View clinical trials related to Aortic Dissection.
Filter by:Type A acute aortic dissections are a rare condition whose natural evolution is catastrophic. Global mortality remains high even if it decreased last years. This is probably due to improvement of diagnostic techniques and the evolution of surgical practices. It is however important to have medical data and statistics obtained in past years in order to better understand the factors influencing peroperative mortality and thereby to continue this improvement.
Background : Time between symptoms onset and treatment initiation is crucial in Acute aortic dissection (AAD). An anti-hypertensive treatment can be rapidly initiated before the arrival in Emergency Department (ED). A better understanding of the chain of care between symptoms onset and surgery could lead to a reduction of morbi-mortality. Our study have the objective to describe the chain of care of patients with AAD in the ED. Methods : This is an observational, retrospective, multicenter study. Patients were detected with a discharge of diagnostic of aortic dissection (ICD I71.0) in university medical center of Besançon. Data collection : patients records in the 8 hospitals centers of the area Franche-Comté.
DISSECT-N is a post-market registry designed to assess real-world safety and effectiveness of Valiant Navion Thoracic Stent Graft System in the treatment of thoracic aortic dissections in real world practice.
Acute aortic dissection is rare but potentially life-threatening disease with an incidence of 5-30 cases per million, annually. Therefore prompt diagnosis is crucial. D-dimer values have been shown to be useful in the diagnosis of acute aortic dissection. Fibrinogen levels have been shown to be low, normal or high in individuals with acute aortic dissection. This study aims to investigate whether D-dimer/fibrinogen ratio can be valuable for diagnosis of acute aortic dissection.
The primary objective of this study is to determine the effectiveness of home digital blood pressure monitoring in aiding providers to maintain blood pressure within a therapeutic range in type B aortic dissection patients upon discharge from the hospital.
Patients with bicuspid aortic valve-related aortopathy are at increased risk of aortic dilatation, dissection and rupture. Currently, risk stratification is largely based on aortic diameter measurements, with those deemed high risk referred for aortic replacement surgery. This approach is imperfect, and potentially exposes many patients to unnecessary high-risk aortic surgery, or fails to identify those at risk of dissection or rupture with smaller diameters. In patients with abdominal aortic aneurysms, the investigators recently demonstrated that uptake of 18F-sodium fluoride predicts disease progression and clinical events independent of aneurysm diameter and standard clinical risk factors. Based on the investigators preliminary data, a study was proposed to look at 18F-sodium fluoride uptake in patients with bicuspid aortic valve-related aortopathy. The proposed study will shed light on the underlying pathological processes involved in aortic complications of this disease as well as potentially providing an important risk marker to predict disease progression and guide the need for major aortic surgery.
The Freestyle® prosthesis (Medtronic plc, Dublin, Ireland) is a biological, porcine aortic root implanted in various combinations and techniques since the 1990s. The main indication for the choice of this prosthesis is a combined pathology with degenerated aortic valve and additional dilatation of the root often involving the ascending aorta. The Freestyle® prosthesis is also used in cases of dissection of the ascending aorta with the involvement of the aortic valve, which opens the debate on how far the ascending aorta should be replaced for a sustainable solution with calculable low periprocedural risk. Considering a lower intraoperative risk in the life-threatening situation, an extended resection of the aorta can be avoided and only the aortic root replaced with a piece of ascending aorta. On the contrary, focusing on improved long-term outcome, the technique of total arch replacement in aortic dissection was developed in emergency situations with acceptable results, which, however, were often reproducible only in large, experienced centers. Apart from the abovementioned options, the technique of proximal arch replacement can provide a tension-free anastomosis. The intention of hemiarch replacement is the attachment of the prosthesis to an aneurysm-free portion of the aortic arch helping to protect against further anastomotic aneurysms and spare the patient complex reoperation or interventional procedures in the future. As a possible drawback of the technique, especially in emergency situations, the potentially prolonged duration of surgery and the need of selective brain perfusion via axillary or carotid artery are discussed increasing the risk of stroke and further major events, which could not be reflected in current literature. However, there is still no convincing evidence of a long-term benefit in terms of re-operation and survival after hemiarch replacement. The aim of this retrospective analysis was to assess the mid-term outcome of the biological Freestyle® prosthesis in combination with operations on the ascending aorta and the aortic arch with regard to prosthetic performance, reoperations, stroke and death.
The Montalcino Aortic Consortium (MAC) will provide the infrastructure to assemble large cohorts of patients with mutations in known heritable thoracic aortic disease (H-TAD) genes, define the phenotype associated with these genes, and determine genetic and environmental modifiers of H-TAD.
The purpose of our study is to assess the effectiveness of Dermabond as a thoracic epidural fixation technique compared to both Mastisol and the Grip-Lok fixation bandage, two common, widely used techniques for epidural fixation.
The study is a single-centre, prospective, observational cross-sectional imaging study aimed to determine if macrophage-mediated inflammation can be visualised in the aorta of patients with aortic dissection (AD) using ultrasmall super paramagnetic iron oxides (USPIO)-enhanced magnetic resonance imaging (MRI).