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A Sandwich Technique Employing Right Ventricular Incision to Repair Posterior Ventricular Septal Rupture with Right Ventricular Wall Dissection: A Case Report

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World Journal of Cardiovascular Surgery 2023年第10期13卷 145-153页

作者： Daichi Sakurahara Koji Furukawa Hirohito Ishii Shuhei Sakaguchi katsuya Kawagoe Tomoaki Taniguchi Risa Meiri Department of Cardiovascular Surgery Faculty of Medicine University of Miyazaki Miyazaki Japan

Background: Ventricular septal rupture (VSR) leading to right ventricular (RV) wall dissection is an extremely rare and life-threatening complication of inferior myocardial infarction (MI) with posterior VSR. Its rare incidence and complex pathology make it difficult to select the appropriate surgical procedures to prevent fatalities. Case Presentation: A 68-year-old woman was transferred to our hospital because of a post-infarction VSR 12 days after symptom onset. Short-axis image obtained using transthoracic echocardiography demonstrated a large posterior VSR. Moreover, the VSR was continuous, with a large echo-free space in the posterior wall of the right ventricle. Color echocardiography showed blood flowing into the echo-free space through the septal defect and blood flowing out into the RV lumen. Coronary angiography revealed complete occlusion of the second segment of the right coronary artery. Thus, dissection of the posterior wall of the right ventricle that continued into the RV lumen was considered to have been caused by the posterior VSR caused by an inferior MI. The patient underwent urgent surgery to repair the VSR using the sandwich double-patch technique by making a posterior RV incision that was repaired using a third patch. No additional procedure was required to block the flow from the cavity of the RV wall dissection into the RV lumen. Postoperative echocardiography and contrast-enhanced computed tomography demonstrated that the VSR was closed securely and the RV wall dissection was almost completely thrombosed. Conclusion: In this case, a patient with a posterior VSR and RV wall dissection was successfully treated using the sandwich double-patch technique with a posterior RV incision. No additional procedure may be needed for RV wall dissection when a secure VSR repair is complete;however, close follow-up is essential to improve the long-term prognosis.

关键词： Ventricular Septal Rupture Right Ventricular Wall Dissection Surgery Sandwich Technique Right Ventricular Incision

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Short-Time Preparation of NaOH-Activated Carbon from Sugar Cane Bagasse Using Microwave Plasma Heating

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Green and Sustainable Chemistry 2017年第4期7卷 259-269页

作者： katsuya Konno Yusuke Oike Yasutaka Ohba Osamu Sasaki Yasuyuki Takiguchi Kaoru Onoe Tatsuaki Yamaguchi Department of Life and Environmental Sciences Faculty of Engineering Chiba Institute of Technology Chiba Japan (Present Address) Hitachi Automotive Systems Ltd. Advanced Development Centre Kawasaki Japan

The microwave induced argon plasma was applied to the preparation of NaOH-activated carbon from sugar cane bagasse. The distinguished feature of the heating technique with this cold plasma is the short operation time. The carbonization and the activation process were finalized in one step within 3 min. The prepared activated carbon with NaOH ratio 3 to bagasse characterized using N2 adsorption of type IV (IUPAC classification) to give specific surface area of 1980 m2/g and mesopore volume of 0.73 ml/g. It also showed a higher specific capacitance of 201 F/g in 1 M H2SO4 solution (with standard three electrodes) than the corresponding one by the conventional heating, previously reported. The other features were the absence of oxygen groups and the presence of carbon centered stable radicals, detected by ESR spectra, on the surface.

