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Kastamonu Medical Journal

Kastamonu Medical Journal regularly publishes internationally qualified issues in the field of Medicine in the light of up-to-date information.

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Original Article
The contribution of imaging to non-invasive fibrosis biomarkers in the diagnosis and staging of chronic liver disease
Abstract
Aims: Gold standard technique for determining the stage of fibrosis in cirrhosis is a biopsy. Non-invasive tests are used when a biopsy is contraindicated. However, their specificity and sensitivity still fall short of expectations. Aim of the study is to develop a model capable of determining fibrosis using serum biomarkers and liver ultrasonography.
Methods: A retrospective study was designed including patients with chronic hepatitis B and C underwenting liver biopsies between the time frame of 2015 to 2020 years at Trakya University School of Medicine. Epidemilogical data, ltrasonography and pathology reports were noted. Blood values were recorded and used to calculate AST / Platelet Ratio Index (APRI), Fibrosis-4 Index (FIB-4), Gothenburg University Cirrhosis Index (GUCI) noninvasive fibrosis indices. The fibrosis stages of the patients were assessed accoridng to pathology reports into three categories: advanced (F5-F6), moderate (F3-F4), and lower Ishak scores.
Results: A total of 259 patients were included in the study. The median age of the patients was 54 (19-90), and 40.9% (106) were female. The median values of APRI, GUCI and FIB-4 scores were respectively: 0.6 (0-21.8), 0.6 (0-26.2) and 1.6 (0.2-8.5). The effects of ultrasonography findings were examined to improve the diagnostic performance of APRI, GUCI and FIB-4 indices. Accompanied by statistical analysis, it was observed that the FIB-4 index and the presence of hepatosteatosis in the liver had a significant effect on the detection of F?3 (respectively; p<0.001, p=0.033). A new model named FIB4u (ultrasonography) was developed. The AUC values of indices for differentiation of intermediate and advanced stages of fibrosis (?3) were respectively:FIB4u 0.760; FIB-4 0.753; GUCI 0.676; APRI 0.667 (p<0.001). The FIB4u index demonstrated considerably better performance compared to both APRI and GUCI.
Conclusion: The FIB4u index, developed by combining ultrasonography and laboratory data, can be used as a new index for fibrosis assessment in the absence of advanced elastography techniques. It needs to be validated in larger patient cohorts to be used safely in the long term.

Keywords : Cirrhosis, FIB4, non-invasive fibrosis indices, ultrasonography

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Article available in :
Volume 4, Issue 1, 2024
Page : 15-18
https://doi.org/10.51271/KMJ-0134
Article Information
Received : 07 Oca 2024
Accepted : 01 Şub 2024
Published : 01 Mar 2024
Corresponding Author :

İdris Kurt: Department of Gastroenterology, Kastamonu Training and Research Hospital; Kastamonu, Turkiye

[email protected]
Citation : Yılmaz G, Kurt İ, Soylu AR, Usta U, Karabulut D, Uslu B. The contribution of imaging to non-invasive fibrosis biomarkers in the diagnosis and staging of chronic liver disease. Kastamonu Med J. 2024;4(1):15-20.

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