A Case Study on the Adaptation Process of One-to-One Computing Environment among a First-Year Teacher

本研究は，新任教師が入職してから１人１台端末の環境にどのように適応していくのかについて，新任教師Aの１年間を分析することで事例的に把握することを試みた．結果，実践記録の分析からは，授業技術や学級経営に比べると１人１台端末の活用については日々強く意識しているわけではないこと，学級経営や授業の進め方にゆとりが出てくると端末の活用に意識がいくこと，端末活用にはタイピングスキルや端末活用のルールづくりといった準備期間が必要でありその期間を乗り越えると学習の基盤となる活用へ向かうこと等が示された．また，感情推移のグラフの分析からは，１年間を通じて端末活用に関するモチベーションには波があること，モチベーションの高低の背景には，長期休業というイベントの存在や何を重視して教育活動を展開するのかというA教諭の信念や考えが影響している可能性等が示された

Surgical management of a patient with anomalous origin of the left circumflex coronary artery undergoing aortic and mitral valve surgery

Background The anomalous origin of the left circumflex coronary artery is rare and, when isolated, typically has minimal pathological significance. However, it can cause damage or compression of the coronary artery during aortic and mitral valve surgery. Case presentation The patient was a 34-year-old male diagnosed with severe aortic regurgitation due to a bicuspid aortic valve following infective endocarditis at the mitral valve. He was referred to our hospital owing to worsening heart failure. Preoperative evaluation revealed a mitral valve aneurysm and an anomalous left circumflex coronary artery originating from the right coronary artery and running posteriorly along the aortic valve annulus. During surgery, dissection of the anomalous left circumflex coronary artery was challenging. Mitral valve aneurysm repair and aortic valve replacement were performed. For the aortic valve replacement, a 23-mm St. Jude Medical Regent valve, one size smaller than optimal, was secured in the supra-annular position. Additionally, a coronary artery bypass graft was performed on the distal circumflex artery using a saphenous vein graft. The patient experienced no ischemic myocardial damage and was discharged in stable condition on postoperative day 14. Conclusions The anomalous origin of the left circumflex coronary artery should be recognized, and appropriate measures must be taken during valve surgery. Preemptive coronary artery bypass grafting is a reasonable option for patients undergoing aortic and mitral valve surgeries

Mitral valve repair in severe mitral regurgitation due to Barlow’s disease with concomitant mitral annular disjunction: a case report

Background Mitral annular disjunction (MAD) is characterized by the detachment of the mitral valve-left atrial junction from the left ventricular myocardium. The association of MAD with Barlow’s disease and its relevance to treatment are increasingly recognized. Case presentation A 75-year-old male with a history of mitral regurgitation (MR) and ablation for paroxysmal atrial fibrillation was diagnosed with severe MR due to Barlow’s disease, as confirmed by echocardiography. Imaging revealed disjunction at the mitral valve’s posterior annulus. During surgery, the posterior leaflet was resected along the annulus with precise height adjustments. A 6-mm separation between the mitral valve–left atrial junction and the left ventricular myocardium was sutured using a four-stitch mattress technique. The procedure included leaflet repair, insertion of artificial chordae, and mitral annuloplasty. Postoperatively, the MAD was corrected successfully, eliminating the severe MR. Conclusions Confirming the presence of MAD before surgery is essential for patients with MR. Surgical correction of MAD is imperative when present to address the disjunction effectively

A case of rapidly progressive Salmonella aortic aneurysm with acute pericarditis manifesting as a precursor

