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| 1 | Efficacy of mosapride citrate with polyethylene glycol solution for colonoscopy preparation显示文摘AIM:To evaluate the efficacy and safety of adjunctive mosapride citrate for bowel preparation before colonoscopy. METHODS:We conducted a randomized,double-blind, placebo-controlled study with mosapride in addition to polyethylene glycol(PEG)-electrolyte solution.Of 250 patients undergoing colonoscopy,124 were randomized to receive 2 L PEG plus 15 mg of mosapride citrate (mosapride group),and 126 received 2 L PEG plus placebo(placebo group).Patients completed a questionnaire reporting the acceptability and tolerability of the bowel preparation process.The efficacy of bowel preparation was assessed by colonoscopists using a 5-point scale based on Aronchick's criteria.The primary end point was optimal bowel preparation rates(scores of excellent/good/fair vs poor/inadequate). RESULTS:A total of 249 patients were included in the analysis.In the mosapride group,optimal bowel preparation rates were significantly higher in the left colon compared with the placebo group(78.2%vs 65.6%,P<0.05),but not in the right colon(76.5%vs 66.4%,P=0.08).After excluding patients with severe constipation,there was a significant difference in bowel preparation in both the left and right colon(82.4%vs 66.7%,80.8%vs 67.5%,P<0.05,P<0.01).The incidence of adverse events was similar in both groups. Among the subgroup who had previous colonoscopy experience,a significantly higher number of patients in the mosapride group felt that the current preparation was easier compared with patients in the placebo group(34/72 patients vs 24/74 patients,P<0.05). CONCLUSION:Mosapride citrate may be an effective and safe adjunct to PEG-electrolyte solution that leads to improved quality of bowel preparation,especially in patients without severe constipation. | Masahiro Tajika Yasumasa Niwa Vikram Bhatia Hiroki Kawai Shinya Kondo Akira Sawaki Nobumasa Mizuno Kazuo Hara Susumu Hijioka Kazuya Matsumoto Yuji Kobayashi Akira Saeki Asana Akabane Koji Komori Kenji Yamao | 2012 | World Journal of Gastroenterology2012，18，20： | 21 |
| 2 | Clinical outcomes of ampullary neoplasms in resected margin positive or uncertain cases after endoscopic papillectomy显示文摘BACKGROUND Endoscopic papillectomy(EP) for benign ampullary neoplasms could be a lessinvasive alternative to pancreatoduodenectomy(PD). There are some problems and limitations with EP. The post-EP resection margins of ampullary tumors are often positive or uncertain because of the burning effect of EP. The clinical outcomes of resected margin positive or uncertain cases after EP remain unknown.AIM To investigate the clinical outcomes of resected margin positive or uncertain cases after EP.METHODS Between January 2007 and October 2018, all patients with ampullary tumors who underwent EP at Kobe University Hospital were included in this study. The indications for EP were as follows: adenoma, as determined by preoperative endoscopic biopsy, without bile/pancreatic duct extension, according to endoscopic ultrasound or intraductal ultrasound. The clinical outcomes of resected margin positive or uncertain cases after EP were retrospectively investigated.RESULTS Of the 45 patients, 29 were male, and 16 were female. The mean age of the patients was 65 years old. Forty-one patients(89.5%) underwent en bloc resection,and 4 patients(10.5%) underwent piecemeal resection. After EP, 33 tumors were histopathologically diagnosed as adenoma, and 12 were diagnosed as adenocarcinoma. The resected margins were positive or uncertain in 24 patients(53.3%). Of these cases, 15 and 9 were diagnosed as adenoma and adenocarcinoma, respectively. Follow-up