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Review : Prenatal diagnosis of cardiac defect
( Mamoru Tanaka ),( Kei Miyakoshi ),( Kazuhiro Minegishi ),( Yasunori Yoshimura ) 대한산부인과학회 2010 Journal of Womens Medicine Vol.3 No.1
Fetal cardiac malformations are the most common congenital malformations with an incidence of 8:1000 among live births. Furthermore, 10% of neonatal deaths and up to 50% of infant deaths were attributed to congenital anomalies. In 2006 the International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) published practice guidelines for the sonographic screening of congenital heart disease (CHD) at some time between 18 and 22 weeks` gestation. Two levels for screening low-risk fetuses for heart anomalies are recommended. Firstly, a basic scan should be performed by analyzing a four-chamber view of the fetal heart. Secondly, an extended-basic scan further examines the size and relationships of both arterial outflow tracts. Obstetricians, midwives, and perinatalogists are able to evaluate a thorough examination of the four-chamber view, both arterial outflow tracts, three vessels and trachea view, and an assessment of pulmonary venous return. These anatomical features are usually evaluated using transverse views, although sagittal scanning planes are also used as necessary. Color Doppler ultrasonography is an important component of the fetal echocardiogram. Occasionally, advanced techniques such as Velocity Vector Imaging (VVI) may be required to evaluate fetal cardiac function using measurements of ventricular ejection fraction, stroke volume, and ventricular strain parameters. An accurate prenatal diagnosis of cardiac defects, especially ductal dependent anomaly, is extremely important for healthcare professionals who will be counseling parents about the nature, severity, clinical management and prognosis of their unborn child.
Grease matrix as a versatile carrier of proteins for serial crystallography
Sugahara, Michihiro,Mizohata, Eiichi,Nango, Eriko,Suzuki, Mamoru,Tanaka, Tomoyuki,Masuda, Tetsuya,Tanaka, Rie,Shimamura, Tatsuro,Tanaka, Yoshiki,Suno, Chiyo,Ihara, Kentaro,Pan, Dongqing,Kakinouchi, Ke Nature Publishing Group 2015 NATURE METHODS Vol. No.
Serial femtosecond X-ray crystallography (SFX) has revolutionized atomic-resolution structural investigation by expanding applicability to micrometer-sized protein crystals, even at room temperature, and by enabling dynamics studies. However, reliable crystal-carrying media for SFX are lacking. Here we introduce a grease-matrix carrier for protein microcrystals and obtain the structures of lysozyme, glucose isomerase, thaumatin and fatty acid–binding protein type 3 under ambient conditions at a resolution of or finer than 2 Å.
NEUTRON ELASTIC AND NON-ELASTIC SCATTERING STUDIES IN TENS OF MeV REGION
Mamoru, Baba,Masanobu Ibaraki,Takako, Miura,Takao, Aoki,Hiroshi, Nakashima,Shin-ichiro, Meigo Susumu Tanaka 대한방사선 방어학회 2001 방사선방어학회지 Vol.26 No.3
Experimental data have been obtained on the neutron elastic scattering cross sections for 55, 65 and 75 MeV neutrons, and non-elastic scattering cross sections for 40 to 80 MeV neutrons using the 7Li(p,n) neutron source at TIARA of Japan Atomic Energy Research Institute and the TOF method. Data were obtained for C, Si, Fe, Zr, and Pb of natural elements. Elastic scattering data were obtained for 25 laboratory angles between 2.6 and 53.0 that clarified the angular distributions and angle integrated values. The data obtained were compared favorabley with recent LA150 data library.
NEUTRON ELASTIC AND NON-ELASTIC SCATTERING STUDIES IN TENS OF MeV REGION
Baba Mamoru,Ibaraki Masanobu,Miura Takako,Aoki Takao,Nakashima Hiroshi,Tanaka Shin-ichiro Meigo Susumu Korean Association for Radiation Protection 2001 방사선방어학회지 Vol.26 No.3
Experimental data have been obtained on the neutron elastic scattering cross sections for 55, 65 and 75 MeV neutrons, and non-elastic scattering cross sections for 40 to 80 MeV neutrons using the $^7Li(p,n)$ neutron source at TIARA of Japan Atomic Energy Research Institute and the TOF method. Data were obtained for C, Si, Fe, Zr, and Pb of natural elements. Elastic scattering data were obtained for 25 laboratory angles between 2.6 and 53.0 that clarified the angular distributions and angle integrated values. The data obtained were compared favorably with recent LA150 data library.
Human-like Patient Robot with Chaotic Emotion for Injection Training
Yoshiro Kitagawa,Tomohito Ishikura,Wei Song,Yasushi Mae,Mamoru Minami,Kanji Tanaka 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
In this paper, we present a system of patient robot developed with the aim at improving abilities of nursing student’s medical treatment, such as injection to vein. We propose to realize variable emotion of patient robot by using chaosorbit of non-linear time-differentiation equation. To evaluate the effectiveness of the robot through actual injec-tion training, we measure heart beat rate of nurse student during the injection training, proving the effects of the robot’s similarity to human. To make the patient robot to be self-contained for the training, we propose a 3-D injector pose recognition method of patient robot to help that the robot be have autonomously along with the injection procedures of the nurse studens trainings.
Kumagai, Hideki,Yokoyama, Koji,Imagawa, Tomoyuki,Inoue, Shun,Tulyeu, Janyerkye,Tanaka, Mamoru,Yamagata, Takanori The Korean Society of Pediatric Gastroenterology 2016 Pediatric gastroenterology, hepatology & nutrition Vol.19 No.3
Fecal microbiota transplantation (FMT) is a treatment designed to correct gut dysbiosis by administration of feces from a healthy volunteer. It is still unclear whether FMT for children with ulcerative colitis (UC) is effective or hazardous. Here we describe a young patient to have received FMT for UC. A three-year-old girl was admitted to our hospital with severe active UC, and treated with aminosalicylates and various immunosuppressive drugs. As remission was not achieved, we decided to try FMT before colectomy. We administered donor fecal material a total of six times by retention enema (${\times}2$) and via a nasoduodenal tube (${\times}4$) within 10 days. The patient developed abdominal pain and pyrexia after each FMT session. Analyses revealed the transferred donor fecal microbiota had not been retained by the patient, who ultimately underwent colectomy. The severity of the UC and/or timing of FMT may have partly accounted for the poor outcome.
Hideki Kumagai,Koji Yokoyama,Tomoyuki Imagawa,Shun Inoue,Janyerkye Tulyeu,Mamoru Tanaka,Takanori Yamagata 대한소아소화기영양학회 2016 Pediatric gastroenterology, hepatology & nutrition Vol.19 No.3
Fecal microbiota transplantation (FMT) is a treatment designed to correct gut dysbiosis by administration of feces from a healthy volunteer. It is still unclear whether FMT for children with ulcerative colitis (UC) is effective or hazardous. Here we describe a young patient to have received FMT for UC. A three-year-old girl was admitted to our hospital with severe active UC, and treated with aminosalicylates and various immunosuppressive drugs. As remission was not achieved, we decided to try FMT before colectomy. We administered donor fecal material a total of six times by retention enema (×2) and via a nasoduodenal tube (×4) within 10 days. The patient developed abdominal pain and pyrexia after each FMT session. Analyses revealed the transferred donor fecal microbiota had not been retained by the patient, who ultimately underwent colectomy. The severity of the UC and/or timing of FMT may have partly accounted for the poor outcome.