Search Results - "KOYAMA, YUJI"

Microscopic origin of thermal droop in blue-emitting InGaN/GaN quantum wells studied by temperature-dependent microphotoluminescence spectroscopy by Ishii, Ryota, Koyama, Yuji, Funato, Mitsuru, Kawakami, Yoichi

“…To elucidate the microscopic origin of the thermal droop, a blue-emitting indium gallium nitride (InGaN) quantum well grown on epitaxially laterally overgrown…”
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A single‐sided trans‐nasal catheter for smooth and efficient oxygen delivery can improve the safety in patients undergoing pancreato‐biliary endoscopy under intravenous sedation: A randomized trial by Ishii, Ken, Kubota, Kensuke, Nakao, Tomomi, Koyama, Yuji, Fujita, Yuji, Akaba, Kuniaki, Matsuhashi, Nobuyuki, Nakajima, Atsushi

“…Background Pancreato‐biliary endoscopic procedures often need to be performed under deep intravenous sedation. The patients are at an increased risk of…”
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Clinical outcomes of permanent stenting with endoscopic ultrasound gallbladder drainage by Suzuki, Eisuke, Fujita, Yuji, Hosono, Kunihiro, Koyama, Yuji, Tsujino, Seitaro, Teratani, Takuma, Nakajima, Atsushi, Matsuhashi, Nobuyuki

“…Endoscopic ultrasound gallbladder drainage (EUS-GBD) is gaining attention as a treatment method for cholecystitis. However, only a few studies have assessed…”
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A case of MuSK antibody‐positive myasthenia gravis patient mimicking amyotrophic lateral sclerosis with four videofluoroscopic examinations by Kasahara, Takashi, Ikeda, Saori, Koyama, Yuji, Toyokura, Minoru, Masakado, Yoshihisa

“…Anti‐muscle‐specific tyrosine kinase (MuSK) antibody‐positive myasthenia gravis (MG) patients sometimes present with bulbar symptoms such as tongue atrophy,…”
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The Relationship Between Coronary Plaque Characteristics and Small Embolic Particles During Coronary Stent Implantation by Kawamoto, Takahiro, MD, PhD, Okura, Hiroyuki, MD, PhD, Koyama, Yuji, MD, PhD, Toda, Iku, MD, PhD, Taguchi, Haruyuki, MD, PhD, Tamita, Koichi, MD, Yamamuro, Atsushi, MD, Yoshimura, Yuki, MD, Neishi, Yoji, MD, PhD, Toyota, Eiji, MD, PhD, Yoshida, Kiyoshi, MD, PhD, FACC

“…The Relationship Between Coronary Plaque Characteristics and Small Embolic Particles During Coronary Stent Implantation Takahiro Kawamoto, Hiroyuki Okura, Yuji…”
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Premotor potential study in carpal tunnel syndrome by Kodama, Mitsuhiko, Sasao, Yu, Tochikura, Michi, Kasahara, Takashi, Koyama, Yuji, Aono, Koji, Fujii, Chieko, Hanayama, Kozo, Takahashi, Osamu, Kobayashi, Yuka, Masakado, Yoshihisa

“…Introduction: Premotor potentials (PMPs) precede compound muscle action potentials evoked from the second lumbrical muscle after median nerve stimulation…”
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Effects of intra-aortic balloon counterpulsation on coronary pressure in patients with stenotic coronary arteries by Yoshitani, Hidetoshi, MD, Akasaka, Takashi, MD, Kaji, Shuichiro, MD, Kawamoto, Takahiro, MD, Kume, Teruyoshi, MD, Neishi, Yoji, MD, Koyama, Yuji, MD, Yoshida, Kiyoshi, MD

“…Background The benefits of intra-aortic balloon pumping (IABP) usage reportedly occur through systolic unloading of the left ventricle and the augmentation of…”
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Assessment of regional myocardial strain by a novel automated tracking system from digital image files by Toyoda, Tomohiko, Baba, Hirotaka, Akasaka, Takashi, Akiyama, Maki, Neishi, Yoji, Tomita, Junko, Sukmawan, Renan, Koyama, Yuji, Watanabe, Nozomi, Tamano, Satoshi, Shinomura, Ryuichi, Komuro, Issei, Yoshida, Kiyoshi

“…Myocardial strain imaging by Doppler tissue echocardiography is a useful method to quantify regional left ventricular function. However, this method has a…”
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Successful treatment of postoperative intrahepatic stones with direct peroral cholangioscopy and mother–baby system cholangioscopy by Uechi, Hiroki, Fujita, Yuji, Koyama, Yuji

“…Watch a video of this article…”
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Formation processes and properties of Schottky and ohmic contacts on n-type GaN for field effect transistor applications by Koyama, Yuji, Hashizume, Tamotsu, Hasegawa, Hideki