observation was selected for all adenomas and 5 adenocarcinomas. In the remaining 4 adenocarcinoma cases,additional PD was performed. Additional PD was performed in 4 cases, and residual carcinoma was found after the additional PD in 1 of these cases. In the follow-up period, local tumor recurrence was detected in 3 cases. Two of these cases involved primary EP-diagnosed adenoma. The recurrent tumors were also adenomas detected by biopsy. The remaining case involved primary EPdiagnosed adenocarcinoma. The recurrent tumor was also an adenocarcinoma.All of the recurrent tumors were successfully treated with argon plasma coagulation(APC). There was no local or lymph node recurrence after the APC.The post-APC follow-up periods lasted for 57.1 to 133.8 mo. No ampullary tumor-related deaths occurred in all patients.CONCLUSION Resected margin positive or uncertain cases after EP could be managed by endoscopic treatment including APC, even in cases of adenocarcinoma. EP could become an effective less-invasive first-line treatment for early stage ampullary tumors. | Arata Sakai Masahiro Tsujimae Atsuhiro Masuda Takao Iemoto Shigeto Ashina Kohei Yamakawa Takeshi Tanaka Shunta Tanaka Yasutaka Yamada Ryota Nakano Yu Sato Manabu Kurosawa Takuya Ikegawa Seiji Fujigaki Takashi Kobayashi Hideyuki Shiomi Yoshifumi Arisaka Tomoo Itoh Yuzo Kodama | 2019 | World Journal of Gastroenterology2019，25，11： | 9 |
| 3 | Advantage of autologous blood transfusion in surgery for hepatocellular carcinoma显示文摘AIM: To evaluate the significance of autologous blood transfusion (AT) in reducing homologous blood transfusion (HT) in surgery for hepatocellular carcinoma (HCC). METHODS: The proportion of patients who received HT was compared between two groups determined by the time of AT introduction; period A (1991-1994, n = 93) and period B (1995-2000, n = 201). Multivariate logistic regression analysis was performed in order to identify independent significant predictors of the need for HT. We also investigated the impact of AT and HT on long-term postoperative outcome after curative surgery for HCC. RESULTS: The proportion of patients with HT was significantly lower in period B than period A (18.9% vs 60.2%, P < 0.0001). Multivariate logistic regression analysis identified AT administration as a significant independent predictor of the need for HT (P < 0.0001). Disease-free survival in patients with AT was comparable to that without any transfusion. Multivariate analysis identified HT administration as an independent significant factor for poorer disease-free survival (P = 0.0380). CONCLUSION: AT administration significantly decreased the need for HT. Considering the postoperative survival disadvantage of HT, AT administration could improve the long-term outcome of HCC patients. | Yoshito Tomimaru Hidetoshi Eguchi Shigeru Marubashi Hiroshi Wada Shogo Kobayashi Masahiro Tanemura Koji Umeshita Yuichiro Doki Masaki Mori Hiroaki Nagano | 2011 | World Journal of Gastroenterology2011，17，32： | 8 |
| 4 | Hepatitis C virus enhances incidence of idiopathic pulmonary fibrosis显示文摘AIM: To investigate the cumulative development incidence and predictive factors for idiopathic pulmonary fibrosis in hepatitis C virus (HCV) positive patients. METHODS: We studied 6150 HCV infected patients who were between 40-70 years old (HCV-group). Another 2050 patients with hepatitis B virus (HBV) were selected as control (HBV-group). The mean observation period was 8.0 ± 5.9 years in HCV-group and 6.3 ± 5.5 years in HBV-group. The primary goal is the development of idiopathic pulmonary fibrosis (IPF) in both groups. The cumulative appearance rate of IPF and independent factors associated with the incidence rate of IPF were calculated using the Kaplan- Meier