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Cyclosporin A, but not tacrolimus, negatively affects the hepatic extraction fraction of hepatobiliary scintigraphy in liver transplant recipients
(Transplantationskirurgi, Transplantation Surgery)ORCID iD: 0000-0003-2119-7757
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2014 (English)In: European Journal of Nuclear Medicine and Molecular Imaging Redearch, ISSN 2191-219X, Vol. 4, no 73Article in journal (Refereed) Published
Abstract [en]


Hepatobiliary scintigraphy using 99mTc-mebrofenin has been used as an investigation to study liver function after liver transplantation (LTx). Hepatic extraction fraction (HEF) is a measurement of the hepatic extraction efficiency and hepatic extraction rate. With the purpose of evaluating a possible diverging effect of cyclosporin A (CSA) and tacrolimus (TAC) on the HEF, we compared the HEF with biochemical and histological parameters in LTx patients receiving either CSA or TAC.


Thirty-nine adult patients who underwent LTx due to hepatitis C virus (HCV) cirrhosis were evaluated. All patients underwent a 3-month and 1-year follow-up that included hepatobiliary scintigraphy and biochemistry tests. Liver biopsy was performed at 1 year. These clinical parameters were compared between the two groups, TAC (n = 15) and CSA (n = 24).


The average HEF was significantly lower in the CSA group compared to the TAC group both at 3 months and 1 year after LTx. The liver biochemistry tests, average donor and recipient age, average cold ischemia time (CIT), and a clearance were comparable in the two groups. The TAC group had more inflammation than the CSA group. Moreover, three patients who converted from CSA to TAC increased their HEF values.


CSA-treated patients presented a lower HEF value on hepatobiliary scintigraphy in spite of comparable liver function by traditional measurements indicating a decrease on HEF values by CSA.

Place, publisher, year, edition, pages
2014. Vol. 4, no 73
Keyword [en]
National Category
Medical and Health Sciences
Research subject
Medical Science
URN: urn:nbn:se:uu:diva-244838DOI: 10.1186/s13550-014-0073-zOAI: oai:DiVA.org:uu-244838DiVA: diva2:789972
Available from: 2015-02-22 Created: 2015-02-22 Last updated: 2015-02-22

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Yamamoto, Shinji
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