心血管疾病中的超声造影、声溶栓和声灌注:向治疗诊断临床试验的转变。
Contrast Ultrasound, Sonothrombolysis and Sonoperfusion in Cardiovascular Disease: Shifting to Theragnostic Clinical Trials.
机构信息
Amsterdam University Medical Centers, location Vrije Universiteit, Cardiology, Amsterdam Cardiovascular Sciences, Amsterdam, the Netherlands.
University of Nebraska Medical Center, Division of Cardiovascular Medicine, Omaha, Nebraska, USA.
出版信息
JACC Cardiovasc Imaging. 2022 Feb;15(2):345-360. doi: 10.1016/j.jcmg.2021.07.028. Epub 2021 Oct 13.
Contrast ultrasound has a variety of applications in cardiovascular medicine, both in diagnosing cardiovascular disease as well as providing prognostic information. Visualization of intravascular contrast microbubbles is based on acoustic cavitation, the characteristic oscillation that results in changes in the reflected ultrasound waves. At high power, this acoustic response generates sufficient shear that is capable of enhancing endothelium-dependent perfusion in atherothrombotic cardiovascular disease (sonoperfusion). The oscillation and collapse of microbubbles in response to ultrasound also induces microstreaming and jetting that can fragment thrombus (sonothrombolysis). Several preclinical studies have focused on identifying optimal diagnostic ultrasound settings and treatment regimens. Clinical trials have been performed in acute myocardial infarction, stroke, and peripheral arterial disease often with improved outcome. In the coming years, results of ongoing clinical trials along with innovation and improvements in sonothrombolysis and sonoperfusion will determine whether this theragnostic technique will become a valuable addition to reperfusion therapy.
超声造影在心血管医学中有多种应用,既可以用于诊断心血管疾病,也可以提供预后信息。血管内造影微泡的可视化基于声空化,这是一种特征性的振荡,导致反射超声的变化。在高功率下,这种声响应产生足够的剪切力,能够增强动脉粥样硬化性心血管疾病中的内皮依赖性灌注(声灌注)。微泡对超声的振动和破裂也会引起微流和射流,从而使血栓碎裂(超声溶栓)。一些临床前研究的重点是确定最佳的诊断超声设置和治疗方案。已经在急性心肌梗死、中风和外周动脉疾病中进行了临床试验,通常会改善结果。在未来几年,随着创新和超声溶栓和超声灌注的改进,正在进行的临床试验的结果将决定这种治疗诊断技术是否会成为再灌注治疗的有价值的补充。