In this study, adjuvant IFNα-2b did not reduce the postoperative recurrence of viral hepatitis-related HCC. More potent antiviral therapy deserves to be explored for this patient population. This study is registered at ClinicalTrials.gov and carries the identifier NCT00149565.
These results suggested that the regulatory activity of MSCs on T cells and GVHD might contribute to significant prolongation of composite tissue allotransplant survival in the MSC-BMT-CsA treatment.
Background: With improvements in living donor liver transplantation (LDLT) techniques and the increased experience of surgeons in laparoscopic major liver resection, laparoscopic donor hepatectomy is performed increasingly. Therefore, expert opinion on this procedure is required. Objective: The study aimed to report the current status and summarize the expert opinion on laparoscopic donor hepatectomy. Methods: An expert consensus meeting was held on September 8, 2016, in Seoul, Korea. Results: Laparoscopic donor left lateral sectionectomy could be considered the standard practice in pediatric LDLT. In adult LDLT, laparoscopy-assisted donor hepatectomy or left hepatectomy is potentially the next need, requiring more evidence for becoming standard practice. Laparoscopic donor right hepatectomy is still in the developmental stage, and more supporting evidence is required. Waving the cost consideration, the robotic approach could be a valid alternative for the suitable approaches of laparoscopy. Conclusions: Laparoscopic donor hepatectomy is increasing its role in both pediatric and adult LDLT. However, for major donor hepatectomy, more evidence is needed.
Cerebral edema is the common pathogenic mechanism for cognitive impairment in minimal hepatic encephalopathy. Whether complete reversibility of brain edema, cognitive deficits, and their associated imaging can be achieved after liver transplantation remains an open question. To characterize white matter integrity before and after liver transplantation in patients with minimal hepatic encephalopathy, multiple diffusivity indices acquired via diffusion tensor imaging was applied. Twenty-eight patients and thirty age- and sex-matched healthy volunteers were included. Multiple diffusivity indices were obtained from diffusion tensor images, including mean diffusivity, fractional anisotropy, axial diffusivity and radial diffusivity. The assessment was repeated 6–12 month after transplantation. Differences in white matter integrity between groups, as well as longitudinal changes, were evaluated using tract-based spatial statistical analysis. Correlation analyses were performed to identify first scan before transplantation and interval changes among the neuropsychiatric tests, clinical laboratory tests, and diffusion tensor imaging indices. After transplantation, decreased water diffusivity without fractional anisotropy change indicating reversible cerebral edema was found in the left anterior cingulate, claustrum, postcentral gyrus, and right corpus callosum. However, a progressive decrease in fractional anisotropy and an increase in radial diffusivity suggesting demyelination were noted in temporal lobe. Improved pre-transplantation albumin levels and interval changes were associated with better recoveries of diffusion tensor imaging indices. Improvements in interval diffusion tensor imaging indices in the right postcentral gyrus were correlated with visuospatial function score correction. In conclusion, longitudinal voxel-wise analysis of multiple diffusion tensor imaging indices demonstrated different white matter changes in minimal hepatic encephalopathy patients. Transplantation improved extracellular cerebral edema and the results of associated cognition tests. However, white matter demyelination may advance in temporal lobe.
In HCC, increased proliferation index PCNA is significantly associated with positive p53 and p21/WAF1. But p21/WAF1 expression did not relate to p53 expression. P21/WAF1 (+) is a good event and serves as an independent survival prognostic factor for HCC, which is a novel finding apart from previous reports.
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