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( Shinya Oomori ),( Atsushi Ikehata ),( Aldhiko Murakami ) 대한소화기학회 2007 SIDDS Vol.9 No.-
Background/Aims: It is often hard to treat active (spuring or oozing) bleeding in the gastrointestinal tract. We aimed to investigate the clinical features and points of notices for patients with difficulty to stop bleeding. Methods: The total subjects were 606 patients, who were thought to suffer acute bleeding in the gastrointestinal tract and performed urgent endoscopy (418 panendoscopies and 188 colonoscopies). Of them, we noted the patients with Forrest type I bleeding (patient group A) and ones needed plural therapic endoscopy due to rebleeding (patient group C). The patients without Forrest type I bleeding and with only single endoscopic procedure were defined group B and group D, respectively. Between group A and B, and group C and D, we compared the following points: age, sex, regular medications (NSAIDs and anticoagulants), causal diseases, disease sites and methods of hemostasis. Results: The causal diseases were mainly hemorrhagic ulcers and post-EMR bleedings. In lower gastrointestinal tract bleeding. The frequencies of regular medication of anticoagulants were significantly higher in patients groups A and C than those in group B and D, respectively (p<0.05). As to hemostatic procedures, the frequency of plural treatments (combined pure ethanol injection, hemoclip, electrocoagulation, hypertonic saline or epinephrine injection etc.) was significantly higher in patients groups A than those in group B (P<0.05). There was one case who was performed an abdominal operation for hemostasis due to hemorrhagic duodenal ulcer. It was impossible for the case to secure enough visual field by endoscopy, owing to massive bleeding. Conclusions: In the endoscopic hemostasis, if one method is not effective, it is worth using plural methods together without sticking to only one method. And it is one of theimportant endowments for endoseopists to consult properly with surgeons about patients with difficulty to stop bleeding by endoscopic procedures.
Takahiro MIYAJIMA,Takumi TOKISA,Shinya MAEDA,Hyoungseop KIM,Joo Kooi TAN,Seiji ISHIKAWA,Seiichi MURAKAMI,Takatoshi AOKI 제어로봇시스템학회 2012 제어로봇시스템학회 국제학술대회 논문집 Vol.2012 No.10
Recently, thorax MDCT images are used in visual screening for early detection of lung nodules. Radiologists can easily detect lung nodules on images, but it has enormous images and load of radiologist for visual screening. To reduce the load of radiologist and improve the detection accuracy, a CAD (Computer Aided Diagnosis) system is expected from medical fields. In the medical image processing fields, some related works are reported to develop the CAD system including temporal subtraction technique as helpful technical issues. In this paper, we propose a classification of lung nodules on temporal subtraction image based on image processing technique. At first, the candidate regions including nodules are detected by the multiple threshold technique in terms of the pixel value on the temporal subtraction images. Then, we remove vessel regions on nodules by the most suitable threshold technique and watershed method. Also we remove the false positives which are caused by mis-registration using selective enhancement filter, rule-base method and artificial neural networks. In this paper, we illustrate some experimental result which applied our algorithm to 31 chest MDCT cases including lung nodules.
Detection of Lung Nodule on Temporal Subtraction Images Based on Artificial Neural Network
Takumi Tokisa,Noriaki Miyake,Shinya Maeda,Hyoungseop Kim,Joo Kooi Tan,Seiji Ishikawa,Seiichi Murakami,Takatoshi Aoki 한국지능시스템학회 2012 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGE Vol.12 No.2
The temporal subtraction technique as one of computer aided diagnosis has been introduced in medical fields to enhance the interval changes such as formation of new lesions and changes in existing abnormalities on deference image. With the temporal subtraction technique radiologists can easily detect lung nodules on visual screening. Until now, two-dimensional temporal subtraction imaging technique has been introduced for the clinical test. We have developed new temporal subtraction method to remove the subtraction artifacts which is caused by mis-registration on temporal subtraction images of lungs on MDCT images. In this paper, we propose a new computer aided diagnosis scheme for automatic enhancing the lung nodules from the temporal subtraction of thoracic MDCT images. At first, the candidates regions included nodules are detected by the multiple threshold technique in terms of the pixel value on the temporal subtraction images. Then, a rule-base method and artificial neural networks is utilized to remove the false positives of nodule candidates which is obtained temporal subtraction images. We have applied our detection of lung nodules to 30 thoracic MDCT image sets including lung nodules. With the detection method, satisfactory experimental results are obtained. Some experimental results are shown with discussion.
