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| 1 | Prognostic roles of preoperative α-fetoprotein and des-γ-carboxy prothrombin in hepatocellular carcinoma patients显示文摘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)infections.METHODS: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 retrospectively.Preoperative AFP and DCP levels were used to create interactive dot diagrams to predict recurrence within 2 years after hepatectomy,and cutoff levels were calculated.Patients 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 groups.The survival curves were compared by logrank test using the Kaplan-Meier method.Multivariate analysis using a Cox forward stepwise logistic regression model was conducted for a prognosis.RESULTS: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 group.The HBV group was significantly different from the other groups in terms of vascular invasion,major hepatectomy,volume of intraoperative blood loss,and surgical duration.Significant 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,volume of intraoperative blood loss,and surgical duration;however,no significant difference was observed between the three groups in liver function parameters except for albumin levels.In the LL group,the HL group,and the HH group,the MDFST was 50.09±5.90,31.01±7.21,and 14.81±3.08 mo(log-rank test,P<0.001),respectively,and the MOST was 79.45±8.30,58.82±7.56,and 32.87±6.31 mo(log-rank test,P<0.001),respectively.CONCLUSION:In the HBV group,the prognosis was poor when either AFP or DCP levels were high.In the HCV group,the prognosis was good when either or both levels were low;however,the prognosis was poor when both levels were high.High levels of both AFP and DCP were an independent risk factor associated with tumor recurrence in the HBV and HCV groups.The relationship between tumor marker levels and prognosis was characteristic to the type of viral hepatitis. | Makoto Meguro Toru Mizuguchi Toshihiko Nishidate Kenji Okita Masayuki Ishii Shigenori Ota Tomomi Ueki Emi Akizuki Koichi Hirata | 2015 | World Journal of Gastroenterology2015，21，16： | 16 |
| 2 | Assessment of liver fibrosis by a noninvasive method of transient elastography and biochemical markers显示文摘瞄准:为了是估计在纤维变性区域(FA ) 之间的关联,并且把 FibroScan 的诊断精确性比作用操作的接收装置的标记弄弯的另外的存在的肝纤维变性(LF ) ,由数字图象分析(DIA ) 计算了分析。方法:我们招募了包括正常的肝,肝炎 B,和丙肝为三不同病原学经历了肝切除术的 30 个病人。肝僵硬被使用 FibroScan 测量。FA 然后被 DIA 计算评估 LF 以便避免任何采样偏爱。结果:FA 否定地与凝血素相关时间(磅) ,血小板计数,卵磷脂胆固醇 acyltransferase (LCAT ) ,和白朊前(白长袍的) 。在另一方面, FibroScan 的调查结果与类似的标记相关。FA 断然与 FibroScan,浆液 hyaluronate 水平,和类型 IV 骨胶原相关水平,和 aspartate 转氨酶到血小板比率索引(APRI ) 。在操作的接收装置下面的区域弯因为 FibroScan 为另外的标记比那高,尽管统计意义是最小的。结论:我们的调查结果建议 FibroScan 能开始被用来作为肝活体检视(磅) 和血清诊断的一种选择估计 LF,因为它是有可比较的诊断精确性考虑的一个安全方法存在 LF 标记。 | Masaki Kawamoto Toru Mizuguchi Tadashi Katsuramaki Minoru Nagayama Hideki Oshima Hiroyuki Kawasaki Takayuki Nobuoka Yasutoshi Kimura Koichi Hirata | 2006 | World Journal of Gastroenterology2006，12，27： | 12 |
| 3 | Propensity score analysis demonstrated the prognostic advantage of anatomical liver resection in hepatocellular carcinoma显示文摘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.METHODS:Between January 2002 and December2010,268 consecutive HCC patients,including 110 and158 patients that underwent AR and NAR,respectively,were retrospectively enrolled in this study.Forty-four patients from each group were selected and matched using logistic multivariate analysis followed by propensity score analysis.RESULTS:In the whole analysis set,the histological background of the liver,liver function,and tumor marker levels differed significantly among the groups.Although