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经导管主动脉瓣置入术的围术期处理 被引量:2

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摘要 随着我国老龄化社会的发展趋势,老年性瓣膜退行性病变发病率不断增加,其中主动脉瓣狭窄已逐渐成为这一人群最常见的瓣膜性心脏病。据统计,65岁以上老年人中,发病率为2%,85岁以上者,发病率为4%[1]。一旦有典型的临床症状如心绞痛、晕厥和劳力性呼吸困难出现,生存期分别为5年、3年和2年[2]。对严重主动脉瓣狭窄患者,外科主动脉瓣置换术曾经是唯一可以延长生命的治疗手段,但老年患者常因高龄、体质弱、病变重或合并其他疾病而禁忌手术。欧美国家的统计表明,约1/3的重度主动脉瓣狭窄患者因为手术风险高或有禁忌证而无法接受传统的外科开胸手术。对于这些高危或有心外科手术禁忌的患者,经导管主动脉瓣置入术( TAVI)可以作为一种有效的治疗手段。
出处 《心血管外科杂志(电子版)》 2015年第1期7-10,共4页 Journal of Cardiovascular Surgery(Electronic Edition)
基金 桂林市科学研究与技术开发计划项目(20110119-1-1)
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