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经食道超声心动图在重度主动脉瓣膜狭窄行瓣膜置换手术中的应用 被引量:5

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摘要 目的评价术中经食道超声心动图(TEE)在重度主动脉瓣膜狭窄(critical aortic stenosis,CAS)患者行主动脉瓣置换(aortic valve replacement,AVR)术中的作用。方法 40例CAS患者术中应用TEE监测,与术前经胸超声心动图(transthoracic echocardiography,TTE)检查比较两者在主动脉瓣环测量差异,并评价TEE在CAS患者行AVR手术的应用。结果 TEE检查可对手术操作实时评估,可进行针对性排气和明确的补救手术。TEE对主动脉瓣环直径的评估较TTE精确(P<0.05)。结论通过术中TEE,有望进一步完善CAS患者术前的临床诊断,帮助外科医生更好地制定、修改手术方案。TEE可以在术后即刻了解有无瓣膜开放关闭问题,跨瓣压差,反流及有无瓣周漏,在体外循环期间就可以再次手术纠正,提高手术成功率,使患者免遭二次开胸和体外循环。
出处 《河北医药》 CAS 2016年第6期916-918,共3页 Hebei Medical Journal
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