the overall survival(OS)and recurrence-free survival rates of the two groups did not differ significantly in the whole analysis set,the OS of the AR group was significantly longer than that of the NAR group after propensity matching(76.2±6.3 mo vs 58.9±6.3mo;P=0.0039).Although AR(HR=0.456,P=0.039)was found to be a prognostic factor in the univariate analysis,only vascular invasion(HR=0.228,P=0.002)and the hepatocyte growth factor level(HR=52.366,P=0.035)were subsequently found to be independent prognostic factors.CONCLUSION:AR conveys a survival advantage over NAR in specific subpopulations of HCC patients with tumors of less than 5 cm in diameter,single tumor,and good liver function. | Masayuki Ishii Toru Mizuguchi Masaki Kawamoto Makoto Meguro Shigenori Ota Toshihiko Nishidate Kenji Okita Yasutohsi Kimura Thomas T Hui Koichi Hirata | 2014 | World Journal of Gastroenterology2014，20，12： | 12 |
| 4 | Vascular endothelial growth factor 165b expression in stromal cells and colorectal cancer显示文摘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 variants.METHODS:VEGF-A expression in tumor and stromal cells from 165 consecutive patients with colorectal cancer was examined by immunohistochemistry.The association between VEGF-A expression status and clinicopathological factors was investigated.Twenty freshfrozen samples were obtained for laser capture microdissection to analyze the splice variants of VEGF-A.RESULTS:VEGF-A was expressed in 53.9% and 42.4% of tumor and stromal cells,respectively.VEGF-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%,respectively.There was no significant difference in t-VEGF-A expression status.The 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 VEGF165b.In 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 levels.CONCLUSION:s-VEGF-A appears be a good prognostic factor for colorectal cancer and includes VEGF165 and VEGF165b. | Makoto Tayama Tomohisa Furuhata Yoshiko Inafuku Kenji Okita Toshihiko Nishidate Toru Mizuguchi Yasutoshi Kimura Koichi Hirata | 2011 | World Journal of Gastroenterology2011，17，44： | 10 |
| 5 | Comprehensive review of post-liver resection surgical complications and a new universal classification and grading system显示文摘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. | Masayuki Ishii Toru Mizuguchi Kohei Harada Shigenori Ota Makoto Meguro Tomomi Ueki Toshihiko Nishidate Kenji Okita Koichi Hirata | 2014 | World Journal of Hepatology2014，6，10： | 3 |
| 6 | Anal cushion lifting method is a novel radical management strategy for hemorrhoids that does not involve excision or cause postoperative anal complications显示文摘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. | Gentaro Ishiyama Toshihiko Nishidate Yuji Ishiyama Akihiko Nishio Ken Tarumi Maiko Kawamura Kenji Okita Toru Mizuguchi Mineko Fujimiya Koichi Hirata | 2015 | World Journal of Gastrointestinal Surgery2015，7，10： | 3 |
| 7 | Preoperative liver function assessments to estimate the prognosis and safety of liver resections显示文摘 | Toru Mizuguchi Masaki Kawamoto Makoto Meguro Thomas T. Hui Koichi Hirata | 2014 | Surgery Today2014，，1： | 2 |
| 8 | Biliary injury after laparoscopic cholecystectomy: end-to-end anastomosis covered with umbilical vein显示文摘 | Yasutoshi Kimura Koichi Hirata Mitsuhiro Mukaiya Toru Mizuguchi Takayuki Nobuoka Tomohisa Furuhata Tadashi Katsuramaki | 2005 | Journal of Hepato - Biliary - Pancreatic Surgery2005，，3： | 1 |
| 9 | Serum Hyaluronate Level for Predicting Subclinical Liver Dysfunction after Hepatectomy显示文摘 | Toru Mizuguchi M.D. Ph.D. Tadashi Katsuramaki M.D. Ph.D. Takayuki Nobuoka M.D. Masaki Kawamoto M.D. Hideki Oshima M.D. Hiroyuki Kawasaki M.D. Hitoshi Kikuchi M.D. Chihiro Shibata M.D. Koichi Hirata M.D. Ph.D | 2004 | World Journal of Surgery2004，，10： | 1 |
