Medical Clinic I, University RWTH Aachen, Aachen, Germany.
Catheter Cardiovasc Interv. 2013 Dec 1;82(7):E922-5. doi: 10.1002/ccd.24516. Epub 2013 Mar 28.
Treatment options for re-stenotic aortic valve prosthesis implanted by transcatheter technique have not been evaluated systematically. We describe the case of a 75-year-old dialysis patient who was treated by transcatheter aortic valve implantation 3.5 years ago and now presented with severe stenosis of the percutaneous heart valve. The patient was initially treated with a trans-apical implantation of an Edwards Sapien 26 mm balloon expandable valve. The patient remained asymptomatic for 3 years when he presented with increasing shortness of breath and significant calcification of the valve prosthesis on transesophageal echocardiography. Valve-in-valve percutaneous heart valve implantation using a 26-mm CoreValve prosthesis was performed under local anesthesia. The prosthesis was implanted without prior valvuloplasty. Pacing with a frequency of 140/min was applied during placement of the valve prosthesis. Positioning was done with great care using only fluoroscopic guidance with the aim to have the ventricular strut end of the CoreValve prosthesis 5 mm higher than the ventricular strut end of the Edwards Sapien prosthesis. After placement of the CoreValve prosthesis within the Edwards Sapien valve additional valvuloplasty with rapid pacing was performed in order to further expand the CoreValve prosthesis. The final result was associated with a remaining mean gradient of 5 mm Hg and no aortic regurgitation. In conclusion, implantation of a CoreValve prosthesis for treatment of a restenotic Edwards Sapien prosthesis is feasible and is associated with a good functional result.
经导管技术植入的再狭窄主动脉瓣假体的治疗选择尚未得到系统评估。我们描述了一位 75 岁的透析患者的病例,他在 3.5 年前接受了经导管主动脉瓣植入术,现在出现了经皮心脏瓣膜严重狭窄。该患者最初接受了经心尖植入 Edwards Sapien 26 毫米球囊扩张瓣膜治疗。该患者在植入后 3 年内无症状,但随后出现呼吸困难加重和瓣膜假体明显钙化。在局部麻醉下,使用 26 毫米 CoreValve 假体进行经皮心脏瓣膜瓣中瓣植入术。在植入前未进行瓣膜成形术。在植入瓣膜假体时,以 140/min 的频率起搏。仅使用荧光透视引导,非常小心地进行定位,目的是使 CoreValve 假体的心室支柱末端比 Edwards Sapien 假体的心室支柱末端高 5 毫米。在 Edwards Sapien 瓣膜内放置 CoreValve 假体后,进行快速起搏以进一步扩张 CoreValve 假体。最终结果与 5mmHg 的平均梯度和无主动脉瓣反流相关。总之,植入 CoreValve 假体治疗再狭窄的 Edwards Sapien 假体是可行的,并可获得良好的功能结果。