Nguyen-Trong Phuong-Khanh J, Martinez Parachini Jose Roberto, Resendes Erica, Karatasakis Aris, Danek Barbara A, Alame Aya, Makke Lorenza B, Ayers Colby R, Roesle Michele, Rangan Bavana, Banerjee Subhash, Brilakis Emmanouil S
VA North Texas Health Care System and University of Texas Southwestern Medical Center, Dallas, Texas.
Catheter Cardiovasc Interv. 2016 Dec;88(7):1067-1074. doi: 10.1002/ccd.26613. Epub 2016 Jun 3.
The Flash Ostial system (Ostial Corporation, Sunnyvale, CA) was designed to optimize implantation of aorto-ostial coronary stents by flaring the proximal stent struts against the aortic wall.
We retrospectively reviewed the medical record, angiograms, and intravascular ultrasound images of 22 aorto-ostial percutaneous coronary interventions performed at our institution between March and September 2015. The Flash Ostial system was used in 13 cases (59%).
Mean age was 67 ± 8 years and all patients were men. The target vessel was the right coronary artery (59%), left main (27%), or a saphenous vein graft (14%); 59% of the lesions had moderate/severe calcification. The mean number of predilation balloons was 1.8 ± 1.6, mean Flash ostial balloon diameter was 3.3 ± 0.5 mm and mean inflation pressure was 13.1 ± 4.0 atmospheres. Intravascular ultrasonography (available for 19 patients) revealed mean ostial minimum lumen cross-sectional area (MLA) of 9.2 ± 3.0 mm and reference MLA of 8.5 ± 2.7 mm . The percent difference between ostial and reference MLA was higher in cases in which the Flash Ostial system was used versus those where it was not (9.6 ± 5.5% vs. 4.0 ± 2.8%, P = 0.03). All stent struts were well apposed. Technical success was 100%. One patient developed a left groin pseudoaneurysm treated with thrombin injection and one patient had a periprocedural myocardial infarction. Median contrast, fluoroscopy time, and procedure time were 235 mL, 33 min, and 118 min, respectively.
The Flash Ostial system can be successfully used in aorto-ostial stenting, resulting in large ostial vessel MLA. © 2016 Wiley Periodicals, Inc.
Flash Ostial系统（Ostial公司，加利福尼亚州桑尼维尔）旨在通过使近端支架支柱向主动脉壁扩张来优化主动脉开口处冠状动脉支架的植入。
我们回顾性分析了2015年3月至9月在我院进行的22例主动脉开口处经皮冠状动脉介入治疗的病历、血管造影和血管内超声图像。13例（59%）使用了Flash Ostial系统。
平均年龄为67±8岁，所有患者均为男性。靶血管为右冠状动脉（59%）、左主干（27%）或大隐静脉桥血管（14%）；59%的病变有中度/重度钙化。预扩张球囊的平均数量为1.8±1.6个，Flash开口球囊的平均直径为3.3±0.5mm，平均扩张压力为13.1±4.0个大气压。血管内超声检查（19例患者可用）显示开口处最小管腔横截面积（MLA）平均为9.2±3.0mm，参考MLA为8.5±2.7mm。使用Flash Ostial系统的病例与未使用该系统的病例相比，开口处与参考MLA的百分比差异更高（9.6±5.5%对4.0±2.8%，P = 0.03）。所有支架支柱均贴合良好。技术成功率为100%。1例患者出现左腹股沟假性动脉瘤，经注射凝血酶治疗，1例患者发生围手术期心肌梗死。造影剂用量、透视时间和手术时间的中位数分别为235mL、33分钟和118分钟。
Flash Ostial系统可成功用于主动脉开口处支架置入，导致开口处血管MLA增大。©2016威利期刊公司
