I71.5

Clinical Causes: Atherosclerosis (hardening of the arteries) Genetic factors, including connective tissue disorders like Marfan syndrome High blood pressure (hypertension) Infection of the aorta (mycotic aneurysm) Trauma or injury to the chest or abdomen Aging-related degeneration of the aortic wall Previous aortic surgery or vascular procedures

Key Symptoms: Sudden and severe chest or back pain, often described as tearing or ripping Pain radiating to the abdomen, neck, or back Lightheadedness or fainting Signs of shock, including low blood pressure and rapid heartbeat Sweating and pale skin Difficulty breathing or shortness of breath Nausea or vomiting

Diagnosis Path: Diagnosis of a ruptured thoracoabdominal aortic aneurysm involves a combination of clinical assessment and imaging tests. Medical professionals will typically perform: - Physical examinations to check for signs of shock or pain - Imaging studies such as computed tomography (CT) scans, magnetic resonance imaging (MRI), or ultrasound to visualize the aneurysm and assess rupture - Angiography, which involves injecting a dye into the blood vessels to pinpoint the location and extent of the leak Early detection through rapid imaging is vital to determine the most appropriate intervention.

Treatment Protocols: Immediate emergency treatment is essential for a ruptured thoracoabdominal aortic aneurysm. Typical management options include: - Emergency surgery, such as open surgical repair, to remove the damaged segment and replace it with a synthetic graft - Endovascular procedures, like thoracic endovascular aortic repair (TEVAR), which involves inserting a stent-graft through blood vessels to seal the rupture - Blood transfusions and supportive care to manage bleeding and stabilize blood pressure After initial stabilization, long-term management may involve controlling blood pressure, regular monitoring of the aorta, and addressing underlying risk factors to prevent future aneurysms.