Yagi Sen,Furukawa Shinya,Shiraishi Kana,Miyake Teruki,Tange Kazuhiro,Hashimoto Yu,Kitahata Shogo,Kawamura Tomoe,Ninomiya Tomoyuki,Mori Kenichirou,Suzuki Seiyuu,Shibata Naozumi,Murakami Hidehiro,Ohashi 대한대장항문학회 2023 Annals of Coloproctolgy Vol.39 No.2
Purpose: The albumin-to-globulin ratio (AGR) is a recognized chronic inflammation marker. No evidence regarding the relationship between AGR level and ulcerative colitis (UC) exists. The aim of this study was to evaluate the association between AGR and clinical outcomes among Japanese subjects with UC. Methods: The study subjects consisted of 273 Japanese individuals with UC. AGR was divided into 4 categories (low, moderate, high, and very high). The definition of complete mucosal healing (MH) was based on the Mayo endoscopic subscore of 0. Clinical remission (CR) was defined as no rectal bleeding and no abnormally high stool frequency (<3 times per day). Results: The percentage of MH was 26.4%. High AGR and very high AGR were significantly positively correlated with CR (adjusted odds ratio [OR], 5.85; 95% confidence interval [CI], 2.52–14.18 and adjusted OR, 4.97; 95% CI, 2.14–12.04) and complete MH (adjusted OR, 4.03; 95% CI, 1.56–11.51 and adjusted OR, 5.22; 95% CI, 1.97–14.89), respectively after adjustment for confounding factors (P for trend=0.001). Only in the low C-reactive protein (CRP) group (≤0.1 mg/dL), very high AGR was significantly positively correlated with complete MH but not CR (adjusted OR, 4.38; 95% CI, 1.06–21.77; P for trend=0.017). In the high CRP group, no correlation between AGR and complete MH was found. Conclusion: Among Japanese patients with UC, AGR may be independently positively correlated with complete MH. In particular, among UC patients with low CRP, AGR might be a useful complementary marker for complete MH.
Naohiro Nishikawa,Katsuhiko Omoe,Kenji Murakami,Yusuke Sato,Takekazu Sawa,Yoshihiro Hagihara,Nobuhito Yoshihara,Hiroaki Okawai,Toshirou Iyama,Masahiro Mizuno,Shinya Tsukamoto 한국정밀공학회 2013 International Journal of Precision Engineering and Vol. No.
It is great concern that is environmental load in manufacturing. In machining site, metal working fluid (coolant) such as cutting oil,grinding fluid is used. It contains several chemicals that are oil, surface active agent, extreme pressure additive, antirust agent,antifoaming agent, preservative, biocide etc.. It is thought that it is not good for environment and human body. Machining fluid mist and splash contained several chemicals that are cause of danger for worker’s health while machining. Furthermore, time elapses, fluid is rotten by bacteria. Bad smell and degradation of machining performance occurs. Therefore, after using machining fluid, waste fluid is disposed. Incineration or coagulative precipitation and landfill etc. are necessary. It arise great disposal cost and environmental load as discharging of huge amount green house gas (CO2 etc.). Then, machining fluid decreasing or non-using is demanded in industry. So, in this investigation, new environmental machining method: the electric rust preventive machining method system that uses only water as machining fluid has been developed. In this paper, water purification recycle system in water machining system development is mentioned. Therefore, complete removal of bacteria (Enterobacter aerogenes) without using chemicals such as biocide is examined for corruption, malodor prevention and safe machining water.
