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中国首例CABG后经心尖微创主动脉瓣置换术

2015-01-07 齐璐璐 医学论坛网

中山医院心外科TAVI手术团队 讯 近日,中山医院心外科TAVI团队再获突破,成功完成中国首例“冠脉搭桥术后经心尖微创主动脉瓣置换术”。 蒋老伯今年71岁高龄,2年前因冠心病三支病变接受正中开胸冠脉搭桥手术,6月前又出现胸闷心慌气急等症状。检查显示虽然桥血管通畅,但蒋老伯这次病因为“重度主动脉瓣关闭不全”,如不积极治疗将发展为心衰,只有通过再次开胸手术置换人工瓣膜方能治愈。

中山医院心外科TAVI手术团队

讯 近日,中山医院心外科TAVI团队再获突破,成功完成中国首例“冠脉搭桥术后经心尖微创主动脉瓣置换术”。

蒋老伯今年71岁高龄,2年前因冠心病三支病变接受正中开胸冠脉搭桥手术,6月前又出现胸闷心慌气急等症状。检查显示虽然桥血管通畅,但蒋老伯这次病因为“重度主动脉瓣关闭不全”,如不积极治疗将发展为心衰,只有通过再次开胸手术置换人工瓣膜方能治愈。蒋老伯心中忐忑不安四处求医,但均应风险太高屡遭拒绝。

众所周知,再次开胸心脏手术的风险比初次手术高好几倍。特别是冠脉搭桥术后,多根桥血管被包裹在胸骨后方的粘连组织中,位置变异极大,无法准确判定,再次开胸时损伤任何一根均可能导致急性心梗。更让医生头痛的是蒋老伯由于肾血管病变,左侧肾脏已完全失去功能,传统换瓣手术必须体外循环心脏停跳,势必损害唯一的右肾甚至导致肾功能衰竭。

蒋阿伯慕名找到了国内著名的微创瓣膜手术专家——中山医院心外科主任王春生教授,王教授慎重研究了蒋老伯的病情,向他推荐了“经心尖微创主动脉瓣置换术(TA-TAVI)”。这种手术无需正中开胸、无需体外循环,只需在左侧胸壁开一个小口,将一根细长的导管经心尖穿刺送入心腔,在心脏跳动下透视定位释放瓣膜即可完成主动脉瓣置换。对蒋老伯来说,既降低了正中开胸损伤桥血管的概率,又避免了体外循环破坏肾功能的风险,可以说是目前最微创的瓣膜置换术式。

2014年5月份以来,由心外科王春生主任和魏来副主任医师领衔的TAVI团队在国内率先开展高龄高危患者TA-TAVI手术,在学术界取得了广泛影响和充分肯定,但为冠脉搭桥术后患者实施再次TA-TAVI手术在国内却属首次。魏来医师仔细查阅文献确定手术方案,联合放射科杨雪医师、心超室赵维鹏医师为蒋老伯做了全面细致的影像学评估,复原患者左心室和主动脉三维结构,精确测量瓣膜及主动脉根部各径线数据,确定胸壁穿刺位置和角度,设计了最佳的导管进入通路。手术前一天心外科、麻醉科、手术室、体外循环、重症监护等TAVI团队成员再次逐条讨论围手术期处置流程和应急预案,一切尽在掌握!

2014年12月18日,魏来副主任医师开始手术,麻醉科郭克芳副主任医师保驾护航。与术前设计完全一致,左胸穿刺点定位非常准确,只分离少量粘连即达心尖表面且刚刚避开桥血管走行。术前确定的DSA球管角度、导管弧度和人工瓣膜尺寸也非常适合蒋老伯主动脉根部的解剖结构。整个手术过程仅耗时1个半小时,几乎没有出血,新瓣膜定位准确、工作正常,没有干扰心内任何正常结构,术后复查没有瓣周漏、没有传导阻滞、没有栓塞、没有肾功能损害,手术取得圆满成功。

术后第一天早晨蒋老伯即脱离呼吸机回到普通病房,第二天下床,第四天自行步行出院,目前随访半个月感觉良好,几乎没有伤口疼痛。蒋老伯的儿子不敢相信这是事实,连声称赞中山医院技术高超。


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    2015-12-07 yxch48
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    2015-01-10 zczcz6655

    文章不错,介绍新观点,有新意

    0

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    2015-10-18 okhuali
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    2015-01-09 vera_1203
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