| 10 | Cluster analysis of indicators of liver functional and preoperative low branched-chain amino acid tyrosine ration indicate a high risk of early recurrence in analysis of 165 hepatocellular carcinoma patients after initial hepatectomy显示文摘 | Yukio Nakamura Toru Mizuguchi Masaki Kawamoto Makoto Meguro Kohei Harada Shigenori Ota Koichi Hirata | 2011 | Surgery2011，，2： | 1 |
| 11 | Hepatocyte transplantation for total liver repopulation显示文摘 | Toru Mizuguchi Toshihiro Mitaka Tadashi Katsuramaki Koichi Hirata | 2005 | Journal of Hepato - Biliary - Pancreatic Surgery2005，，5： | 1 |
| 12 | Current standard values of health utility scores for evaluating costeffectiveness in liver disease:A meta-analysis显示文摘BACKGROUND Health utility assessments have been developed for various conditions,including chronic liver disease.Health utility scores are required for socio-economic evaluations,which can aid the distribution of national budgets.However,the standard health utility assessment scores for specific health conditions are largely unknown.AIM To summarize the health utility scores,including the EuroQOL 5-dimensions 5-levels(EQ-5D-5L),EuroQol-visual analogue scale,short from-36(SF-36),RAND-36,and Health Utilities Index(HUI)-Mark2/Mark3 scores,for the normal population and chronic liver disease patients.METHODS A systematic literature search of PubMed and MEDLINE,including the Cochrane Library,was performed.Meta-analysis was performed using the RevMan software.Multiple means and standard deviations were combined using the StatsToDo online web program.RESULTS The EQ-5D-5L and SF-36 can be used for health utility evaluations during antiviral therapy for hepatitis C.HUI-Mark2/Mark3 indicated that the health utility scores of hepatitis B patients are roughly 30% better than those of hepatitis C patients.CONCLUSION The EQ-5D-5L is the most popular questionnaire for health utility assessments.Health assessments that allow free registration would be useful for evaluating health utility in patients with liver disease. | Tomohiro Ishinuki Shigenori Ota Kohei Harada Masaki Kawamoto Makoto Meguro Goro Kutomi Hiroomi Tatsumi Keisuke Harada Koji Miyanishi Toru Kato Toshio Ohyanagi Thomas T Hui Toru Mizuguchi | 2022 | World Journal of Gastroenterology2022，28，31： | 1 |
| 13 | Prospective Nonrandomized Comparison Between Pylorus-Preserving and Subtotal Stomach-Preserving Pancreaticoduodenectomy from the Perspectives of DGE Occurrence and Postoperative Digestive Functions显示文摘 | Emi Akizuki Yasutoshi Kimura Takayuki Nobuoka Masafumi Imamura Toshihiko Nishidate Toru Mizuguchi Tomohisa Furuhata Koichi Hirata | 2008 | Journal of Gastrointestinal Surgery2008，，7： | 1 |
| 14 | Hand-assisted laparoscopic pylorus-preserving pancreaticoduodenectomy for pancreas head disease显示文摘 | Yasutoshi Kimura Koichi Hirata Mitsuhiro Mukaiya Toru Mizuguchi Kazumitsu Koito Tadashi Katsuramaki | 2005 | The American Journal of Surgery2005，，6： | 1 |
| 15 | Mice Genetically Deficient in Vasopressin V1a and V1b Receptors Are Resistant to Jet Lag显示文摘 | Yoshiaki Yamaguchi Toru Suzuki Yasutaka Mizoro Hiroshi Kori Kazuki Okada Yulin Chen Jean-Michel Fustin Fumiyoshi Yamazaki Naoki Mizuguchi Jing Zhang Xin Dong Gozoh Tsujimoto Yasushi Okuno Masao Doi Hitoshi Okamura | 2013 | Science2013，，6154： | 1 |
| 16 | Prognosis and Predictors of Surgical Complications in Hepatocellular Carcinoma Patients With or Without Cirrhosis after Hepatectomy显示文摘 | Toru Mizuguchi Masaki Kawamoto Makoto Meguro Yukio Nakamura Shigenori Ota Thomas T. Hui Koichi Hirata | 2013 | World Journal of Surgery2013，，6： | 1 |
