期刊
LIVER TRANSPLANTATION
卷 24, 期 9, 页码 1233-1242出版社
WILEY
DOI: 10.1002/lt.25194
关键词
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资金
- Biocompatibles Inc., a BTG International group company
- National Institutes of Health [R01-DK070869]
- Biocompatibles Inc., a BTG International Group Co.
- NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES [R01DK070869] Funding Source: NIH RePORTER
Orthotopic liver transplantation (OLT) and resection are effective treatments for hepatocellular carcinoma (HCC). However, optimizing OLT and limiting HCC recurrence remains a vexing problem. New HCC Model for End-Stage Liver Disease and allocation algorithms provide greater observation of HCC patients, many while receiving local-regional treatments. Potential benefits of local-regional treatment for limiting HCC recurrence after OLT remain incompletely understood. Therefore, we aimed to define HCC-specific prognostic factors affecting recurrence in a contemporary, multicenter cohort of HCC patients undergoing OLT and specifically whether local-regional therapies limited recurrence. We identified 441 patients undergoing OLT for HCC at 3 major transplant centers from 2008 to 2013. Cox regression was used to analyze covariate-adjusted recurrence and mortality rates after OLT. Bridging or downstaging therapy was used in 238 (54%) patients with transarterial chemoembolization (TACE) being used in 170 (71%) of treated patients. The survival rate after OLT was 88% and 78% at 1 and 3 years, respectively, with HCC recurrence (28% of deaths) significantly increasing the mortality rate (hazard ratio [HR], 19.87; P < 0.001). Tumor size, not tumor number, either at presentation or on explant independently predicted HCC recurrence (HR, 1.36 and 1.73, respectively; P < 0.05) with a threshold effect noted at 4.0-cm size. Local-regional therapy (TACE) reduced HCC recurrence by 64% when adjusting for presenting tumor size (HR, 0.36; P < 0.05). Explant tumor size and microvascular invasion predicted mortality (HR, 1.19 and 1.51, respectively; P < 0.05) and pathologic response to therapy (TACE or radiofrequency ablation) significantly decreased explant tumor size (0.56-1.62 cm diameter reduction; P < 0.05). In conclusion, HCC tumor size at presentation or explant is the most important predictor for HCC recurrence after OLT. Local-regional therapy to achieve a pathologic response (decreasing tumor size) can limit HCC recurrences after OLT. Liver Transplantation 00 000-000 2018 AASLD.
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