method and the Cox proportional hazard model. All of the studies were performed retrospectively by collecting and analyzing data from the patient records in our hospital. RESULTS: Fifteen patients in HCV-group developedIPF. On the other hand, none of the patients developed IPF in HBV-group. In HCV-group, the cumulative rates of IPF development were 0.3% at 10th year and 0.9% at 20th year. The IPF development rate in HCV-group was higher than that in HBV-group (P = 0.021). The IPF development rate in patients with HCV or HBV was high with statistical significance in the following cases: (1) patients ≥ 55 years (P < 0.001); (2) patients who had smoking index (package per day × year) of ≥ 20 (P = 0.002); (3) patients with liver cirrhosis (P = 0.042). CONCLUSION: Our results indicate that age, smoking and liver cirrhosis enhance the development of IPF in HCV positive patients. | Yasuji Arase Fumitaka Suzuki Yoshiyuki Suzuki Norio Akuta Masahiro Kobayashi Yusuke Kawamura Hiromi Yatsuji Hitomi Sezaki Tetsuya Hosaka Miharu Hirakawa Satoshi Saito Kenji Ikeda Hiromitsu Kumada | 2008 | World Journal of Gastroenterology2008，14，38： | 8 |
| 5 | Sclerosing epithelioid fibrosarcoma of the liver infiltrating the inferior vena cava显示文摘Sclerosing epithelioid fibrosarcoma (SEF) is a rare and distinct variant of fibrosarcoma, composed of epithelioid tumor cells arranged in strands, nests, cords, or sheets embedded within a sclerotic collagenous matrix. We report a 39-year-old man with SEF of the liver, which infiltrated the inferior vena cava (IVC). The SEF of the liver was successfully resected, and the infiltrated IVC was also removed together with the liver tumor. Histopathological examination of the tumor showed typical histopathology of SEF. Immunohistochemically, the tumor was positive for vimentin. Recurrence was noted 7 mo after surgery. After chemotherapy, the recurrent tumor was resected surgically, and histopathological examination showed similar findingsto those of the primary tumor. To our knowledge, this is the first report of SEF of the liver with tumor invasion of the IVC. | Yoshito Tomimaru Hiroaki Nagano Shigeru Marubashi Shogo Kobayashi Hidetoshi Eguchi Yutaka Takeda Masahiro Tanemura Toru Kitagawa Koji Umeshita Nobuyuki Hashimoto Hideki Yoshikawa Kenichi Wakasa Yuichiro Doki Masaki Mori | 2009 | World Journal of Gastroenterology2009，15，33： | 5 |
| 6 | Fresh frozen plasma transfusion does not affect outcomes following hepatic resection for hepatocellular carcinoma显示文摘AIM:To investigate whether fresh frozen plasma (FFP) transfusion affects outcomes following hepatic resection for hepatocellular carcinoma (HCC) in terms of liver function,postoperative complications and cancer prognosis.METHODS:We retrospectively compared the incidence of postoperative complications between 204 patients who underwent hepatectomy for HCC with routine FFP transfusion in an early period (1983-1993,Group A) and 293 with necessity for FFP transfusion during a later period (1998-2006,Group B),and also between two subgroups of Group B [22 patients with FFP transfusion (Group B1) and 275 patients without FFP transfusion (Group B2)].Additionally,only in limited patients in Group B1 and Group B2 with intraoperative blood loss≥ 2000 mL (Group B1 ≥ 2000 mL and Group B2 ≥ 2000 mL),postoperative complications,liver function tests,and cancer prognosis were compared.RESULTS:No mortality was registered in Group B,compared to 8 patients (3.9%) of Group A.The incidence of morbidity in Group B2 [23.2% (64/275)] was not significantly different from Group B1 [40.9% (9/22)] and Group A [27.0% (55/204)].The incidence of complications and postoperative liver function tests were comparable between Group B1 ≥ 2000 mL vs Group B2 ≥ 2000 mL.Postoperative prognosis did not correlate with administration of FFP,but with tumor-related factors.CONCLUSION:The outcome of hepatectomy for HCC is not influenced by FFP transfusion.We suggest FFP transfusion be abandoned in patients who undergo hepatectomy for HCC. | Yoshito Tomimaru Hiroshi Wada Shigeru Marubashi Shogo Kobayashi Hidetoshi Eguchi Yutaka Takeda Masahiro Tanemura Takehiro Noda Koji Umeshita Yuichiro Doki Masaki Mori Hiroak Nagano | 2010 | World Journal of Gastroenterology2010，16，44： | 5 |
