ATS:曹华等报道经RV球囊瓣膜成形术治疗PA-IVS安全可行

2013-07-25 Ann Thorac Surg dxy

经皮球囊肺动脉瓣成形术因对设备要求高、昂贵以及辐射等原因,在发展中国家的应用受到了一定的限制。针对这种情况,来自福建医科大学附属协和医院心血管外科的曹华教授等人率先开展了经右心室(RV)球囊肺动脉瓣成形术治疗室间隔完整型肺动脉闭锁(PA-IVS)的临床研究,结果表明经RV肺动脉瓣球囊成形术安全可行。该研究结果发表于2013年2月4日的《胸外科年鉴》(Ann Thorac Surg)上。


经皮球囊肺动脉瓣成形术因对设备要求高、昂贵以及辐射等原因,在发展中国家的应用受到了一定的限制。针对这种情况,来自福建医科大学附属协和医院心血管外科的曹华教授等人率先开展了经右心室(RV)球囊肺动脉瓣成形术治疗室间隔完整型肺动脉闭锁(PA-IVS)的临床研究,结果表明经RV肺动脉瓣球囊成形术安全可行。该研究结果发表于2013年2月4日的《胸外科年鉴》(Ann Thorac Surg)上。

该研究从2008年1月至2010年5月共纳入10例经RV球囊肺动脉瓣成形术治疗PA-IVS的新生儿。治疗前患儿的氧饱和度范围为60%至83%(平均76%);三尖瓣环Z值范围为-2至2(中位数为0.15),肺动脉瓣环直径范围为4.6至8.6mm(中位数7.3mm),右心室收缩压范围为88至124mmHg(中位数为106.5mmHg)。

在经食管超声心动图的指导下,先用导丝经RV通过肺动脉瓣,再通过球囊扩张。

所有患者均成功进行了手术。手术时长为64至110分钟(平均82.5分钟)。机械通气时长为8至36小时(平均11小时),住院时间为7至13天(平均9天)。术后血氧饱和度中位数增加至89.5%,RV收缩压中位数下降至45mmHg,跨肺动脉瓣压范围为20到45mmHg(中位数为27.5mmHg)。术后轻微并发症包括一过性室上速1例,需输血的失血2例,中度肺动脉瓣反流1例,轻度肺动脉瓣反流3例。无心脏穿孔,主肺动脉瘤,或低心排量综合征发生。随访8至15个月(平均12.3个月),所有患者均保持良好状态。

该研究表明,经RV球囊肺动脉瓣成形术是安全可行的,可以替代外科瓣膜切开术或经皮穿刺球囊扩张术治疗PA-IVS。早期结果令人鼓舞,但仍需进一步研究论证。


Qian-zhen Li, MD, Hua Cao, MDemail address, Qiang Chen, MD, Gui-Can Zhang, MD, Liang-Wan Chen, MD, Dao-Zhong Chen, MD Balloon Valvuloplasty Through the Right Ventricle: Another Treatment of Pulmonary Atresia With Intact Ventricular Septum; PII: S0003-4975(13)00233-6 doi:10.1016/j.athoracsur.2013.02.003

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    2013-07-27 花花1366
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