Risk of aneurysm rupture is >25% per year when the size is greater than: (A) 4 cm, (B) 6 cm, (C) 7 cm, (D) 8 cm
Answer is C. Ans. (c) 7cm(Ref: Guidelines for the treatment of abdominal aortic aneurysms. J Vase Surg. 2003,37(5):1106)The annual risk of rupture based upon aneurysm size is estimated as follows:Less than 4.0cm in diameter =-0%Between 4.0 to 5cm in diameter =1%Between 5.0 to 6cm in diameter =11%>6.0cm in diameter =25%