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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 | 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 |
| 3 | Hepatic schwannoma:Imaging findings on CT,MRI and contrast-enhanced ultrasonography显示文摘A primary benign schwannoma of the liver is extremely rare and is difficult to preoperatively discriminate from a malignant tumor.We compared the imaging and pathological findings,and examined the possibility of preoperatively diagnosing a benign liver schwannoma.A 72-year-old woman was admitted to our hospital because of a 4.6-cm mass in the liver.A malignant tumor was suspected,and a right hepatectomy was performed.After this,the diagnosis of a primary benign schwannoma of the liver was made through pathological examination.Contrast-enhanced ultrasonography(CEUS) with Sonazoid showed minute blood flows into the septum and solid areas of the tumor in the vascular phase;most likely due to increased arterial flow associated with infiltration of chronic inflammatory cells.In the postvascular phase,CEUS showed contrast defect of cystic areas and delayed enhancement of solid areas;most likely due to aggregation of siderophores.Because discriminating between a benign and malignant schwannoma of the liver is difficult,surgery is generally recommended.However,the two key findings from CEUS may be useful in discriminating ancient schwannoma by recognizing the hemorrhage involved in the secondary degeneration and aggregation of siderophores. | Yu Ota Kazunobu Aso Kenji Watanabe Takahiro Einama Koji Imai Hidenori Karasaki Ryuji Sudo Yosui Tamaki Mituyoshi Okada Yosihiko Tokusashi Toru Kono Naoyuki Miyokawa Masakazu Haneda Masahiko Taniguchi Hiroyuki Furukawa | 2012 | World Journal of Gastroenterology2012，18，35： | 11 |
| 4 | Successful resection of metachronous para-aortic, Virchow lymph node and liver metastatic recurrence of rectal cancer显示文摘A 66-year-old female presented with the main complaint of defecation trouble and abdominal distention. With diagnosis of rectal cancer, c SS, c N0, c H0, c P0, c M0 c Stage Ⅱ, Hartmann's operation with D3 lymph node dissection was performed and a para-aortic lymph node and a disseminated node near the primary tumor were resected. Histological examination showed moderately differentiated adenocarcinoma, p SS, p N3, p H0, p P1, p M1(para-aortic lymph node, dissemination) f Stage Ⅳ. After the operation, the patient received chemotherapy with FOLFIRI regimen. After 12 cycles of FOLFIRI regimen, computed tomography(CT) detected an 11 mm of liver metastasis in the posteroinferior segment of right hepatic lobe. With diagnosis of liver metastatic recurrence, we performed partial hepatectomy. Histological examination revealed moderately differentiated adenocarcinoma as a metastatic rectal cancer with cut end microscopically positive. After the second operation, the patient received chemotherapy with TS1 alone for 2 years. Ten months after the break, CT detected a 20 mm of paraaortic lymph node metastasis and a 10 mm of lymph node metastasis at the hepato-duodenal ligament. With diagnosis of lymph node metastatic recurrences, we performed lymph node dissection. Histological examination revealed moderately differentiated adenocarcinoma as metastatic rectal cancer in paraaortic and hepato-duodenal ligament areas. After the third operation, we started chemotherapy with modified FOLFOX6 regimen. After 2 cycles of modified FOLFOX6 regimen, due to the onset of neutropenia and liver dysfunction, we switched to capecitabine aloneand continued it for 6 mo and then stopped. Eleven months after the break, CT detected two swelling 12 mm of lymph nodes at the left supraclavicular region. With diagnosis of Virchow lymph node metastatic recurrence, we started chemotherapy with capecitabine plus bevacizumab regimen. Due to the onset of neutropenia and hand foot syndrome(Grade 3), we managed to continue capecitabine administration with extension of interval period and dose reduction. After 2 years and 2 mo from starting capecitabine plus bevacizumab regimen, Virchow lymph nodes had slowly grown up to 17 mm. Because no recurrence had been detected besides Virchow lymph nodes for this follow up period, considering the side effects and quality of life, surgical resection was selected. We performed left supraclavicular lymph node dissection. Histological examination revealed moderately differentiated adenocarcinoma as a metastatic rectal cancer. After the fourth operation, the patient selected follow up without chemotherapy. Now we follow up her without recurrence and keep her quality of life high. | Nobuyoshi Takeshita Toru Fukunaga Masayuki Kimura Yuji Sugamoto Kentaro Tasaki Isamu Hoshino Takumi Ota Tetsuro Maruyama Tomohide Tamachi Takashi Hosokawa Yo Asai Hisahiro Matsubara | 2015 | World Journal of Gastroenterology2015，21，44： | 4 |
| 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 | Oxidative stability of liposomes prepared from sobean PC, chicken egg PC, and salmon egg PC 显示文摘 | Eiichi Nara KIazuo Miyashita Toru Ota | 1997 | Biosci Biotech Biochem1997，61，10： | 1 |
| 7 | 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 |
| 8 | Prevalence and Clinicopathological Features of Autoimmune Pancreatitis in Japanese Patients With Inflammatory Bowel Disease显示文摘 | Toshiharu Ueki Kenichiro Kawamoto Yuichiro Otsuka Ryohei Minoda Toru Maruo Keiichiro Matsumura Eijiro Noma Tomoko Mitsuyasu Keisuke Otani Yoshiaki Aomi Yutaka Yano Takashi Hisabe Toshiyuki Matsui Atsuko Ota Akinori Iwashita | 2015 | Pancreas2015，，： | 1 |
| 9 | 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 |
| 10 | 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 |
| 11 | Thoracoscopic Stand-Alone Left Atrial Appendectomy for Thromboembolism Prevention in Nonvalvular Atrial Fibrillation显示文摘 | Toshiya Ohtsuka Mikio Ninomiya Takahiro Nonaka Motoyuki Hisagi Takahiro Ota Toru Mizutani | 2013 | Journal of the American College of Cardiology2013，，2： | 1 |
| 12 | Carbon dioxide insufflation is useful for obtaining clear images of the bile duct during peroral cholangioscopy (with video)显示文摘 | Toru Ueki Motowo Mizuno Shigeru Ota Tsuneyoshi Ogawa Hiroshi Matsushita Daisuke Uchida Norifumi Numata Asuka Ueda Yuuki Morimoto Yoko Kominami Shintaro Nanba Manabu Kurome Hirotoki Ohe Masahiro Nakagawa Yasuyuki Araki | 2010 | Gastrointestinal Endoscopy2010，，6： | 1 |
| 13 | 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 |
| 14 | 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 |
| 15 | 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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