“…In view of applications to FETs, an attempt was made to characterize and optimize vacuum deposition-based formation processes of Schottky and ohmic contacts on…”
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Successful Treatment with the Chin-down Maneuver of Dysphagia Secondary to Descending Necrotizing Mediastinitis: A Case Study by Koyama, Yuji, Isaji, Yuri, Sugimoto, Ayaka, Tochikura, Michi, Kasahara, Takashi, Toyokura, Minoru, Masakado, Yoshihisa

“…Background: Descending necrotizing mediastinitis is a potentially fatal polymicrobial infection that often leads to dysphagia after treatment. Such dysphagia…”
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Properties of Metal-Semiconductor Interfaces Formed on n-Type GaN by Hasegawa, Hideki, Koyama, Yuji, Hashizume, Tamotsu

“…Properties of metal/GaN Schottky diodes formed by the conventional vacuum deposition process and a novel in situ electrochemical process are investigated by…”
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Bedside diagnosis of silent aspiration using mobile dynamic digital radiography: a preliminary study by Koyama, Yuji, R.A., Yukuo Morohoshi, SLP, Tetsuji Ohta, Toyokura, Minoru, Mizuno, Katsuhiro, Masakado, Yoshihisa

“…Purpose This study aimed to assess reliable options for bedside diagnosis of silent aspiration in the intensive care unit by examining the use of default…”
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Endoscopic papillectomy could be rewarding to patients with early stage duodenal ampullary carcinoma? by Suzuki, Ko, Kurita, Yusuke, Kubota, Kensuke, Fujita, Yuji, Tsujino, Seitaro, Koyama, Yuji, Tsujikawa, Shintaro, Tamura, Shigeki, Yagi, Shin, Hasegawa, Sho, Sato, Takamitsu, Hosono, Kunihiro, Kobayashi, Noritoshi, Iwashita, Hiromichi, Yamanaka, Shoji, Fujii, Satoshi, Endo, Itaru, Nakajima, Atsushi

“…Background/Purpose There is currently no consensus on the use of endoscopic papillectomy (EP) for early stage duodenal ampullary adenocarcinoma. This study…”
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Assessment of coronary flowreserve by coronary pressure measurement by Akasaka, Takashi, Yamamuro, Atsushi, Kamiyama, Norio, Koyama, Yuji, Akiyama, Maki, Watanabe, Nozomi, Neishi, Yoji, Takagi, Tsutomu, Shalman, Evgeny, Barak, Chen, Yoshida, Kiyoshi

“…This study sought to assess the reliability of pressure-derived coronary flow reserve (CFR) compared with flow- or velocity-derived CFR. Coronary flow reserve…”
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Effect of antagonistic voluntary contraction on motor responses in the forearm by IZUMI, S.-I, KOYAMA, Y, FURUKAWA, T, ISHIDA, A

“…We investigated the effects of voluntary contraction of agonist and antagonist muscles on motor evoked potentials (MEP) and on myoelectric activities in the…”
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Relationship between coronary flow reserve and recovery of regional left ventricular function in patients with tako-tsubo-like transient left ventricular dysfunction by Kume, Teruyoshi, Akasaka, Takashi, Kawamoto, Takahiro, Watanabe, Nozomi, Yoshitani, Hidetoshi, Akiyama, Maki, Koyama, Yuji, Neishi, Yoji, Tsukiji, Miwako, Yoshida, Kiyoshi

“…This study assessed the relationship between coronary flow reserve and functional recovery of left ventricular wall motion in patients with tako-tsubo-like…”
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Decreased Left Atrial Appendage Flow Velocity With Atrial Fibrillation Caused by Negative Inotropic Agents: Report of 2 Cases by Kamiyama, Norio, Koyama, Yuji, Suetsuna, Ryouji, Saito, Yasuhiro, Kaji, Shuichiro, Akasaka, Takashi, Yoshida, Kiyoshi

“…Although pharmacological agents are frequently used to control ventricular rate or restore sinus rhythm of patients with atrial fibrillation (AF), there are no…”
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The Efficacy and Safety of EUS-Guided Gallbladder Drainage as a Bridge to Surgery for Patients with Acute Cholecystitis by Ishii, Ken, Fujita, Yuji, Suzuki, Eisuke, Koyama, Yuji, Tsujino, Seitaro, Nagao, Atsuki, Hosono, Kunihiro, Teratani, Takuma, Kubota, Kensuke, Nakajima, Atsushi

“…This study aimed to compare the efficacy and safety of endoscopic ultrasound-guided gallbladder drainage and percutaneous transhepatic gallbladder drainage as…”
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Simultaneous Systemic/Pulmonary Embolism Caused by Deep Vein Thrombosis by Okahashi, Noriko, Watanabe, Nozomi, Kawamoto, Takahiro, Koyama, Yuji, Wada, Nozomi, Yoshida, Kiyoshi

“…Paradoxical embolism may occur in patients with acute pulmonary thromboembolism when patent foramen ovale (PFO) coexists with pulmonary hypertension…”
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