Lallemand R C, Brown K G, Boulter P S
Br Med J. 1972 Apr 29;2(5808):255-7. doi: 10.1136/bmj.2.5808.255.
The area ratio of the abdominal aortic bifurcation is defined as the ratio of the sum of the cross-sectional areas of the common iliac arteries to the cross-sectional area of the aorta. Abnormality of the area ratio is associated with initiation of atheroma of the lower aorta. Hypoplasia of the abdominal aorta predisposes to early occlusion as the atheromatous process advances.In five out of six women with thrombosis at the aortic bifurcation the area ratio was low. Hypoplasia of the abdominal aorta was present in two of these patients. All six patients were successfully treated by aortoiliac disobliteration and reconstruction.
腹主动脉分叉处的面积比定义为双侧髂总动脉横截面积之和与主动脉横截面积的比值。该面积比异常与腹主动脉下段动脉粥样硬化的发生有关。随着动脉粥样硬化进程的发展,腹主动脉发育不全易导致早期闭塞。在六例主动脉分叉处血栓形成的女性患者中,有五例的面积比偏低。其中两例患者存在腹主动脉发育不全。所有六例患者均通过主动脉髂动脉再通和重建术成功治愈。