关键词： Bagasse Plasma Heating NaOH Activated Carbon EDLC Free Radical

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Factors Affecting Japanese HPV-Vaccination: Findings from the Semi-Structured Interviews with Adolescent Girls and Caregivers

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Health 2014年第13期6卷 1602-1615页

作者： Rie Wakimizu Kaori Nishigaki Hiroshi Fujioka Koji Maehara Haruo Kuroki Tadashi Saito katsuya Uduki Faculty of Medicine University of Tsukuba Tsukuba Japan Investigative Commission of Qualitative Study Society of Ambulatory and General Pediatrics of Japan Tokyo Japan

The objective of the present study was to qualitatively assess the obstructive and facilitative factors affecting adolescent girls and their caregivers when the adolescent had received or was considering receiving the Human Papilloma Virus (HPV) vaccination. Using these data, we propose recommendations for medical and nursing staff concerned with HPV vaccination. Participants were 20 adolescent girls (aged 10 - 19 years) and their caregivers, who had visited any of the 3 pediatric clinics in the Tokyo metropolitan area during a specified period since HPV vaccination began in Japan. The girls and their caregivers were separately interviewed by 2 child and/or family nursing care specialists with a semi-structured interview. The responses were qualitatively analyzed by 2 specialists, and the obstructive and facilitative factors affecting participants’ decision to receive HPV vaccination were extracted from the responses. Among the 20 sets of participants, 7 adolescents had completed HPV vaccination, 9 were going to receive vaccination, and 4 had not received any vaccination. The obstructive/facilitative factors related to considering or receiving HPV vaccination and actual vaccination were extracted and 4 main categories of factors were identified. Facilitators toward HPV-vaccination of daughters included clear future self-image and visions, fear Cervical Cancer (CC) and desire to escape from CC, having discussion with mothers about HPV-vaccination and CC, and to have a boyfriend. Barriers toward vaccination included the mothers’ reluctance to explain the sexual matters about HPV-vaccination to their daughters and difficulty with find the appropriate clinic or hospital to HPV-vaccination. Relevant factors about vaccination included positive family attitudes toward vaccination, having family system allowing consultation and having a public financial support for vaccination for daughters. Our conceptual model adapted from the Katz, et al. conceptual framework integrated

关键词： Adolescents Caregivers HPV Vaccination Japan Qualitative Study Semi-Structured Interview

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Left Ventricular Reconstruction and Mitral Valve Annuloplasty Combined with Papillary Muscle Relocation for Severe Ischemic Mitral Regurgitation

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World Journal of Cardiovascular Surgery 2017年第12期7卷 150-155页

作者： Koji Furukawa Mitsuhiro Yano Eisaku Nakamura Masakazu Matsuyama Masanori Nishimura katsuya Kawagoe Kunihide Nakamura Department of Cardiovascular Surgery Miyazaki Medical Association Hospital Miyazaki Japan Department of Cardiovascular Surgery Faculty of Medicine University of Miyazaki Miyazaki Japan

A 46-year-old man was referred to our hospital due to severe ischemic mitral regurgitation with severe bileaflet tethering and a dilated left ventricle. We performed left ventricular reconstruction and mitral valve annuloplasty combined with papillary muscle relocation. Although left ventricular continued remodeling occurred during follow-up, left ventricular reconstruction and mitral valve annuloplasty combined with papillary muscle relocation provided durable mitral repair, and his functional status was good. Thus, this combined surgical treatment may reduce mitral regurgitation recurrence after mitral valve annuloplasty.

关键词： Ischemic Mitral Regurgitation Left Ventricular Reconstruction Mitral Valve Annuloplasty Papillary Muscle Relocation

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ADSORPTION BEHAVIORS OF 2-CHLOROPHENOL USING CHARCOAL AND ACTIVATED CARBON PREPARED FROM BAMBOO

ADSORPTION BEHAVIORS OF 2-CHLOROPHENOL USING CHARCOAL AND AC...

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第二届中日化工学术研讨会

作者： KAORU OHE DAIGOROU SASAKI katsuya KAIKAKE SHIGEO NAKAMURA YOSHINARI BABA Department of Applied Chemistry Miyazaki Universitiy Miyazaki 889-2192 Japan Department of Applied Chemistry Miyazaki Universitiy Miyazaki 889-2192 Japan Department of Applied Chemistry Miyazaki Universitiy Miyazaki 889-2192 Japan Department of Applied Chemistry Miyazaki Universitiy Miyazaki 889-2192 Japan Department of Applied Chemistry Miyazaki Universitiy Miyazaki 889-2192 Japan

