Thoracic aorta, pulmonary arteries and peripheral vascular disorders
Intima - prevents thrombosis - most chemically active layer Media - smooth muscle ~ vasoconstriction Adventitia - supportive layer - Arterial wall disease @ vasculitis - wall inflammation @ fibromuscular disease @ connective tissue disease @ trauma @ degeneration (atherosclerosis) - Radiological presentation 1 - weaken and dilated - producing an aneurysm - Can rupture - extravasation; pseudoaneurysm formation; AV fistulae 2 - Thickened by @ growth of vessel layers @ deposition of material - AS plaque - causes vessel to narrow and stenose ~ occlusion 3 - loose ability to prevent coagulation ~ results in thrombosis 4 - proliferation of vessels - results in AV malformation @ ?genetic factors @ ?Aquired factors ~ tumors Angiographic suite has: - patient monitoring devices - radiological equipment @ c-arm fluoroscopy ~ dynamic positioning ~ bolus chasing -