Ruberti Andrea, Rinaldi Riccardo, Occhipinti Giovanni, Ramus Liliane, Guagliumi Giulio, Sabate Manel, Brugaletta Salvatore
Cardiovascular Clinic Institute, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clínic, University of Barcelona, c/ Villarroel 170, Barcelona, 08036, Spain.
GE HealthCare, Buc, France.
Int J Cardiovasc Imaging. 2024 Dec;40(12):2581-2589. doi: 10.1007/s10554-024-03268-8. Epub 2024 Oct 28.
3DStent is a novel rotational angiography imaging capable of 3D reconstruction and measuring stent area and diameter, without need for intravascular imaging. To compare 3DStent and OCT-derived stent area and diameter after PCI. Patients with de novo coronary lesions who underwent treatment with a single DES and evaluated by OCT and 3DStent were included. Stent area and diameter were measured by 3DStent, at abluminal, mid and endoluminal side and by OCT. From September 2023 to February 2024 six coronary lesions were analyzed. Post-PCI stent area measured by OCT was (mean ± standard deviation) 7.03 ± 2.85 mm and by 3DStent 9.41 ± 2.79 mm, 7.21 ± 2.23 mm and 5.63 ± 1.83 mm at abluminal, mid and endoluminal side, respectively. Stent diameter by OCT was 2.93 ± 0.58 mm, and by 3DStent 3.27 ± 0.50 mm, 2.86 ± 0.49 mm and 2.52 ± 0.45 mm at abluminal, mid and endoluminal side, respectively. Significant correlation was observed between OCT and 3DStent in relation to stent area (Exp(B) 3.35, mean of difference 0.19 ± 1.01 mm, 95%CI -1.80-2.17 mm, p < 0.001) and diameter (Exp(B) 3.18, mean difference - 0.07 ± 0.18 mm, 95%CI -0.43-0.30 mm, p < 0.001), particularly when 3DStent measurements performed at the mid side. Very high reproducibility was demonstrated by intra- and inter-observer analysis (r = 0.92 and r = 0.93 respectively). 3DStent appears to be an easy and reproducible tool to assess post-PCI stent area and diameter as compared to OCT.
3D支架是一种新型的旋转血管造影成像技术，能够进行三维重建并测量支架面积和直径，无需血管内成像。为比较经皮冠状动脉介入治疗（PCI）后3D支架与光学相干断层扫描（OCT）得出的支架面积和直径。纳入了接受单枚药物洗脱支架（DES）治疗并通过OCT和3D支架进行评估的初发冠状动脉病变患者。通过3D支架在管腔外、中间和管腔内测量支架面积和直径，同时也通过OCT进行测量。对2023年9月至2024年2月期间的6处冠状动脉病变进行了分析。PCI术后通过OCT测量的支架面积（平均值±标准差）为7.03±2.85平方毫米，通过3D支架测量的管腔外、中间和管腔内的支架面积分别为9.41±2.79平方毫米、7.21±2.23平方毫米和5.63±1.83平方毫米。通过OCT测量的支架直径为2.93±0.58毫米，通过3D支架测量的管腔外、中间和管腔内的支架直径分别为3.27±0.50毫米、2.86±0.49毫米和2.52±0.45毫米。在支架面积方面，OCT与3D支架之间存在显著相关性（指数B为3.35，平均差值为0.19±1.01毫米，95%置信区间为-1.80至2.17毫米，p<0.001）；在支架直径方面也存在显著相关性（指数B为3.18，平均差值为-0.07±0.18毫米，95%置信区间为-0.43至0.30毫米，p<0.001），尤其是当3D支架在中间位置进行测量时。观察者内和观察者间分析显示出非常高的可重复性（分别为r = 0.92和r = 0.93）。与OCT相比，3D支架似乎是一种评估PCI术后支架面积和直径的简便且可重复的工具。
