2,229 research outputs found

    Dual effect of sympathetic hyperfunction on blood vessels in spontaneously hypertensive and stroke-prone spontaneously hypertensive rats

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    The sympathetic nervous system has been considered to be hyperactive from the very beginning after birth in spontaneously hypertensive and stroke-prone spontaneously hypertensive rats. This is a primary factor for the development and maintenance of hypertension via structural and functional alterations of the arteries and the heart. It is also described that the sympathetic hyperfunction probably play a protective role in necrosis of vascular smooth muscle cells in spontaneously hypertensive and stroke-prone spontaneously hypertensive rats.Biomedical Reviews 1996; 6: 57-68

    On the Group of Extensions Ext1 (G(l0),E(l1,...,ln)) Over a Discrete Valuation Ring

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    悪性高熱症の発症に関連する疑いがある1型リアノジン受容体の遺伝子変異 p.Thr84Metの遺伝子解析および機能解析

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    内容の要旨, 審査の要旨広島大学(Hiroshima University)博士(医学)Doctor of Philosophy in Medical Sciencedoctora

    Effect of Alkaline and Alkaline-Earth Metal Oxides Addition on the Glass Formation and Crystallization of ZnO-Al2O3-SiO2 Glasses

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    The effect of alkaline and alkaline-earth metal oxides addition to the ZnO-Al2O3-SiO2 system on the glass formation has been studied and the crystallization behaviour of these glasses was investigated by DTA and XRD. The addition of alkaline metal oxides tends to hinder the glass formation and only the system containing Li2O forms glass. The addition of Li2O changes the crystallization behaviour and the precipitation of LiAlSi3O8 is caused together with gahnite which is a typical precipitation phase in the ZnO-Al2O3-SiO2 system. TiO2 added as a nucleating agent tends to form a compound with ZnO when extra ZnO exists. All glasses could be formed when alkaline-earth metal oxides were added and the colour was changed to be brown by the addition of TiO2. In case of no TiO2 addition, glasses changed the form and melted before finish DTA because of low viscosity or high nucleation rate. However, crystallization peaks were clearer after added TiO2 due to the effect of nucleating agent. To conclusion, some glasses could not be formed when alkaline metal oxide was added because crystal growth rate was higher than alkaline-earth metal oxide addition; however, transparent glasses could not be obtained in all samples

    An intrathoracic scapular prolapse with hemorrhagic shock after a thoracotomy

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    We herein present a case in which an emergency operation was performed for an intrathoracic hemorrhage resulting from a scapular prolapse after a thoracotomy, a rare complication of this procedure. A 59-year-old man had undergone a right upper lobectomy with an extended resection of the posterior chest wall including the second to fourth ribs due to a direct invasion by a lung cancer. On postoperative day 80, we performed an emergency operation as the patient had gone into shock due to an intrathoracic hemorrhage with a right scapular prolapse. The scapula protruded through the enlarged fourth intercostal space. The prolapsed scapula was reduced and the defect in the chest wall was covered with Marlex mesh.ArticleINTERACTIVE CARDIOVASCULAR AND THORACIC SURGERY. 12(2):326-327 (2011)journal articl

    医療提供体制の現状と改革(3)

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