超声心动图检查不仅能探测心脏结构的形态，而且可以直观形象地显示血流动力学改变，在心血管疾病诊断上具有重要价值。但是，常规经胸壁超声心动图检查常因肺气肿、肥胖、胸壁畸形和肋骨的阻碍，约有20cYo的患者不能获得满意的图像，致使诊断受到限制。经食管超声心动图为心脏超声检查开辟了新的窗口，由于探头能近距离扫查心脏深部结构，显示出清晰的图像，使心脏疾患的诊断敏感性与特异性均有所提高，因而受到临床的高度重视。目前不但常用于对心脏疾病的诊断，而且，对于心脏手术中的超声监护（如心脏外科开胸手术以及心脏内科对于结构性心脏病的介入手术），大部分都采用经食管途径。然而经食管超声心动图检查涉及到探头的消毒。目前常规.....
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Mystically epic, cruelly real.In 1944, an action called Operation Kill Ma was performed by the Japanese army. Ever victorious general Ma Derui and his troops were destroyed unexpectedly and his Body was missing in mystery. Ten years later, people find his body, as wellas an amazing fact, Ma was kill.....
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Faced with the problem of the present invention: For the catalyst carrier, not only requires a proper specific surface area and pore size distribution, but also to support the mechanical strength and thermal stability is also very strict requirements. Furthermore, the catalytic composition and prope.....
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This is a pioneer group to harvest neural stem cells from the adult animals, manipulate the stem cells and transplant back into the same subject animal. After receiving the said treatment, all animals remain alive and healthy. This technique may cause significant implications in isolating individual.....
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类别： 化学药品第1.1类 剂型： 胶囊 适应症： 抗焦虑研究进度： I期临床试验转让方式： 技术转让研究背景：焦虑症(anxiety)是一种具有持久性焦虑、恐惧、紧张情绪和植物神经活动障碍的脑机能失调。国外焦虑性障碍(anxiety disorder)患病率占人口的2%～4%，我国统计城市人口患病率1－2％。终生患病率为10－16％。随着社会竞争的日益加剧，发病率呈上升趋势。临床上焦虑病人表现忧虑、紧张、恐惧，常伴有头痛、心悸、易激惹和失眠等躯体症状，有时伴随有抑郁症。严重时会对生活和工作造成严重影响。目前临床治疗药物以苯二氮卓和丁螺环酮为主。现有的药物中依赖性问题、起效慢以及其它毒副作用仍.....
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