Abdominal Aortic Aneurysm Flashcards
Abdominal Aortic Aneurysm: Define
Swelling/dilation of the aorta in the abdominal region
Sizes:
Abdominal Aorta
Abdominal Aortic Aneurysm
Normal AA = 2 cm
Path AA = > 3cm = (>50% normal diameter)
Types (shape) Abdominal Aortic Aneurysm
Fusiform = spindle shaped Saccular = pouch like
What is required if a patient has a rupture of an aortic aneurysm?
How can this be prevented?
Urgent Surgery
Screening
Most common site of Abdominal Aortic Aneurysm?
Who is most at risk of AAA?
Ifrarenal
Men, Elderly, Smokers, COPD, Genetically predisposed
True Aneurysm:
Abdominal dilatations that involve all layers of the arterial wall.
False Aneurysm:
Collection of blood in the outer layer only, which communicates with the lumen.
Abdominal Aortic Aneurysm: Symptoms:
Abdominal pain - sudden, intense, intermittent/continusous, radiates to back or legs, tearing sensation Sweatiness Clamminess Dizziness Nausea Vomiting Hypotension Collapse/Syncope
Abdominal Aortic Aneurysm: Sign
Expandable Abdominal Mass
Abdominal Aortic Aneurysm: Investigations:
CT Angiography MR Angiography Cardiopulmonary Exercise Test Abdominal Ultrasound Pulmonary Function Test Mucopolysaccharidosis - blood test ECG ECHO FBC
Abdominal Aortic Aneurysm: Treatment
Surgery - if > 5.5 cm
Open Remair - 6 week recovery
Stenting - EVAR - Endovascular Aneurysm Repair - 2 week recovery (reoccurrence rate)