术中经食管超声心动图可即刻识别人工瓣膜功能异常

2019-07-29 xujing 中国循环杂志

阜外医院王浩等研究提示,经食管超声心动图可及时确认心脏瓣膜置换术后即刻人工瓣膜功能异常,协助判别内源性因素并指导外科补救。

阜外医院王浩等研究提示,经食管超声心动图可及时确认心脏瓣膜置换术后即刻人工瓣膜功能异常,协助判别内源性因素并指导外科补救。

研究纳入13 442 例行心脏瓣膜置换术的患者资料,其中术后即刻人工瓣膜功能异常患者11 例,急性围术期人工瓣膜功能异常(AIPVD)发生率为0.082%。

11 例患者中,机械瓣置换术8 例,生物瓣置换术3 例。

术中经食管超声心动图显示,瓣膜功能异常包括人工瓣膜梗阻(7 例)及瓣膜关闭不全(4 例)。

与外科手术相关的瓣膜功能异常6 例,陈旧血栓清理不彻底1 例、保留二尖瓣后叶不当2 例,主动脉瓣瓣下隔膜1 例,残余腱索冗长1 例,人工缝线1 例.

其余5 例术后均考虑瓣膜内源性因素,包括生物瓣瓣叶脱垂1 例、二尖瓣机械瓣启闭不灵活2 例、主动脉瓣机械瓣关闭不全2 例,其中4 例机械瓣在体功能异常但术前离体测试均未见异常,考虑瓣膜潜在工艺缺陷导致在体应力状态下不能正常工作。

11 例患者再次接受手术,其中6 例更换新的人工瓣膜,其余5 例去除梗阻原因,所

有患者均未再次出现人工瓣膜功能异常,住院期间无患者死亡。

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    2019-07-31 zhouqu_8
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术中不良事件(iAEs)和术后临床结果之间的关系仍不清楚。 我们试图评估,iAEs对术后30天死亡率、术后30天并发症、术后住院时间(LOS)的影响。研究对象为腹部手术患者。 采用单因素和多因素Logistic回归模型评估iAEs对术后30天死亡率、术后30天并发症、术后LOS延长(≥7天)的影响,分析中控制术前或术中变量(如年龄、合并症、ASA、切口分类)、手术类型(如腹腔镜 vs