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消化性溃疡药 PowerPoint PPT Presentation


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消化性溃疡药. 一、实验设计的医学基础 消化性溃疡主要指发生于胃和十二指肠的慢性溃疡,临床以上腹部剑突以下,脐以上胃脘部经常发生疼痛为主症。属中医“吞酸”、“胃脘痛”之范畴。 有关消化性溃疡病的病因病机尚未完全清楚。一般认为溃疡的形成主要由于胃、十二指肠黏膜的防御因素和攻击因素的平衡失调所致。攻击因素主要是指胃酸、胃蛋白酶以及近年提出的幽门螺旋杆菌;防御因素则包括粘液 —— 碳酸氢盐屏障、胃黏膜血流、胃上皮更新和内生性前列腺素等。任何原田导致攻击因素加强和 ( 或 ) 防御因素减弱时,均可导致溃疡发生。

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消化性溃疡药

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