＜正＞ Adsorption behaviors were investigated for 2-chlorophenol, one of the precursors of dioxin, on charcoal （CB） and activated carbon （ACB） prepared from bamboo, and activated carbon （AC） prepared from coconut shell. The adsorption percent on all adsorbents showed more than 90% in the region of pH 2-7. CB showed decrease of adsorption percentage in the region of more than pH 7, indicating that the electrostatic repulsion causes between carboxylate ion on surface of CB and 2-chlorophenol dissociated in the region of high pH. The adsorptions of 2-chlorophenol on CB, ACB and AC were represented by the Langmuir adsorption isotherm and their adsorption capacities were 0. 30, 1. 53 and 3. 66 mmol/g, respectively. This result was the same as the order of their specific surface areas. 2-Chlorophenol adsorbed on adsorbents was easily desorbed by methanol.

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Preparation of Fe-Al Binary System Intermetallic Compounds by Multi-Layered Roll-Bonding

Preparation of Fe-Al Binary System Intermetallic Compounds b...

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14～(th) Congress of International Federation for Heat Treament and Surface Engineering

作者： Akio Nishimoto katsuya Akamatsu Kazuyoshi Nakao Kazuo Ichii Tomohiro Hiraki Department of Materials Science and Engineering Kansai UniversityOsakaJapan Department of Materials Science and Engineering Kansai UniversityOsakaJapan Department of Materials Science and Engineering Kansai UniversityOsakaJapan Department of Materials Science and Engineering Kansai UniversityOsakaJapan Toho Zinc Co. Ltd.GunmaJapan

＜正＞ Iron aluminides exhibit good resistance to high-temperature sulfidizing and oxidizing environments and potential for structural applications at high temperatures under corrosive environments. In this study, Fe-Al intermetallic compound was prepared by multi-layered roll-bonding of elemental Fe and Al foils. The process consisted of the accumulative roll-bonding （ARB） for making a laminated Fe/Al sheet and the subsequent heat treatment promoting a solid phase reaction in the laminated Fe/Al sheet. The microstructures produced at each processing stage were characterized by optical microscopy and scanning electron microscopy （SEM） equipped with energy dispersive X-ray spectroscopy （EDS）. Vickers microhardness testing was used for hardness determination. A homogeneous intermetallic compound of Fe3Al or FeAl could be obtained after the subsequent heat treatment for 1.8 ks at 973 K and for 10.8 ks at 1123 or 1173 K.

关键词： iron aluminide intermetallic compound accumulative roll bonding interfacial reaction reactive diffusion

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Kirkendall空洞引起的铝丝—金层之间键合强度的退化

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微纳电子技术 1982年第4期 76-83页

作者： katsuya Okumura 丁奎章

研究了铝丝-镀金层系统的健合强度的退化。这种健合系统在高温贮存时,健合强度的退化为下列三种退化模式之一:(ⅰ)A模式—随热退火时间的增加,键合强度下降,直到某一确定值,(ⅱ)B模式—在一确定的退火时间以后,键合强度开始分成两个值,(... 详细信息

研究了铝丝-镀金层系统的健合强度的退化。这种健合系统在高温贮存时,健合强度的退化为下列三种退化模式之一:(ⅰ)A模式—随热退火时间的增加,键合强度下降,直到某一确定值,(ⅱ)B模式—在一确定的退火时间以后,键合强度开始分成两个值,(ⅲ)C模式—键合强度迅速降到零。在铝-金界面之间富金金属间化合物相处生成的Kirkendall空洞可圆满地解释这三种退化模式的物理机理,此时,富金金属间化合物相的生长速率对决定退化模式起着非常重要的作用。当金层含有大量的铅或铊时,这个生长速率减慢,退化是C模式或者是B模式。有时在金层中掺入银,能使键合强度的退化减弱。

关键词：键合强度生长速率 Kirkendall 金属间化合物金属互化物铝丝空洞

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日本京都府立医科大学疼痛与姑息医学科应用内脏神经阻滞术治疗上腹部癌痛的现状

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实用疼痛学杂志 2018年第1期14卷 9-13页

作者： Kiyohiko Hatano Toyoshi Hosokawa Keita fukazawa 姚军日本国京都府立医科大学疼痛与姑息治疗学科河北大学附属医院疼痛科保定市071000

