최기홍(Choi, Gi Hong) ORCID logo https://orcid.org/0000-0002-1593-3773
최진섭(Choi, Jin Sub)
한광협(Han, Kwang-Hyub) ORCID logo https://orcid.org/0000-0003-3960-6539
한웅규(Han, Woong Kyu) ORCID logo https://orcid.org/0000-0002-2527-4046
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/90798
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