| 7 | Long‐term entecavir treatment reduces hepatocellular carcinoma incidence in patients with hepatitis B virus infection显示文摘 | Tetsuya Hosaka Fumitaka Suzuki Masahiro Kobayashi Yuya Seko Yusuke Kawamura Hitomi Sezaki Norio Akuta Yoshiyuki Suzuki Satoshi Saitoh Yasuji Arase Kenji Ikeda Mariko Kobayashi Hiromitsu Kumada | 2013 | Hepatology2013，，： | 5 |
| 8 | Long-term continuous entecavir therapy in nucleos(t)ide-na?ve chronic hepatitis B patients显示文摘 | Atsushi Ono Fumitaka Suzuki Yusuke Kawamura Hitomi Sezaki Tetsuya Hosaka Norio Akuta Masahiro Kobayashi Yoshiyuki Suzuki Satoshi Saitou Yasuji Arase Kenji Ikeda Mariko Kobayashi Sachiyo Watahiki Rie Mineta Hiromitsu Kumada | 2012 | Journal of Hepatology2012，，3： | 3 |
| 9 | Circulating microRNA-21 as a novel biomarker for hepatocellular carcinoma显示文摘 | Yoshito Tomimaru Hidetoshi Eguchi Hiroaki Nagano Hiroshi Wada Shogo Kobayashi Shigeru Marubashi Masahiro Tanemura Akira Tomokuni Ichiro Takemasa Koji Umeshita Tatsuya Kanto Yuichiro Doki Masaki Mori | 2011 | Journal of Hepatology2011，，1： | 3 |
| 10 | Combining Clinical, Pathology, and Gene Expression Data to Predict Recurrence of Hepatocellular Carcinoma显示文摘 | Augusto Villanueva Yujin Hoshida Carlo Battiston Victoria Tovar Daniela Sia Clara Alsinet Helena Cornella Arthur Liberzon Masahiro Kobayashi Hiromitsu Kumada Swan N. Thung Jordi Bruix Philippa Newell Craig April Jian–Bing Fan Sasan Roayaie Vincenzo Mazzaf | 2011 | Gastroenterology2011，，5： | 3 |
| 11 | Equivalent Outcomes After Anatomical and Non-anatomical Resection of Small Hepatocellular Carcinoma in Patients with Preserved Liver Function显示文摘 | Yoshito Tomimaru Hidetoshi Eguchi Shigeru Marubashi Hiroshi Wada Shogo Kobayashi Masahiro Tanemura Koji Umeshita Yuichiro Doki Masaki Mori Hiroaki Nagano | 2012 | Digestive Diseases and Sciences2012，，7： | 2 |
| 12 | Gastrointestinal stromal tumor presenting with prominent calcification显示文摘We present a rare case of a gastrointestinal stromal tumor (GIST) in the stomach with prominent calcifica-tion at presentation. A 61-year-old woman visited our hospital because of epigastric discomfort. A spherical calcified lesion with a diameter of about 30 mm was incidentally shown in the left upper quadrant on an abdominal X-ray. Computed tomography demonstrated that the tumor was growing from the upper gastric body, with calcification in the peripheral ring area. A laparoscopic partial gastrectomy was performed, and the resected specimen revealed a well-circumscribed tumor with exophytic growth from the gastric muscularis propria. Microscopic examination revealed spindle- shaped tumor cells with calcification and hemorrhage. Additionally, positive immunoreactivity of the tumor to KIT and CD34 and a low mitotic index resulted in the diagnosis of very low risk GIST. There are a few case reports of heavily calcified GIST, although solitary or punctate calcification of primary GIST has been reported in several case series. Dystrophic calcification of necrotic or degenerative tissue is the supposed cause of primary calcified GISTs. In contrast, appearance of calcification after administration of imatinib mesylate, which may be one indicator of disease response, is possibly caused by a different mechanism. | Naoki Izawa Takeshi Sawada Ryuichi Abiko Daisuke Kumon Mami Hirakawa Mika Kobayashi Nobuyuki Obinata Masahito Nomoto Tadateru Maehata Shun-ichi Yamauchi Takefumi Kouro Takashi Tsuda Satoshi Kitajima Hiroshi Yasuda Keiichi Tanaka Ichiro Tanaka Masahiro Hoshikawa Masayuki Takagi Fumio Itoh | 2012 | World Journal of Gastroenterology2012，18，39： | 2 |