We report a case of Salmonella cardiovascular infection presenting with acute pericarditis as a precursor to the rapid progression of aortic aneurysm. An 81-year-old man presented with persistent fever and chest pain worsened with inspiration and was admitted to a nearby hospital with a diagnosis of bacterial pericarditis. However, hoarseness emerged two days later, and the patient was transferred to our hospital because of concerns about extracardiac inflammatory foci. Computed tomography (CT) revealed a periaortic exudate and aortic arch aneurysm. After transfer, blood cultures confirmed Salmonella infection. Ampicillin (ABPC) was initiated for long-term treatment of Salmonella infection, and pericarditis was treated with ibuprofen and colchicine for approximately one month. The associated symptoms and inflammatory blood data significantly improved, but five weeks later, follow-up CT revealed enlargement of the arch aneurysm. Due to the patient's age and nutritional status, thoracic endovascular aortic repair (TEVAR) was performed along with continued ABPC. Postoperatively, the infection was well-controlled, and follow-up CT revealed a size reduction in the treated aneurysm. No recurrent Salmonella-related vascular events were observed for two years after TEVAR

A case of rapidly progressive Salmonella aortic aneurysm with acute pericarditis manifesting as a precursor

We report a case of Salmonella cardiovascular infection presenting with acute pericarditis as a precursor to the rapid progression of aortic aneurysm. An 81-year-old man presented with persistent fever and chest pain worsened with inspiration and was admitted to a nearby hospital with a diagnosis of bacterial pericarditis. However, hoarseness emerged two days later, and the patient was transferred to our hospital because of concerns about extracardiac inflammatory foci. Computed tomography (CT) revealed a periaortic exudate and aortic arch aneurysm. After transfer, blood cultures confirmed Salmonella infection. Ampicillin (ABPC) was initiated for long-term treatment of Salmonella infection, and pericarditis was treated with ibuprofen and colchicine for approximately one month. The associated symptoms and inflammatory blood data significantly improved, but five weeks later, follow-up CT revealed enlargement of the arch aneurysm. Due to the patient's age and nutritional status, thoracic endovascular aortic repair (TEVAR) was performed along with continued ABPC. Postoperatively, the infection was well-controlled, and follow-up CT revealed a size reduction in the treated aneurysm. No recurrent Salmonella-related vascular events were observed for two years after TEVAR

EVALUATION METHOD OF NON-TASK-ORIENTED DIALOGUE SYSTEM BY HMM

Recently, computerized dialogue systems have been actively investigated and used in various fields. In order to realize a practical system, the performance of the system should be evaluated quantitatively. An objective and quantitative evaluation method for task-oriented dialogue systems, such as reservation services, has already been established; however, non-task-oriented dialogue systems have been evaluated only by subjective methods like questionnaires. In this paper, we propose a new criterion that can evaluate non-task-oriented dialogue systems objectively and quantitatively. We assume that a human-human dialogue is an ideal dialogue. We design an HMM (Hidden Markov Model) by learning a sequence of human-human dialogue utterance tags that are automatically assigned. We apply n-gram for auto-tagging and evaluate the humanness of dialogues using HMM. In this simulation, the rate of correct auto-tagging is 54%. If we consider partly correct tags as completely correct tags, the correct rate becomes 82%. Furthermore, it was clarified that the proposed method based on HMM can evaluate the humanness of a dialogue.conference pape

Design of Open Hearth Furnace with Pig and Ore Process（平炉計画）

東京帝国大学工科大学種別:卒業論文thesi

0812-9869-9940 (WA), Jual Keranda Mayat Penusupan

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Implementation of a Cloud-Based Learning Program for Elementary School Students with the Intention of Linking Home Study and Classroom Lessons

家庭学習において他者と協働的に学び合えること，児童が取り組んだ家庭学習の成果を教師が即時に把握し授業と連携しやすくなることを目指し，家庭学習と授業の連携を意図した学習プログラムを開発し，実践した．評価の結果，本プログラムを使った学習では，一定程度の学習効果が認められること，児童は学習を好意的に評価していること，担任教師は児童が取り組んだ家庭学習の成果が授業と連携しやすくなること等を実感していることが示された

「岩の一軸および三軸圧縮試験の方法と結果の適用に関するシンポジウム」開催報告

rights: 社団法人地盤工学会 rights: 本文データは学協会の許諾に基づきCiNiiから複製したものである relation: IsVersionOf: http://ci.nii.ac.jp/naid/110003968742/textapplication/pdfjournal articl