Quantifying changes in steatotic liver disease after bariatric surgery using ultrasound-derived fat fraction Article Swipe
Nanda Deepa Thimmappa
,
Ayman H. Gaballah
,
Talissa A. Altes
,
Deepti N Rao
,
Andrew A. Wheeler
,
Norbert Richardson
,
Joanne Cassani
,
Jacqueline Bailey
,
Yassin Labyed
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1093/radadv/umaf018
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1093/radadv/umaf018
Background A noninvasive, readily accessible, and quantitative methods are needed to evaluate changes in hepatic fat over time in patients undergoing bariatric surgery. Purpose To measure the change in ultrasound-derived fat fraction (UDFF) in severely obese adults before and after bariatric surgery. Materials and Methods Participants undergoing bariatric surgery were prospectively enrolled at a single center and evaluated at 3 time points: pre-surgery (before a 2-week pre-operative liquid diet), day of surgery (immediately following the liquid diet), and 6 months post-surgery. Measurements included UDFF (Siemens Healthineers ACUSON SEQUOIA), skin-to-liver capsule thickness, serum metabolic tests, liver function tests, and anthropometric data. Changes in these variables were analyzed using 2-sided paired t-tests. Pearson correlation analysis was used to evaluate associations between changes in UDFF and changes in skin-to-capsule thickness, waist circumference, and BMI. Results Seventeen participants (mean age 47.41 ± 11.11 years, 15 women) completed the study. UDFF (mean ± SD) decreased significantly from 20.4 ± 8.41% pre-surgery to 11.08 ± 6.33% at 6 months post-surgery (P < .001). Skin-to-liver capsule thickness decreased from 4.06 ± 0.66 cm to 2.88 ± 0.55 cm (P < .001). BMI decreased from 46.27 ± 6.65 kg/m2 to 35.5 ± 6.64 kg/m2 (P < .001), and waist circumference decreased from 130.29 ± 13.49 cm to 111.98 ± 16.03 cm (P < .001). No significant changes were observed in UDFF, skin-to-liver capsule thickness, or waist circumference after the liquid diet phase. Strong positive correlation between UDFF and BMI reduction was observed (r = 0.75, P < .001). Conclusions Bariatric surgery results in significant reductions in hepatic steatosis, as measured by UDFF, and reductions in skin-to-liver capsule thickness, BMI, and waist circumference at 6 months post-surgery. These findings suggest that UDFF could meet the clinical need for noninvasive monitoring of hepatic steatosis following bariatric surgery.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1093/radadv/umaf018
- https://academic.oup.com/radadv/advance-article-pdf/doi/10.1093/radadv/umaf018/63014420/umaf018.pdf
- OA Status
- diamond
- References
- 23
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4409838471
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Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4409838471Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1093/radadv/umaf018Digital Object Identifier
- Title
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Quantifying changes in steatotic liver disease after bariatric surgery using ultrasound-derived fat fractionWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2025Year of publication
- Publication date
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2025-04-26Full publication date if available
- Authors
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Nanda Deepa Thimmappa, Ayman H. Gaballah, Talissa A. Altes, Deepti N Rao, Andrew A. Wheeler, Norbert Richardson, Joanne Cassani, Jacqueline Bailey, Yassin LabyedList of authors in order
- Landing page
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https://doi.org/10.1093/radadv/umaf018Publisher landing page
- PDF URL
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https://academic.oup.com/radadv/advance-article-pdf/doi/10.1093/radadv/umaf018/63014420/umaf018.pdfDirect link to full text PDF
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YesWhether a free full text is available
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diamondOpen access status per OpenAlex
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https://academic.oup.com/radadv/advance-article-pdf/doi/10.1093/radadv/umaf018/63014420/umaf018.pdfDirect OA link when available
- Concepts
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Fatty liver, Medicine, Ultrasound, Fraction (chemistry), Liver disease, Disease, Liver steatosis, Gastroenterology, Internal medicine, Radiology, Chemistry, ChromatographyTop concepts (fields/topics) attached by OpenAlex
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0Total citation count in OpenAlex
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23Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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