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Prognostic roles of preoperative α-fetoprotein and des-γ-carboxy prothrombin in hepatocellular carcinoma patients

World Journal of Gastroenterology 2015年第16期21卷 4933-4945页

作者： Makoto Meguro Toru Mizuguchi toshihiko nishidate Kenji Okita Masayuki Ishii Shigenori Ota Tomomi Ueki Emi Akizuki Koichi Hirata Department of Surgery Surgical Oncology and ScienceSapporo Medical University School of Medicine

AIM:To clarify the utility of using des-γ-carboxy prothrombin(DCP)andα-fetoprotein(AFP)levels to predict the prognosis of hepatocellular carcinoma(HCC)in patients with hepatitis B virus(HBV)and the hepatitis C virus(HCV)***:A total of 205 patients with HCC(105patients with HBV infection 100 patients with HCV infection)who underwent primary hepatectomy between January 2004 and May 2012 were enrolled *** AFP and DCP levels were used to create interactive dot diagrams to predict recurrence within 2 years after hepatectomy,and cutoff levels were *** in the HBV and HCV groups were classified into three groups:a group with low AFP and DCP levels(LL group),a group in which one of the two parameters was high and the other was low(HL group),and a group with high AFP and DCP levels(HH group).Liver function parameters,the postoperative recurrence-free survival rate,and postoperative overall survival were compared between *** survival curves were compared by logrank test using the Kaplan-Meier *** analysis using a Cox forward stepwise logistic regression model was conducted for a ***:The preoperative AFP cutoff levels for recurrence within 2 years after hepatectomy in the HBV and HCV groups were 529.8 ng/m L and 60 m AU/m L,respectively;for preoperative DCP levels,the cutoff levels were 21.0 ng/m L in the HBV group and 67 m AU/m L in the HCV *** HBV group was significantly different from the other groups in terms of vascular invasion,major hepatectomy,volume of intraoperative blood loss,and surgical *** differences were found between the LL group,the HL group,and the HH group in terms of both mean disease-free survival time(MDFST)and mean overall survival time(MOST):64.81±7.47 vs 36.63±7.62 vs 18.98±6.17mo(P=0.001)and 85.30±6.55 vs 59.44±7.87 vs46.57±11.20 mo(P=0.018).In contrast,the HCV group exhibited a significant difference in tumor size,vascular invasion,volu

关键词： Hepatocellular carcinoma Hepatitis B Hepatitis C Des-γ-carboxy prothrombin α-fetoprotein

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Propensity score analysis demonstrated the prognostic advantage of anatomical liver resection in hepatocellular carcinoma

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World Journal of Gastroenterology 2014年第12期20卷 3335-3342页

作者： Masayuki Ishii Toru Mizuguchi Masaki Kawamoto Makoto Meguro Shigenori Ota toshihiko nishidate Kenji Okita Yasutohsi Kimura Thomas T Hui Koichi Hirata Department of Surgery Surgical Oncology and ScienceSapporo Medical University Hospital Sapporo Medical University Department of Surgery Children’s Hospital and Research Center Oakland

AIM: To compare the prognoses of hepatocellular carcinoma (HCC) patients that underwent anatomic liver resection (AR) or non-anatomic liver resection (NAR) using propensity score-matched populations.

关键词： Anatomical liver resection Propensity score analysis Hepatocellular carcinoma

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Vascular endothelial growth factor 165b expression in stromal cells and colorectal cancer

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World Journal of Gastroenterology 2011年第44期17卷 4867-4874页

作者： Makoto Tayama Tomohisa Furuhata Yoshiko Inafuku Kenji Okita toshihiko nishidate Toru Mizuguchi Yasutoshi Kimura Koichi Hirata the First Department of Surgery Sapporo Medical University

AIM:To characterize the implications of vascular endothelial growth factor(VEGF)-A in stromal cells and colorectal cancer and the expression of VEGF-A splice ***:VEGF-A expression in tumor and stromal cells from 165 consecutive patients with colorectal cancer was examined by *** association between VEGF-A expression status and clinicopathological factors was *** freshfrozen samples were obtained for laser capture microdissection to analyze the splice variants of ***:VEGF-A was expressed in 53.9% and 42.4% of tumor and stromal cells,***-A expression in tumor cells(t-VEGF-A) was associated with advanced clinical stage(stage 0,1/9;stage 1,2/16;stage 2,32/55;stage 3,38/66;stage 4,16/19,P < 0.0001).VEGF-A expression in stromal cells(s-VEGF-A) increased in the earlier clinical stage(stage 0,7/9;stage 1,6/16;stage 2,33/55;stage 3,22/66;stage 4,5/19;P = 0.004).Multivariate analyses for risk factors of recurrence showed that only s-VEGF-A expression was an independent risk factor for recurrence(relative risk 0.309,95% confidence interval 0.141-0.676,P = 0.0033).The five-year disease-free survival(DFS) rates of t-VEGF-A-positive and-negative cases were 51.4% and 62.9%,*** was no significant difference in t-VEGF-A expression *** five-year DFS rates of s-VEGF-A-positive and-negative cases were 73.8% and 39.9%,respectively.s-VEGFA-positive cases had significantly better survival than s-VEGF-A-negative cases(P = 0.0005).Splice variant analysis revealed that t-VEGF-A was mainly composed of VEGF165 and that s-VEGF-A included both VEGF165 and *** cases with no venous invasion(v0),the level of VEGF165b mRNA was significantly higher(v0 204.5 ± 122.7,v1 32.5 ± 36.7,v2 2.1 ± 1.7,P = 0.03).The microvessel density tended to be lower in cases with higher VEGF165b mRNA ***:s-VEGF-A appears be a good prognostic factor for colorectal cancer and includes VEGF165 and VEGF165b.