Detection of Lung Nodule on Temporal Subtraction Images Based on Artificial Neural Network
Tokisa, Takumi,Miyake, Noriaki,Maeda, Shinya,Kim, Hyoung-Seop,Tan, Joo Kooi,Ishikawa, Seiji,Murakami, Seiichi,Aoki, Takatoshi Korean Institute of Intelligent Systems 2012 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGE Vol.12 No.2
The temporal subtraction technique as one of computer aided diagnosis has been introduced in medical fields to enhance the interval changes such as formation of new lesions and changes in existing abnormalities on deference image. With the temporal subtraction technique radiologists can easily detect lung nodules on visual screening. Until now, two-dimensional temporal subtraction imaging technique has been introduced for the clinical test. We have developed new temporal subtraction method to remove the subtraction artifacts which is caused by mis-registration on temporal subtraction images of lungs on MDCT images. In this paper, we propose a new computer aided diagnosis scheme for automatic enhancing the lung nodules from the temporal subtraction of thoracic MDCT images. At first, the candidates regions included nodules are detected by the multiple threshold technique in terms of the pixel value on the temporal subtraction images. Then, a rule-base method and artificial neural networks is utilized to remove the false positives of nodule candidates which is obtained temporal subtraction images. We have applied our detection of lung nodules to 30 thoracic MDCT image sets including lung nodules. With the detection method, satisfactory experimental results are obtained. Some experimental results are shown with discussion.
Fetal development of the human trapezius and sternocleidomastoid muscles
Kwang Ho Cho,Ichiro Morimoto,Masahito Yamamoto,Shinya Hanada,Gen Murakami,Jose Francisco Rodrí,guez-Vá,zquez,Shinichi Abe 대한해부학회 2020 Anatomy & Cell Biology Vol.53 No.4
At present, there is no photographic evidence of splitting of the trapezius and sternocleidomastoid muscles (SCMs), which share a common anlage that extends caudally toward the limb bud in the embryo at a length of 9 mm. Therefore, the aim of the present study was to identify which structures divide the caudal end of the common anlage at the first sign of splitting into two muscles. In 11 mm-long specimens, the SCM and trapezius muscles were identified as a single mesenchymal condensation. In 15 and 18 mm-long specimens, the SCM and trapezius muscles were separated and extended posteriorly and lymphatic tissues appeared in a primitive lateral cervical space surrounded by the SCM (anterior). In 21 mm-long specimens, the lymphatic vessels were dilated and the accompanying afferents were forming connections with the subcutaneous tissue through a space between the SCM and trapezius muscles. In 27 mm-long specimens, cutaneous lymphatic vessels were evident and had entered the deep tissue between the SCM and trapezius muscles. Vascular dilation may be viewed as a result of less mechanical stress or pressure after muscle splitting.
Taisuke Sakaki,Kazuhiko Tsuruta,Yong-Kwun Lee,Nobuhiro Ushimi,Koji Murakami,Yoshimi Matsunoo,Yutaka Ichinose,Tshihiko Shimokawa,Yuko Kamiya,Osamu Kikima,Kanta Aoki,Shinya Morishita,Takehiro Tashiro,Hi 제어로봇시스템학회 2017 제어로봇시스템학회 국제학술대회 논문집 Vol.2017 No.10
The Human Robotics Research Center at Kyushu Sangyo University was established in 2013 as a practical center for the study of robots designed for rehabilitation and care-support. The HRRC seeks to implement robots intended for the medical and care fields to address problems in those fields. We have focused on the development of rehabilitation robots for spinal cord injury patients. Here, we present three different robots we have developed for standing-motion training, primary-walking-pattern training, and practical-walking training.