Carcagnì Addolorata, Presbitero Patrizia
Invasive Cardiology Department, Istituto Clinico Humanitas, Rozzano-Milano, Italy.
Catheter Cardiovasc Interv. 2004 Jul;62(3):409-14. doi: 10.1002/ccd.20083.
Anatomical atrial septal defect (ASD) diameter measured by transesophageal echocardiography (TEE) underestimates the Amplatzer septal occluder (ASO) size for ASD closure. The aim of this study is to investigate whether a new echocardiographic diameter (procedural ASD diameter) may enable precise measurements of ASO device size. Fifty adult patients with secundum ASD were evaluated by TEE for percutaneous closure. The procedural ASD diameter was measured using the steadier rim borders where thickness was 2.5 mm. Out of the 50 patients, 12 were considered unsuitable for Amplatzer device closure. The other 38 patients underwent percutaneous closure. The mean anatomical ASD diameter was 14.8 +/- 7.0 mm, the mean procedural ASD diameter measured 19.5 +/- 8.1 mm, and the mean stretched balloon diameter (SBD) was 20.0 +/- 8.0 mm. ASO device size was 20.1 +/- 8.0 mm. At linear regression analysis, a high correlation (r = 0.99) was found between procedural ASD diameter and SBD. Procedural ASD diameter correlates with SBD and may allow reliable prediction of Amplatzer device in an adult population undergoing percutaneous ASD closure.
经食管超声心动图（TEE）测量的解剖学房间隔缺损（ASD）直径低估了用于ASD封堵的Amplatzer房间隔封堵器（ASO）的尺寸。本研究的目的是调查一种新的超声心动图直径（手术ASD直径）是否能够精确测量ASO装置的尺寸。对50例继发孔型ASD成年患者进行TEE评估以进行经皮封堵。使用厚度为2.5 mm的较稳定边缘边界测量手术ASD直径。50例患者中，12例被认为不适合使用Amplatzer装置封堵。其他38例患者接受了经皮封堵。解剖学ASD平均直径为14.8±7.0 mm，手术ASD平均直径为19.5±8.1 mm，平均扩张球囊直径（SBD）为20.0±8.0 mm。ASO装置尺寸为20.1±8.0 mm。在线性回归分析中，发现手术ASD直径与SBD之间存在高度相关性（r = 0.99）。手术ASD直径与SBD相关，并且可能允许对接受经皮ASD封堵的成年人群中的Amplatzer装置进行可靠预测。
