Pseudoaneurysms may arise from any artery in the human body. Most commonly found to involve the femoral artery after angiography, the presentation may vary from being clinically silent to a life-threatening emergency scenario. Recognition of this condition and treatment largely depend on the hemodynamic stability and anatomy of the pseudoaneurysm. Advances in treatment have enabled nonsurgical therapy in a significant number of cases. Ultrasound-guided thrombin injection is a fairly easy and effective treatment option. Other endovascular approaches, such as stent graft repair and coil embolization, are also available. Endovascular techniques play an important role in treating pseudoaneurysms arising from the aorta as a result of blunt trauma or previous aortic surgery. It is important to recognize the indications for surgery to avoid delay in the management of this potentially limb- or life-threatening condition.
The NAIS can be staged without compromising the efficacy of the procedure as evident by excellent long-term patency and control of the infection. By reducing the duration of the primary procedure, staging may be beneficial to both the patient and the surgeon.
According to data reported by the American Heart Association, more than 5 million diagnostic and therapeutic catheterizations are performed each year in the United States. The number of catheterizations has tripled since 1979. It has been estimated that complications related to the access site result in more than 75,000 surgical procedures annually. Thus, improved management of the access site itself is essential to achieve the greater goals of improved care and reduced cost. Manual compression directly over the site of arterial puncture usually results in adequate hemostasis but has several significant drawbacks. Manual compression is uncomfortable for the patient, is fatiguing and time-consuming for staff, and necessitates several hours of costly in-hospital observation. In addition, it may be ineffective in achieving hemostasis, especially in the setting of systemic anticoagulation or following the use of large-bore devices. Based on the perceived need for an improved method of managing the arterial access site following catheterization, various vascular sealing devices have been developed. There are at least 8 (and the number is increasing) hemostatic vascular closure devices that are currently approved by the FDA for access site closure after femoral arterial catheterization. The chief advantage attributed to vascular sealing devices is accelerated access site hemostasis, even in the setting of anticoagulation, leading to earlier ambulation and hospital discharge following arterial catheterization. The most important drawbacks related to vascular sealing devices include the cost of the devices and the possibility of increased access site complications. Despite the paucity of properly designed studies supporting their use, it is estimated that over one million vascular sealing devices are used annually in the United States, a number that has increased dramatically in the past 5 years.In this review, we present a brief description of the design and function of the most widely used devices, describe the most common mechanisms of failure, and recommend strategies for management of access site complications including hemorrhage, arterial obstruction, and infection.
Objective: To review the current use of endovascular techniques in trauma. Summary Background Data: Multiple studies have demonstrated that, despite current guidelines, endovascular therapies are used in instances of arterial trauma. Methods: The existing literature concerning arterial trauma was reviewed. Studies reviewed included case reports, single-center case series, large database studies, official industry publications and instructions for use, and society guidelines. Results: Endovascular therapies are used in arterial trauma in all systems. The use of thoracic endografts in blunt thoracic aortic trauma is accepted and endorsed by society guidelines. The use of endovascular therapies in other anatomic locations is largely limited to single-center studies. Advantages potentially include less morbidity due to smaller incisions as well as shorter operating room times. Many report using endovascular therapies even with hard signs of injury. Long-term results are limited by a lack of long-term follow-up but, in general, suggest that these techniques produce acceptable outcomes. The adoption of these techniques may be limited by resource and surgeon availability. Conclusions: The use of endovascular therapies in trauma has gained acceptance despite not yet having a place in official guidelines.
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