Clinical Research Directory

Inclusion Criteria: * Patients with diagnosed AAA or other vascular condition attending the vascular scanning department for routine ultrasound and confirmed healthy DTA (Control group). * Patients with known DTAA (including Type B dissection) or patients who had TEVAR previously (Case group). * Patients who have had CT as part of their standard of care. * Patients able to tolerate the scan (Lying in supine position). * Adults aged 18 or over. * Willing to provide consent. Exclusion Criteria: * Patient under 18 years of age. * Previous thoracic surgery or body deformity (severe kyphosis, scoliosis, pleural effusion or chest wall trauma). * Patients without previous imaging of the thoracic aorta. * Life expectancy \<2 years. * Pregnant Women. * Patients unwilling to provide consent or unable to comply with study requirements. * Patients too frail to travel to routine outpatient appointments. * Inability to attend the appointment due to time constraints or other commitments. * Although rare, ultrasound contraindications as described in the scanning protocol are also exclusion criteria.