Protocol liver biopsy predicts graft survival after liver transplantation
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| Natura: | Artículo Open Access |
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Wiley
2024
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| author | Ville H. Liukkonen Arno J. Nordin Martti A. Färkkilä Tuomas K. Mirtti Johanna T. Arola Fredrik O. Åberg |
| author_facet | Ville H. Liukkonen Arno J. Nordin Martti A. Färkkilä Tuomas K. Mirtti Johanna T. Arola Fredrik O. Åberg Ville H. Liukkonen Arno J. Nordin Martti A. Färkkilä Tuomas K. Mirtti Johanna T. Arola Fredrik O. Åberg |
| collection | Wiley Open Access |
| contents | Protocol liver biopsy predicts graft survival after liver transplantation Ville H. Liukkonen Arno J. Nordin Martti A. Färkkilä Tuomas K. Mirtti Johanna T. Arola Fredrik O. Åberg Clinical Transplantation AbstractBackgroundThe use of protocol liver biopsy to monitor liver allograft status remains controversial. There is limited data from modern transplantation populations that includes protocol biopsies to evaluate its value in predicting clinical outcomes.MethodsAll protocol liver biopsies were identified from 875 patients who underwent liver transplantation at Helsinki University Hospital between 2000 and 2019. Each histologic component was analyzed for its ability to predict long‐term outcomes, especially graft survival. We determined the frequency of significant biopsy findings based on the Banff working group definition. Liver function tests (LFTs) and clinical markers were evaluated for their ability to predict significant biopsy findings.ResultsIn total, 867 protocol liver biopsies were analyzed. Significant findings were identified in 20.1% of the biopsies. In the first protocol biopsy, steatohepatitis (hazard ratio [HR] 3.504, p = .03) and moderate or severe congestion (HR 3.338, p = .04) predicted graft loss. The presence of cholangitis (HR 2.563, p = .04), necrosis (HR 7.635, p < .001), mild congestion (HR 4.291, p = .009), and significant biopsy finding (HR 2.540, p = .02) predicted inferior death‐censored graft survival. While the degree of elevation of LFTs was positively associated with significant biopsy findings, the discrimination was poor (AUC .572–.622). Combined LFTs and clinical risk factors remained suboptimal for discriminating significant biopsy findings (AUC .696).ConclusionsOur findings support the use of protocol liver biopsies after liver transplantation since they frequently revealed changes associated with long‐term outcomes, even when LFTs were normal. 10.1111/ctr.15286 http://creativecommons.org/licenses/by-nc/4.0/ |
| doi_str_mv | 10.1111/ctr.15286 |
| format | Artículo Open Access |
| id | wiley_oa_10_1111_ctr_15286 |
| institution | Wiley Open Access |
| license_str_mv | http://creativecommons.org/licenses/by-nc/4.0/ |
| publishDate | 2024 |
| publisher | Wiley |
| record_format | wiley_oa |
| spellingShingle | Protocol liver biopsy predicts graft survival after liver transplantation Ville H. Liukkonen Arno J. Nordin Martti A. Färkkilä Tuomas K. Mirtti Johanna T. Arola Fredrik O. Åberg Clinical Transplantation Protocol liver biopsy predicts graft survival after liver transplantation Ville H. Liukkonen Arno J. Nordin Martti A. Färkkilä Tuomas K. Mirtti Johanna T. Arola Fredrik O. Åberg Clinical Transplantation AbstractBackgroundThe use of protocol liver biopsy to monitor liver allograft status remains controversial. There is limited data from modern transplantation populations that includes protocol biopsies to evaluate its value in predicting clinical outcomes.MethodsAll protocol liver biopsies were identified from 875 patients who underwent liver transplantation at Helsinki University Hospital between 2000 and 2019. Each histologic component was analyzed for its ability to predict long‐term outcomes, especially graft survival. We determined the frequency of significant biopsy findings based on the Banff working group definition. Liver function tests (LFTs) and clinical markers were evaluated for their ability to predict significant biopsy findings.ResultsIn total, 867 protocol liver biopsies were analyzed. Significant findings were identified in 20.1% of the biopsies. In the first protocol biopsy, steatohepatitis (hazard ratio [HR] 3.504, p = .03) and moderate or severe congestion (HR 3.338, p = .04) predicted graft loss. The presence of cholangitis (HR 2.563, p = .04), necrosis (HR 7.635, p < .001), mild congestion (HR 4.291, p = .009), and significant biopsy finding (HR 2.540, p = .02) predicted inferior death‐censored graft survival. While the degree of elevation of LFTs was positively associated with significant biopsy findings, the discrimination was poor (AUC .572–.622). Combined LFTs and clinical risk factors remained suboptimal for discriminating significant biopsy findings (AUC .696).ConclusionsOur findings support the use of protocol liver biopsies after liver transplantation since they frequently revealed changes associated with long‐term outcomes, even when LFTs were normal. 10.1111/ctr.15286 http://creativecommons.org/licenses/by-nc/4.0/ |
| title | Protocol liver biopsy predicts graft survival after liver transplantation |
| topic | Clinical Transplantation |
| url | https://onlinelibrary.wiley.com/doi/10.1111/ctr.15286 |