Arteriovenous fistulas的用法和样例：
例句
- Arterial hemorrhage, pseudoaneurysms, and arterial-enous fistulas, howeer, require prompt interention with angiographic embolization.
但是，动脉出血，假性动脉瘤以及动静脉瘘需要血管造影栓塞进行急诊干预治疗。 - Although arterioenous fistulas are considered superior to grafts, it is unknown whether that is true in the subset of patients with a preious failed fistula.
虽然动静脉瘘是在移植血管前的优先选择，但是在瘘闭患者这一亚组中还不清楚动静脉瘘是否依然是正确的首选。
