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| 1 | Post-polypectomy bleeding and thromboembolism risks associated with warfarin vs direct oral anticoagulants显示文摘AIM To verify the validity of the endoscopy guidelines for patients taking warfarin or direct oral anticoagulants(DOAC).METHODS We collected data from 218 patients receiving oral anticoagulants(73 DOAC users, 145 warfarin users) and 218 patients not receiving any antithrombotics(age-and sexmatched controls) who underwent polypectomy.(1) We evaluated post-polypectomy bleeding(PPB) risk in patients receiving warfarin or DOAC compared with controls;(2) we assessed the risks of PPB and thromboembolism between three AC management methods: Discontinuing AC with heparin bridge(HPB)(endoscopy guideline recommendation), continuing AC, and discontinuing AC without HPB.RESULTS PPB rate was significantly higher in warfarin users and DOAC users compared with controls(13.7% and 13.7% vs 0.9%, P < 0.001), but was not significantly different between rivaroxaban(13.2%), dabigatran(11.1%), and apixaban(13.3%) users. Two thromboembolic events occurred in warfarin users, but none in DOAC users. Compared with the continuing anticoagulant group, the discontinuing anticoagulant with HPB group(guideline recommendation) had a higher PPB rate(10.8% vs 19.6%, P = 0.087). These findings were significantly evident in warfarin but not DOAC users. One thrombotic event occurred in the discontinuing anticoagulant with HPB group and the discontinuing anticoagulant without HPB group; none occurred in the continuing anticoagulant group.CONCLUSION PPB risk was similar between patients taking warfarin and DOAC. Thromboembolism was observed in warfarin users only. The guideline recommendations for HPB should be re-considered. | Naohiro Yanagisawa Naoyoshi Nagata Kazuhiro Watanabe Tatsuhiro Iida Mariko Hamada Sakurako Kobayashi Takuro Shimbo Junichi Akiyama Naomi Uemura | 2018 | World Journal of Gastroenterology2018，24，14： | 6 |
| 2 | Detection of fusion gene in cell-free DNA of a gastric synovial sarcoma显示文摘Synovial sarcoma(SS) is genetically characterized by chromosomal translocation, which generates SYT-SSX fusion transcripts. Although SS can occur in any body part, primary gastric SS is substantially rare. Here we describe a detection of the fusion gene sequence of gastric SS in plasma cell-free DNA(cf DNA). A gastric submucosal tumor was detected in the stomach of a 27-year-old woman and diagnosed as SS. Candidate intronic primers were designed to detect the intronic fusion breakpoint and this fusion sequence was confirmed in intron 10 of SYT and intron 5 of SSX2 by genomic polymerase chain reaction(PCR) and direct sequencing. A locked nucleic acid(LNA) probe specificto the fusion sequence was designed for detecting the fusion sequence in plasma and the fusion sequence was detected in preoperative plasma cfD NA, while not detected in postoperative plasma cfD NA. This technique will be useful for monitoring translocation-derived diseases such as SS. | Shinpei Ogino Hirotaka Konishi Daisuke Ichikawa Junichi Hamada Katsutoshi Shoda Tomohiro Arita Shuhei Komatsu Atsushi Shiozaki Kazuma Okamoto Sanae Yamazaki Satoru Yasukawa Eiichi Konishi Eigo Otsuji | 2018 | World Journal of Gastroenterology2018，24，8： | 5 |
| 3 | The effects of initial solidified structure on ridging phenomenon and texture in 430 FSS sheets显示文摘 | Hamada Junichi | 2003 | ISIJ International2003，43，12： | 1 |
| 4 | Progressive carotid artery stenosis with a novel tRNA phenylalanine mitochondrial DNA mutation显示文摘 | Takahiro Iizuka Yu-ichi Goto Saori Miyakawa Mayumi Sato Zhaoxia Wang Kosuke Suzuki Junichi Hamada Akira Kurata Fumihiko Sakai | 2008 | Journal of the Neurological Sciences2008，，： | 1 |
| 5 | Aggressive surgery for liver metastases from gastrointestinal stromal tumors显示文摘 | Yasuo Shima Tadashi Horimi Tadanori Ishikawa Junichi Ichikawa Takahiro Okabayashi Yutaka Nishioka Madoka Hamada Yuichi Shibuya Tatsuhiro Ishii Mitsuya Ito | 2003 | Journal of Hepato - Biliary - Pancreatic Surgery2003，，1： | 1 |
| 6 | Diagnostic value of endothelial markers and HHV-8 staining in gastrointestinal Kaposi sarcoma and its difference in endoscopic tumor staging显示文摘AIM: To clarify the diagnostic values of hematoxylin and eosin (HE), D2-40, CD31, CD34, and HHV-8 immunohistochemical (IHC) staining in gastrointestinal Kaposi's sarcoma (GI-KS) in relation to endoscopic tumor staging. METHODS: Biopsy samples (n = 133) from 41 human immunodeficiency virus-infected patients were reviewed. GI-KS was defined as histologically negative for other GI diseases and as a positive clinical response to KS therapy. The receiver operating characteristic area under the curve (ROC-AUC) was compared in relation to lesion size, GI location, and macroscopic appearances on endoscopy. RESULTS: GI-KS was confirmed in 84 lesions (81.6%). Other endoscopic findings were polyps (n = 9), inflammation (n = 4), malignant lymphoma (n = 4), and condyloma (n = 2), which mimicked GI-KS on endoscopy. ROC-AUC of HE, D2-40, blood vessel markers, and HHV-8 showed results of 0.83, 0.89, 0.80, and 0.82, respectively. For IHC staining, the ROC-AUC of D2-40 was significantly higher (P < 0.05) than that of HE staining only. In the analysis of endoscopic appearance, the ROC-AUC of HE and IHC showed a tendency toward an increase in tumor staging (e.g. , small to large, patches, and polypoid to SMT appearance). D2-40 was significantly (P < 0.05) advantageous in the upper GI tract and for polypoid appearance compared with HE staining. CONCLUSION: The diagnostic value of endothelial markers and HHV-8 staining was found to be high, and its accuracy tended to increase with endoscopic tumor staging. D2-40 will be useful for complementing HE staining in the diagnosis of GI-KS, especially in the upper GI tract and for polypoid appearance. | Naoyoshi Nagata Toru Igari Takuro Shimbo Katsunori Sekine Junichi Akiyama Yohei Hamada Hirohisa Yazaki Norio Ohmagari Katsuji Teruya Shinichi Oka Naomi Uemura | 2013 | World Journal of Gastroenterology2013，19，23： | 0 |
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