目的本文报告在锥束CT下接受内脏神经阻滞术(SNB)治疗的上腹部恶性肿瘤疼痛患者24例的疼痛缓解效果,并讨论CT成像在两例患者中的应用.方法癌症相关的上腹部疼痛患者24例,从2015年6月起6个月内接受SNB治疗.分别对他们在治疗前和治疗后... 详细信息

目的本文报告在锥束CT下接受内脏神经阻滞术(SNB)治疗的上腹部恶性肿瘤疼痛患者24例的疼痛缓解效果,并讨论CT成像在两例患者中的应用.方法癌症相关的上腹部疼痛患者24例,从2015年6月起6个月内接受SNB治疗.分别对他们在治疗前和治疗后1周的疼痛数字评分量表(NRS)变化、阿片类药物使用剂量变化(等效剂量吗啡转换)及治疗引起的并发症发生率进行回顾性研究.SNB经T12～L1或L1-2椎间盘入路进行,应用阻力消失法将造影剂注入膈脚后间隙,并使用锥束CT以及透视法确认造影剂的扩散.神经阻滞剂使用99.5％脱水乙醇10～20 ml.结果受试者24例,男15例,女9例,平均年龄63.8岁.NRS从治疗前的5/10下降至治疗后1周的0.86/10(P＜0.01),阿片类药物使用剂量(等效剂量吗啡转换)从治疗前86.6 mg/d降至治疗后1周的58 mg/d(P＜0.01).仅观察到以下轻度不良反应:一过性低血压(8例)、恶心(5例)和腹泻(3例),未观察到严重不良反应.结论 SNB是治疗癌症诱发的腹部疼痛的有效方法,联合应用锥束CT可提高疼痛缓解效果.

关键词：内脏神经阻滞(SNB) 锥束CT (cone-beam CT)

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Concurrence of composite adrenal pheochromocytoma-ganglioneuroma and renal pelvic cancer: A case report

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Case Reports in Clinical Medicine 2013年第1期2卷 93-96页

作者： Kuniyasu Muraoka Masashi Honda Bunya Kawamoto Seiya Inoue katsuya Hikita Nobuyuki Hinata Atushi Takenaka Department of Surgery Related Division of Urology Kobe University Graduate School of Medicine Kobe Japan Department of Surgery Division of Urology Tottori University Faculty of Medicine Yonago Japan

Embryologically, chromaffin cells of the pheo-chromocytoma and ganglion cells of the ganglioneuroma are both derived from neural crest cells. Composite pheochromocytoma-ganglioneuroma (Pheo-GN) in a single adrenal gland is very rare. A case report of a patient with composite Pheo-GN of the adrenal gland and renal pelvic cancer is presented. Laparoscopic left adrenalectomy, nephroureterectomy and para-aortic lymphadenectomy were performed. This represents the first report of simultaneous surgical treatment for composite Pheo-GN and renal pelvic cancer.

关键词： Pheochromocytoma Ganglioneuroma Renal Pelvic Cancer

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Nitrogen Uptake from Amino Acids in Maize through Arbuscular Mycorrhizal Symbiosis

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American Journal of Plant Sciences 2013年第12期4卷 2290-2294页

作者： Atsushi Matsumura Shinji Taniguchi Kenji Yamawaki Rintaro Hattori Arata Tarui katsuya Yano Hiroyuki Daimon Graduate School of Bioagricultural Sciences Nagoya University Nagoya Japan Graduate School of Life and Environmental Sciences Osaka Prefecture University Osaka Japan

Maize plants are well colonized with arbuscular mycorrhizal fungi (AMF), which contribute mineral nutrients absorption from soil. However little is known about their role in nitrogen (N) absorption especially from amino acids, which reach a considerable quantity in soils. This experiment was conducted to investigate N acquisition from amino acids through AMF symbiosis. AMF inoculation clearly increased the N content of maize supplied with amino acids (Glu, Ala and Pro). Further study of xylem sap revealed that the composition of amino acids was changed by AMF inoculation. These results indicate that AMF contribute N from amino acids, and may affect the nitrogen assimilation of host plants.

关键词： Amino Acid Composition Ala Glu Pro Xylem Sap

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