The robotic surgical system has been applied in liver surgery. However, controversies concerns exist regarding a variety of factors including the safety, feasibility, efficacy, and cost-effectiveness of robotic surgery. To promote the development of robotic hepatectomy, this study aimed to evaluate the current status of robotic hepatectomy and provide sixty experts’ consensus and recommendations to promote its development. Based on the World Health Organization Handbook for Guideline Development, a Consensus Steering Group and a Consensus Development Group were established to determine the topics, prepare evidence-based documents, and generate recommendations. The GRADE Grid method and Delphi vote were used to formulate the recommendations. A total of 22 topics were prepared analyzed and widely discussed during the 4 meetings. Based on the published articles and expert panel opinion, 7 recommendations were generated by the GRADE method using an evidence-based method, which focused on the safety, feasibility, indication, techniques and cost-effectiveness of hepatectomy. Given that the current evidences were low to very low as evaluated by the GRADE method, further randomized-controlled trials are needed in the future to validate these recommendations.
A pancreatic fatty infiltration of the pancreas over 10% constitutes a risk factor for PF after PD. Age and BMI are useful preoperative predictors of the percentage of pancreatic fat.
The authors reviewed the passenger lymphocyte syndrome (PLS) that has appeared after transplantation. The definition, mechanism, serological, clinical features, and treatment for PLS after solid organ transplantation, especially liver transplantation, are described. The PLS refers to the clinical phenomenon of alloimmune hemolysis resulting from the adoptive transfer of viable lymphocytes from donor during solid organ or hematopoietic stem cell transplant. Sometimes, it is very severe and may cause “unexplained” hemolysis during the postoperative period.
The authors reviewed literature about the PLS in liver transplantation.
Background: We previously showed that embolization of portal inflow and hepatic vein (HV) outflow (liver venous deprivation, LVD) promotes future liver remnant (FLR) volume (FLR-V) and function (FLR-F) gain.Here, we compared FLR-V and FLR-F changes after portal vein embolization (PVE) and LVD.Methods: This study included all patients referred for liver preparation before major hepatectomy over 26 months. Exclusion criteria were: unavailable baseline/follow-up imaging, cirrhosis, Klatskin tumor, twostage hepatectomy. 99mTc-mebrofenin SPECT-CT was performed at baseline and at day 7, 14 and 21 after PVE or LVD. FLR-V and FLR-F variations were compared using multivariate generalized linear mixed models (joint modelling) with/without missing data imputation.Results: Baseline FLR-F was lower in the LVD (n=29) than PVE group (n=22) (P<0.001). Technical success was 100% in both groups without any major complication. Changes in FLR-V at day 14 and 21 (+14.2% vs. +50%, P=0.002; and +18.6% vs. +52.6%, P=0.001), and in FLR-F at day 7, 14 and 21 (+23.1% vs. +54.3%, P=0.02; +17.6% vs. +56.1%, P=0.006; and +29.8% vs. +63.9%, P<0.001) differed between PVE and LVD group. LVD (P=0.009), age (P=0.027) and baseline FLR-V (P=0.001) independently predicted FLR-V variations, whereas only LVD (P=0.01) predicted FLR-F changes. After missing data handling, LVD remained an independent predictor of FLR-V and FLR-F variations.Conclusions: LVD is safe and provides greater FLR-V and FLR-F increase than PVE. These results are now evaluated in the HYPERLIV-01 multicenter randomized trial.
Renal transplantation is the therapy of choice for children with end-stage renal disease. Despite excellent patient survival, long-term graft survival is poor, especially in the African-American (AA) population. This article addresses non-compliance as a major cause of late-term graft loss in the pediatric population. Between July 1995 and September 2002, a total of 50 pediatric kidney transplants were performed at our institution. We have analyzed data for 44 of these kidney transplants. Twelve recipients were AA, 14 Caucasian (C) and 18 Hispanic (H). The remaining six patients of different racial origin were not included in this analysis. The mean age of the recipients was 10.9 yr (range 1.7-17.8). Thirty-one were cadaveric and 13 were living donor transplants. We analyzed creatinine level and graft and patient survival at 1, 3 and 5 yr post-transplant. Compliance was evaluated based on trends in cyclosporine levels, attendance to clinic visits, individual interviews and unexplained late graft dysfunction. One- and 3-yr patient survival rates were 100% for all racial groups, except the 3-yr patient survival rate for C, which was 86%. One and 3-yr graft survival rates for AA, C and H were 92 and 67%, 86 and 79% and 100 and 100%, respectively. However, at 5 yr, we found that AA recipients had a significantly higher rate of graft loss when compared to both H and C recipients (42 vs. 95 vs. 71%, respectively). Non-compliance was the main factor, accounting for 71% of cases of late graft loss. In conclusion, non-compliance is a problem of great importance in the pediatric transplant population, particularly in AA recipients, where it plays a major role in late-term graft loss.
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