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[Perforation and rupture of coronary arteries]
1Medizinische Klinik IV (Kardiologie/Nephrologie), Klinikum der Johann-Wolfgang-Goethe-Universität Frankfurt a. M. M.Elsner@em.uni-frankfurt.de
Insights
Spontaneous coronary artery rupture and perforation during procedures are rare but serious. Coronary stent-grafts offer a promising new treatment for acute perforations, potentially reducing the need for surgery.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
- Medical Devices
Context:
- Spontaneous coronary artery rupture and iatrogenic coronary perforation during percutaneous coronary interventions (PCI) are infrequent but critical cardiovascular emergencies.
- Perforation rates vary significantly with PCI devices, ranging from 0.1-0.2% for balloon angioplasty to up to 3% for newer technologies like directional atherectomy or laser angioplasty.
- While iatrogenic perforations can be managed acutely, spontaneous ruptures often involve a diagnostic delay, leading to severe clinical sequelae such as myocardial infarction or sudden death.
Purpose:
- To review the incidence and management strategies for acute coronary artery perforations, including spontaneous ruptures and those occurring during PCI.
- To evaluate the role of novel interventional techniques, particularly coronary stent-grafts, in the non-surgical treatment of acute coronary perforations.
- To discuss the potential for prophylactic treatment of rupture-prone coronary conditions and the future implications of coronary stent-graft technology.
Summary:
- Acute coronary perforations, whether spontaneous or iatrogenic, pose significant risks, often necessitating emergency surgery.
- Interventional strategies have evolved, with coronary stent-grafts emerging as a viable percutaneous option to maintain vessel patency and treat perforations effectively.
- While stent-grafts show promise for immediate treatment and potentially prophylactic applications, further long-term clinical studies are required to establish broader recommendations.
Impact:
- Coronary stent-grafts represent a significant advancement in managing acute coronary perforations, offering a less invasive alternative to emergency surgery.
- The potential for percutaneous resolution of perforations can lead to shorter hospital stays and improved patient outcomes.
- Further research into long-term efficacy and expanded indications for coronary stent-grafts is crucial for optimizing their clinical application in cardiovascular medicine.
Abstract:
Spontaneous rupture of coronary arteries as well as coronary perforation during percutaneous interventions are rare but potentially life-threatening incidents often resulting in emergency surgery. Frequency of acute perforation due to therapeutic catheterization varies according to the devices employed. With conventional balloon angioplasty it is estimated to be 0.1 to 0.2% whereas substantially higher rates of up to 3% have been reported with the use of so-called "new devices" (i.e. directional atherectomy, rotablation, excimer laser angioplasty or extractional atherectomy). Interventional strategies for nonsurgical treatment of acute coronary perforations during catheterization procedures have been developed. In recent times, availability of coronary stent-grafts allows for a percutaneous resolution of acute perforations while maintaining vessel patency. Whereas iatrogenic perforations in the catheterization laboratory may thus be treated immediately at the site of their occurrence, rupture of pre-existing but potentially unknown coronary pathology frequently is associated with a diagnostic interval, giving rise to serious clinical events (i.e. myocardial infarction, cardiac tamponade, malign arrhythmias or sudden death). It may be warranted to advocate prophylactic treatment of rupture-prone coronary conditions even on incidental diagnosis. This can either be performed by cardiothoracic surgery or, in suitable cases, by interventional therapy. Implantation of coronary stent-grafts could prove to become the therapy of choice due to its technical facility, safety and the short length of hospital stay associated with it. Before general recommendations can be made, however, as to the extension of indication for these novel coronary devices, further clinical studies encompassing long-term clinical and angiographic follow-up are needed.