During central venous placement, prevention of arterial puncture and cannulation is essential to minimize serious sequelae. If arterial trauma with a large-caliber catheter occurs, prompt surgical or endovascular treatment seems to be the safest approach. The pull/pressure technique is associated with a significant risk of hematoma, airway obstruction, stroke, and false aneurysm. Endovascular treatment appears to be safe for the management of arterial injuries that are difficult to expose surgically, such as those below or behind the clavicle. After arterial repair, prompt neurological evaluation should be performed, even if it requires postponing elective intervention. Imaging is suggested to exclude arterial complications, especially if arterial trauma site was not examined and repaired.
The recent development of aortic stent-grafts has brought the management of thoracic aortic diseases into the realm of interventional radiology. Stent-graft placement is now an alternative to surgery for the treatment of descending thoracic aortic aneurysms, ulcers, and fistulas and is sometimes indicated in cases of mycotic aneurysm, posttraumatic aortic rupture, or thoracic descending aortic dissection. Pretreatment imaging is crucial for evaluating patient eligibility, selecting the appropriate stent-graft, and planning the intervention. Stent-graft treatment of long atherosclerotic aneurysms, lesions close to aortic branch vessels, and aortic dissections is subject to technical pitfalls, and adverse events such as endoleaks, stent migration or misplacement, aortic perforation, and vascular trauma will require specific interventions, although they occur in only a minority of patients. Thoracic stent-graft placement in good surgical candidates remains controversial because long-term results are unknown. However, short-term morbidity and mortality rates from endovascular treatment compare favorably with those from surgery, and stent-graft placement is proving to be a safe, minimally invasive, and effective treatment for thoracic aortic diseases and is already the best option in many affected patients who are poor surgical candidates.
The majority of our cohort falls short of the recommended 2-week interval to perform CEA. Factors contributing to reduced CEA delay were presentation to an emergency department, in-patient investigations, and a stroke center where a vascular surgeon is available.
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