JACC:主动脉瓣狭窄病人术后的心肌重塑是可逆的

2018-02-25 MedSci MedSci原创

左室肥大是人类心脏疾病的一个关键发展过程,它是由细胞肥大和细胞外基质扩增(间质纤维化)导致的。本研究的目的旨在评估主动脉瓣狭窄(AS)患者的心肌间质纤维化是否可逆。本研究纳入了181名有临床症状的严重AS患者,并在其进行主动脉瓣置换术(AVR)前进行心超评估AS的严重程度,进行心脏磁共振检查评估心脏容积、功能和纤维化程度,进行生物标志物的检测(包括N-末端B型利钠肽和高敏肌钙蛋白T),最后还进行6

左室肥大是人类心脏疾病的一个关键发展过程,它是由细胞肥大和细胞外基质扩增(间质纤维化)导致的。本研究的目的旨在评估主动脉瓣狭窄(AS)患者的心肌间质纤维化是否可逆。本研究纳入了181名有临床症状的严重AS患者,并在其进行主动脉瓣置换术(AVR)前进行心超评估AS的严重程度,进行心脏磁共振检查评估心脏容积、功能和纤维化程度,进行生物标志物的检测(包括N-末端B型利钠肽和高敏肌钙蛋白T),最后还进行6分钟行走试验测试。并在AVR术后一年再进行一次检测。结果显示,术后一年没接受起搏器治疗的患者有116名(年龄70 ± 10岁,男性占54%),平均的跨瓣压差有所改善(48 ± 16 mm Hg-12 ± 6 mm Hg; p < 0.001),左室质量指数减低了19%(88 ± 26 g/m2-71 ± 19 g/m2; p < 0.001),病灶的纤维化没有明显改变,但是细胞外体积明显改善(28.2 ± 2.9% -29.9 ± 4.0%; p < 0.001),这是由于间质的体积减少了16%(25 ± 9 ml/m2- 21 ± 7 ml/m2; p < 0.001

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    2019-01-01 hbwxf
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    2018-02-25 flysky120

    学习新的知识了谢谢

    0

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