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        west china medical publishers
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        find Author "米粲" 1 results
        • 風濕性二尖瓣病變心肌和肺組織的病理學觀察

          目的 探討風濕性二尖瓣病變患者右心房心肌超微結構改變與肺組織的病理變化(光學顯微結構和超微結構)之間的相互關系.方法 24例患者均在建立體外循環前取右心耳心肌和肺組織經超薄切片后用透射電子顯微鏡觀察,肺組織同時制作石蠟片用光學顯微鏡觀察.結果 右心房心肌的病變程度與肺組織的病變程度基本一致;肺光學顯微鏡下Ⅲ級、Ⅳ級病變者心肌和肺組織超微結構改變較Ⅰ級、Ⅱ級者有加重的趨勢,增厚的氣血屏障基底膜中可見成纖維細胞插入.結論 右心房心肌肌絲廣泛性溶解在一定程度上更能反映患者的病情;肺毛細血管基底膜和肺間質的改變較突出;成纖維細胞的遷移、轉化可能與肺血管壁增厚有關.

          Release date:2016-08-30 06:35 Export PDF Favorites Scan
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