| 13 | Effect of type 2 diabetes on risk for malignancies includes hepatocellular carcinoma in chronic hepatitis C显示文摘 | Yasuji Arase Mariko Kobayashi Fumitaka Suzuki Yoshiyuki Suzuki Yusuke Kawamura Norio Akuta Masahiro Kobayashi Hitomi Sezaki Satoshi Saito Tetsuya Hosaka Kenji Ikeda Hiromitsu Kumada Tetsuro Kobayashi | 2013 | Hepatology2013，，3： | 2 |
| 14 | Poor Response to Pegylated Interferon and Ribavirin in Older Women Infected with Hepatitis C Virus of Genotype 1b in High Viral Loads显示文摘 | Hitomi Sezaki Fumitaka Suzuki Yusuke Kawamura Hiromi Yatsuji Tetsuya Hosaka Norio Akuta Masahiro Kobayashi Yoshiyuki Suzuki Satoshi Saitoh Yasuji Arase Kenji Ikeda Yuzo Miyakawa Hiromitsu Kumada | 2009 | Digestive Diseases and Sciences2009，，6： | 2 |
| 15 | Prognostic factors related to add-on dendritic cell vaccines on patients with inoperable pancreatic cancer receiving chemotherapy: a multicenter analysis显示文摘 | Masanori Kobayashi Shigetaka Shimodaira Kazuhiro Nagai Masahiro Ogasawara Hidenori Takahashi Hirofumi Abe Mitsugu Tanii Masato Okamoto Sun-ichi Tsujitani Seiichi Yusa Takefumi Ishidao Junji Kishimoto Yuta Shibamoto Masaki Nagaya Yoshikazu Yonemitsu | 2014 | Cancer Immunology, Immunotherapy2014，，： | 2 |
| 16 | Association of two polymorphisms of the IL28B gene with viral factors and treatment response in 1,518 patients infected with hepatitis C virus显示文摘 | Mariko Kobayashi Fumitaka Suzuki Norio Akuta Hitomi Sezaki Yoshiyuki Suzuki Tetsuya Hosaka Yusuke Kawamura Masahiro Kobayashi Satoshi Saitoh Yasuji Arase Kenji Ikeda Kazuaki Chayama Yuzo Miyakawa Hiromitsu Kumada | 2012 | Journal of Gastroenterology2012，，5： | 2 |
| 17 | Comparison of Perioperative and Long-term Outcomes of Total and Proximal Gastrectomy for Early Gastric Cancer: A Multi-institutional Retrospective Study显示文摘 | Toru Masuzawa Shuji Takiguchi Motohiro Hirao Hiroshi Imamura Yutaka Kimura Junya Fujita Isao Miyashiro Shigeyuki Tamura Masahiro Hiratsuka Kenji Kobayashi Yoshiyuki Fujiwara Masaki Mori Yuichiro Doki | 2014 | World Journal of Surgery2014，，5： | 2 |
| 18 | Selection of a virus strain resistant to entecavir in a nucleoside-naive patient with hepatitis B of genotype H显示文摘 | Fumitaka Suzuki Norio Akuta Yoshiyuki Suzuki Hiromi Yatsuji Hitomi Sezaki Yasuji Arase Yusuke Kawamura Tetsuya Hosaka Masahiro Kobayashi Kenji Ikeda Mariko Kobayashi Sachiyo Watahiki Hiromitsu Kumada | 2007 | Journal of Clinical Virology2007，，2： | 2 |
| 19 | Stereotactic body radiation therapy combined with transcatheter arterial chemoembolization for small hepatocellular carcinoma显示文摘 | Yohji Honda Tomoki Kimura Hiroshi Aikata Tomoki Kobayashi Takayuki Fukuhara Keiichi Masaki Takashi Nakahara Noriaki Naeshiro Atsushi Ono Daisuke Miyaki Yuko Nagaoki Tomokazu Kawaoka Shintaro Takaki Akira Hiramatsu Masaki Ishikawa Hideaki Kakizawa Masahiro | 2013 | J Gastroenterol Hepatol2013，，3： | 2 |
| 20 | Prevalence of hepatitis C virus variants resistant to NS3 protease inhibitors or the NS5A inhibitor (BMS-790052) in hepatitis patients with genotype 1b显示文摘 | Fumitaka Suzuki Hitomi Sezaki Norio Akuta Yoshiyuki Suzuki Yuya Seko Yusuke Kawamura Tetsuya Hosaka Masahiro Kobayashi Satoshi Saito Yasuji Arase Kenji Ikeda Mariko Kobayashi Rie Mineta Sachiyo Watahiki Yuzo Miyakawa Hiromitsu Kumada | 2012 | Journal of Clinical Virology2012，，4： | 2 |
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