| 17 | Health-related quality of life in patients that have undergone liver resection:A systematic review and meta-analysis显示文摘BACKGROUND Mortality after hepatectomy has decreased,and the quality of various surgical approaches to hepatectomy have been evaluated.Various assessments of quality of life(QOL)after hepatectomy have been developed and investigated in different clinical settings.AIM To conduct a systematic review and meta-analysis to examine two clinical topics:Laparoscopic hepatectomy vs open hepatectomy,and preoperative QOL status vs postoperative QOL status.METHODS A systematic literature search was performed using PubMed and MEDLINE,including the Cochrane Library Central.The following inclusion criteria were set for inclusion in this meta-analysis:(1)Studies comparing preoperative QOL and postoperative QOL;and(2)Studies comparing QOL between laparoscopic hepatectomy and open hepatectomy.RESULTS A total of 8 articles were included in this meta-analysis.QOL was better after laparoscopic hepatectomy than after open hepatectomy.CONCLUSION The outcomes of evaluations of QOL after hepatectomy can depend on the type of questionnaire used,the timing of the assessment,and the etiology of the hepatic disease. | Tomohiro Ishinuki Shigenori Ota Kohei Harada Hiroomi Tatsumi Keisuke Harada Koji Miyanishi MinoruNagayama Ichiro Takemasa Toshio Ohyanagi Thomas T Hui Toru Mizuguchi | 2021 | World Journal of Meta-Analysis2021，9，1： | 0 |
| 18 | Recent evidence for subcutaneous drains to prevent surgical site infections after abdominal surgery:A systematic review and metaanalysis显示文摘BACKGROUND Surgical site infections(SSIs)increase mortality,hospital stays,additional medical treatment,and medical costs.Subcutaneous drains prevent SSIs in gynecological and breast surgeries;however,their clinical impact in abdominal surgery remains unclear.AIM To investigate whether subcutaneous drains were beneficial in abdominal surgery using a systematic review and meta-analysis.METHODS The database search used PubMed,MEDLINE,and the Cochrane Library.The following inclusion criteria were set for the systematic review:(1)Randomized controlled trial studies comparing SSIs after abdominal surgery with or without subcutaneous drains;and(2)Studies that described clinical outcomes,such as SSIs,seroma formation,the length of hospital stays,and mortality.RESULTS Eight studies were included in this meta-analysis.The rate of total SSIs was significantly lower in the drained group(54/771,7.0%)than in the control group(89/759,11.7%),particularly in gastrointestinal surgery.Furthermore,the rate of superficial SSIs was slightly lower in the drained group(31/517,6.0%)than in the control group(49/521,9.4%).No significant differences were observed in seroma formation between the groups.Hospital stays were shorter in the drained group than in the control group.CONCLUSION Subcutaneous drains after abdominal surgery prevented SSIs and reduced hospital stays but did not significantly affect seroma formation.The timing of drain removal needs to be reconsidered in future studies. | Tomohiro Ishinuki Hiroji Shinkawa Keita Kouzu Seiichi Shinji Erika Goda Toshio Ohyanagi Masahiro Kobayashi Motomu Kobayashi Katsunori Suzuki Yuichi Kitagawa Chizuru Yamashita Yasuhiko Mohri Junzo Shimizu Motoi Uchino Seiji Haji Masahiro Yoshida Hiroki Ohge Toshihiko Mayumi Toru Mizuguchi | 2023 | World Journal of Gastrointestinal Surgery2023，15，12： | 0 |
