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| 1 | Is endoscopic papillary large balloon dilatation without endoscopic sphincterotomy effective?显示文摘AIM: To evaluate the safety and efficacy of endoscopic papillary large balloon dilatation(EPLBD) without endoscopic sphincterotomy in a prospective study.METHODS: From July 2011 to August 2013, we performed EPLBD on 41 patients with nae papillae prospectively. For sphincteroplasty of EPLBD,endoscopic sphincterotomy(EST) was not performed,and balloon diameter selection was based on the distal common bile duct diameter. The balloon was inflated to the desired pressure. If the balloon waist did not disappear, and the desired pressure was satisfied, we judged the dilatation as complete. We used a retrieval balloon catheter or mechanical lithotripter(ML) to remove stones and assessed the rates of complete stone removal, number of sessions, use of ML and adverse events. Furthermore, we compared the presence or absence of balloon waist disappearance with clinical characteristics and endoscopic outcome.RESULTS: The mean diameters of the distal and maximum common bile duct were 13.5 ± 2.4 mm and16.4 ± 3.1 mm, respectively. The mean maximum transverse-diameter of the stones was 13.4 ± 3.4mm, and the mean number of stones was 3.0 ± 2.4.Complete stone removal was achieved in 97.5%(40/41)of cases, and ML was used in 12.2%(5/41) of cases.The mean number of sessions required was 1.2 ± 0.62.Pancreatitis developed in two patients and perforation in one. The rate of balloon waist disappearance was73.1%(30/41). No significant differences were noted in procedure time, rate of complete stone removal(100% vs 100%), number of sessions(1.1 vs 1.3, P= 0.22), application of ML(13% vs 9%, P = 0.71),or occurrence of pancreatitis(3.3% vs 9.1%, P =0.45) between cases with and without balloon waist disappearance.CONCLUSION: EST before sphincteroplasty may be unnecessary in EPLBD. Further investigations are needed to verify the relationship between the presence or absence of balloon waist disappearance. | Shigefumi Omuta Iruru Maetani Michihiro Saito Hiroaki Shigoka Katsushige Gon Junya Tokuhisa Mieko Naruki | 2015 | World Journal of Gastroenterology2015，21，23： | 5 |
| 2 | Complete primary structure of chicken cardiac C-protein (MyBP-C) and its expression in developing striated muscles显示文摘 | Mashiro Yasuda Sumito Koshida Naruki Sato Takashi Obinata | 1995 | Journal of Molecular and Cellular Cardiology1995，，10： | 1 |
| 3 | Dynamic Reorientation of Cultured Cells and Stress Fibers under Mechanical Stress from Periodic Stretching显示文摘 | Kimihide Hayakawa Naruki Sato Takashi Obinata | 2001 | Experimental Cell Research2001，，： | 1 |
| 4 | Vars lobectomy for lung cancer显示文摘 | Naruki T Tauchiya R Kondo H | 1999 | Asian Surg1999，22，1： | 1 |
| 5 | Note on effects of a daylong feeding enrichment program for Chimpanzees ( Pan troglodytes )显示文摘 | Naruki Morimura | 2006 | Applied Animal Behaviour Science2006，，1： | 1 |
| 6 | Newly designed J-shaped tip guidewire: A preliminary feasibility study in wire-guided cannulation显示文摘AIM: To perform wire-guided cannulation using a newly designed J-shaped tip guidewire, and to verify feasibility and safety for use. METHODS: The study was conducted on endoscopic retrograde cholangiopancreatography (ERCP) patients with na ve papilla undergoing diagnosis and treatment of biliary diseases between September 2011 and July 2012. We performed ERCP in a succession of 50 cases with a J-shaped tip guidewire. The first insertion attempt began with a trainee who had 5 min to complete cannulation, followed if necessary by the trainer for another 5 min. We assessed the primary success rate of selective biliary cannulation within 10 min and adverse events such as post-ERCP pancreatitis (PEP), bleeding or perforation.RESULTS: The primary success rate was 90% (45/50) within 10 min, the initial success rate within 5 min by trainee staff was 76% (38/50). The rate of PEP was 6% (3/50), but all 3 cases were mild pancreatitis. All patients were managed successfully with conservative treatment. There was no bleeding or perforation. CONCLUSION: A newly designed J-shaped tip guidewire has the possibility to facilitate selective biliary cannulation for ERCP and appears to be safe. | Shigefumi Omuta Iruru Maetani Hiroaki Shigoka Katsushige Gon Michihiro Saito Junya Tokuhisa Mieko Naruki | 2013 | World Journal of Gastroenterology2013，19，28： | 1 |
| 7 | Effects of a Perimeter on the Post-failure Behavior of Fiber-reinforced Polymer Composite Lattices显示文摘The post-failure behavior of a fiber-reinforced polymer composite lattice was experimentally studied using a beam structure.Anisotropic topology optimization was conducted to maximize the structural stiffness and partial latticing to improve toughness.Subsequently,an infill structure was generated from the optimized results using a phase field approach.The perimeter of the two-dimensional beam structure was generated from a binary solution of the optimized results.Optimized composite lattice structures were obtained using three-dimensional printing.Three-point bending tests demonstrated that the perimeter enhanced the toughness of the composite lattice.The perimeter prevented shear band failure and improved the load-carrying capability,even after maximum loading. | Naruki Ichihara Masahito Ueda Akira Todoroki | 2023 | Chinese Journal of Mechanical Engineering(Additive Manufacturing Frontiers)2023，2，2： | 0 |
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