关键词： Colorectal cancer Vascular endothelial growth factor-A Vascular endothelial growth factor 165 Microvascular density Stromal cell

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Comprehensive review of post-liver resection surgical complications and a new universal classification and grading system

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World Journal of Hepatology 2014年第10期6卷 745-751页

作者： Masayuki Ishii Toru Mizuguchi Kohei Harada Shigenori Ota Makoto Meguro Tomomi Ueki toshihiko nishidate Kenji Okita Koichi Hirata Department of Surgery Surgical Oncology and ScienceSapporo Medical University Postgraduate School of Medicine

Liver resection is the gold standard treatment for certain liver tumors such as hepatocellular carcinoma and metastatic liver tumors. Some patients with such tumors already have reduced liver function due to chronic hepatitis, liver cirrhosis, or chemotherapy-associated steatohepatitis before surgery. Therefore, complications due to poor liver function are inevitable after liver resection. Although the mortality rate of liver resection has been reduced to a few percent in recent case series, its overall morbidity rate is reported to range from 4.1% to 47.7%. The large degree of variation in the post-liver resection morbidity rates reported in previous studies might be due to the lack of consen-sus regarding the definitions and classification of postliver resection complications. The Clavien-Dindo(CD) classification of post-operative complications is widely accepted internationally. However, it is hard to apply to some major post-liver resection complications because the consensus definitions and grading systems for posthepatectomy liver failure and bile leakage established by the International Study Group of Liver Surgery are incompatible with the CD classification. Therefore, a unified classification of post-liver resection complications has to be established to allow comparisons between academic reports.

关键词： Complication Liver failure Bile leakage Renal failure Ascites Coagulation disorder Surgical site infection

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Anal cushion lifting method is a novel radical management strategy for hemorrhoids that does not involve excision or cause postoperative anal complications

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World Journal of Gastrointestinal Surgery 2015年第10期7卷 273-278页

作者： Gentaro Ishiyama toshihiko nishidate Yuji Ishiyama Akihiko Nishio Ken Tarumi Maiko Kawamura Kenji Okita Toru Mizuguchi Mineko Fujimiya Koichi Hirata Department of Anorectal Surgery Sapporo Ishiyama Hospital Department of Anatomy II Graduate School of Medicine Sapporo Medical University Department of Surgery Surgical Oncology and ScienceGraduate School of Medicine Sapporo Medical University

AIM: To describe the anal cushion lifting(ACL) method with preliminary clinical results. METHODS: Between January to September 2007, 127 patients who received ACL method for hemorrhoid was investigated with informed consent. In this study, three surgeons who specialized in anorectal surgery performed the procedures. Patients with grade two or more severe hemorrhoids according to Goligher's classification were considered to be indicated for surgery. The patients were given the choice to undergo either the ACL method or theligation and excision method. ACL method is an original technique for managing hemorrhoids without excision. After dissecting the anal cushion from the internal sphincter muscle, the anal cushion was lifted to oral side and ligated at the proper position. Clinical characteristics and outcomes of patients were recorded including complications after surgery. RESULTS: A total of 127 patients were enrolled. Their median age was 42(19-84) years, and 74.8% were female. In addition, more than 99% of the patients had grade 3 or worse hemorrhoids. The median followup period was 26(0-88) mo, and the median operative time was 15(4-30) min. After surgery, analgesics were used for a median period of three days(0-21). Pain control was achieved using extra-oral analgesic drugs, although some patients required intravenous injections of analgesic drugs. The median duration of the patients' postoperative hospital stay was 7(2-13) d. A total of 10 complications(7.9%) occurred. Bleeding was observed in one patient and was successfully controlled with manual compression. Urinary retention occurred in 6 patients, but it disappeared spontaneously in all cases. Recurrent hemorrhoids developed in 3 patients after 36, 47, and 61 mo, respectively. No anal stenosis or persistent anal pain occurred. CONCLUSION: We consider that the ACL method might be better than all other current methods for managing hemorrhoids.

关键词： Hemorrhoidectomy Anal stenosis Anal cushion liftin

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