2nd May 2024

A 70-year-old man with a history of hypertension and smoking presents to his GP with intermittent back pain.

A 70-year-old man with a history of hypertension and smoking presents to his GP with intermittent back pain. He reports no trauma or recent heavy lifting. On examination, a pulsatile mass is palpable in the abdomen. An abdominal ultrasound confirms the presence of an infrarenal abdominal aortic aneurysm measuring 5.6 cm in diameter.

Which is the most appropriate management plan?