| 19 | Low-dose steroid pretreatment ameliorates the transient impairment of liver regeneration显示文摘AIM:To determine if liver regeneration (LR) could be disturbed following radiofrequency (RF) ablation and whether modification of LR by steroid administration occurs.METHODS:Sham operation,partial hepatectomy (PH),and partial hepatectomy with radiofrequency ablation (PHA) were performed on adult Fisher 344 rats.We investigated the recovery of liver volume,DNA synthetic activities,serum cytokine/chemokine levels and signal transducers and activators of transcription 3 DNA-binding activities in the nucleus after the operations.Additionally,the effects of steroid (dexamethasone) pretreatment in the PH group (S-PH) and the PHA group (S-PHA) were compared.RESULTS:The LR after PHA was impaired,with high serum cytokine/chemokine induction compared to PH,although the ratio of the residual liver weight to body weight was not significantly different.Steroid pretreatment disturbed LR in the S-PH group.On the other hand,low-dose steroid pretreatment improved LR and suppressed tumor necrosis factor (TNF)-α elevation in the S-PHA group,with recovery of STAT3 DNA-binding activity.On the other hand,low-dose steroid pretreatment improved LR and suppressed TNF-α elevation in the S-PHA group,with recovery of STAT3 DNA-binding activity.CONCLUSION:LR is disturbed after RF ablation,with high serum cytokine/chemokine induction.Low-dose steroid administration can improve LR after RF ablation with TNF-α suppression. | Toshihito Shibata Toru Mizuguchi Yukio Nakamura Masaki Kawamoto Makoto Meguro Shigenori Ota Koichi Hirata Hidekazu Ooe Toshihiro Mitaka | 2012 | World Journal of Gastroenterology2012，18，9： | 0 |
| 20 | Maturation of robotic liver resection during the last decade:A systematic review and meta-analysis显示文摘BACKGROUND Minimally invasive hepatectomy techniques have developed rapidly since 2000.Pure laparoscopic liver resection(LLR)has become the primary approach for managing liver tumors and procuring donor organs for liver transplantation.Robotic liver resection(RLR)has emerged during the last decade.The technical status of RLR seems to be improving.AIM To conduct a systematic review and meta-analysis comparing the short-term clinical outcomes of LLR and RLR over two 5-year periods.METHODS A systematic literature search was performed using PubMed and Medline,including the Cochrane Library.The following inclusion criteria were set for the meta-analysis:(1)Studies comparing LLR vs RLR;and(2)Studies that described clinical outcomes,such as the operative time,intraoperative bleeding,intraoperative conversion rate,and postoperative complications.RESULTS A total of 25 articles were included in this meta-analysis after 40 articles had been subjected to full-text evaluations.The studies were divided into early(n=14)and recent(n=11)groups.In the recent group,the operative time did not differ significantly between LLR and RLR(P=0.70),whereas in the early group the operative time of LLR was significantly shorter than that of RLR(P<0.001).CONCLUSION The initial disadvantages of RLR,such as its long operation time,have been overcome during the last 5 years.The other clinical outcomes of RLR are comparable to those of LLR.The cost and quality-of-life outcomes of RLR should be evaluated in future studies to promote its routine clinical use. | Tomohiro Ishinuki Shigenori Ota Kohei Harada Makoto Meguro Masaki Kawamoto Goro Kutomi Hiroomi Tatsumi Keisuke Harada Koji Miyanishi Ichiro Takemasa Toshio Ohyanagi Thomas T Hui Toru Mizuguchi | 2021 | World Journal of Meta-Analysis2021，9，5： | 0 |
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