Endovascular Grafting for Abdominal Aortic Aneurysm Repair Liane Santilli, CRNA, MHS Allegheny General Hospital What Is an Aneurysm? Weakening and (cid:132) dilatation of the vascular wall, primarily in the infrarenal area between the aortic bifurcation and the renal arteries Statistical Data 1.5 million people have abdominal (cid:132) aortic aneurysm in the United States 190,000 cases are diagnosed each (cid:132) year Annual mortality rate from rupture (cid:132) is 15,000 patients—13th leading cause of death in the United States Related Pathophysiology Hyperlipidemia/Atherosclerosis (cid:132) Hypertension (cid:132) Familial History (cid:132) Men>Women (cid:132) Age>60 (cid:132) Enzyme Abnormalities (cid:132) Connective Tissue Disorders (cid:132) Smokers (cid:132) High Risk Patients Severe Pulmonary Disease (cid:132) Severe Coronary Artery Disease (cid:132) Chronic Renal Insufficiency (cid:132) Cirrhosis (cid:132) Previous Abdominal Surgeries (cid:132) Obesity (cid:132) Metastatic Cancers (cid:132) Signs and Symptoms Pulsatile mass (cid:132) Back pain (cid:132) Abdominal aches and pains (cid:132) Sudden and severe pain is (cid:132) indicative of impending rupture Complications-Rupture Rupture of an aneurysm results in (cid:132) significant blood loss and death in 85% of patients Arrive at the hospital but rarely (cid:132) survive Occurs in 60% of patients with (cid:132) aneurysm > 6cm Diagnosis of Aneurysms Routine physical exam (cid:132) Abdominal ultrasound (cid:132) X-rays (cid:132) CT scan vs. MRI (cid:132) Angiography (cid:132) Pre-Operative Considerations Cardiovascular CAD present in 30-40% patients (cid:132) HTN-Tight BP control (cid:132) Baseline EKGs (cid:132) Stress Test with severe CAD (cid:132) Echo if possible (cid:132) Pre-operative Considerations Respiratory Smoking associated with COPD (cid:132) Chest X-ray (cid:132) Baseline PFTs (cid:132) Baseline ABGs (cid:132) Respiratory meds/inhalers (cid:132) Pre-operative breathing treatments (cid:132)
Description: